patch 8.2.4040: keeping track of allocated lines is too complicated

Problem:    Keeping track of allocated lines in user functions is too
            complicated.
Solution:   Instead of freeing individual lines keep them all until the end.

.github/CODEOWNERS

@@ -89,6 +89,7 @@ runtime/ftplugin/gitsendemail.vim	@tpope
 runtime/ftplugin/gprof.vim		@dpelle
 runtime/ftplugin/haml.vim		@tpope
 runtime/ftplugin/hgcommit.vim		@k-takata
+runtime/ftplugin/i3config.vim		@hiqua
 runtime/ftplugin/indent.vim		@dkearns
 runtime/ftplugin/javascript.vim		@dkearns
 runtime/ftplugin/javascriptreact.vim	@dkearns
@@ -114,6 +115,7 @@ runtime/ftplugin/routeros.vim		@zainin
 runtime/ftplugin/ruby.vim		@tpope @dkearns
 runtime/ftplugin/sass.vim		@tpope
 runtime/ftplugin/scss.vim		@tpope
+runtime/ftplugin/solution.vim		@dkearns
 runtime/ftplugin/spec.vim		@ignatenkobrain
 runtime/ftplugin/systemverilog.vim	@Kocha
 runtime/ftplugin/tcsh.vim		@dkearns
@@ -208,6 +210,7 @@ runtime/syntax/groff.vim		@jmarshall
 runtime/syntax/haml.vim			@tpope
 runtime/syntax/haskell.vim		@coot
 runtime/syntax/hgcommit.vim		@k-takata
+runtime/syntax/i3config.vim		@hiqua
 runtime/syntax/indent.vim		@dkearns
 runtime/syntax/kconfig.vim		@chrisbra
 runtime/syntax/less.vim			@genoma

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -8,6 +8,11 @@ body:
     attributes:
       value: |
         Thanks for reporting issues of Vim!
+
+        If you want to report a security issue, instead of reporting it here
+        you can alternatively disclose it on
+        [huntr.dev](https://huntr.dev/bounties/disclose/?utm_campaign=vim%2Fvim&utm_medium=social&utm_source=github&target=https%3A%2F%2Fgithub.com%2Fvim%2Fvim).
+        They have rewards in the form of money, swag and CVEs.
         
         To make it easier for us to help you please enter detailed information below.
   - type: textarea

.github/workflows/ci.yml

@@ -5,6 +5,13 @@ on:
     branches: ['**']
   pull_request:
 
+# Cancels all previous workflow runs for pull requests that have not completed.
+concurrency:
+  # The concurrency group contains the workflow name and the branch name for
+  # pull requests or the commit hash for any other events.
+  group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+  cancel-in-progress: true
+
 jobs:
   linux:
     runs-on: ubuntu-18.04
@@ -234,7 +241,7 @@ jobs:
         if: contains(matrix.extra, 'asan') && !cancelled()
         run: |
           for f in $(grep -lR '#[[:digit:]]* *0x[[:digit:]a-fA-F]*' "${LOG_DIR}"); do
-            asan_symbolize-11 -l "$f"
+            asan_symbolize-13 -l "$f"
             false # in order to fail a job
           done
 

.github/workflows/codeql-analysis.yml

@@ -14,6 +14,13 @@ on:
   schedule:
     - cron: '0 18 * * 1'
 
+# Cancels all previous workflow runs for pull requests that have not completed.
+concurrency:
+  # The concurrency group contains the workflow name and the branch name for
+  # pull requests or the commit hash for any other events.
+  group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+  cancel-in-progress: true
+
 jobs:
   analyze:
     name: Analyze

Filelist

@@ -8,6 +8,7 @@ SRC_ALL =	\
 		.gitattributes \
 		.github/CODEOWNERS \
 		.github/ISSUE_TEMPLATE/bug_report.yml \
+		.github/ISSUE_TEMPLATE/feature_request.md \
 		.github/workflows/ci.yml \
 		.github/workflows/codeql-analysis.yml \
 		.github/workflows/coverity.yml \
@@ -159,8 +160,11 @@ SRC_ALL =	\
 		src/version.h \
 		src/vim.h \
 		src/vim9.h \
+		src/vim9cmds.c \
 		src/vim9compile.c \
 		src/vim9execute.c \
+		src/vim9expr.c \
+		src/vim9instr.c \
 		src/vim9script.c \
 		src/vim9type.c \
 		src/viminfo.c \
@@ -318,8 +322,11 @@ SRC_ALL =	\
 		src/proto/usercmd.pro \
 		src/proto/userfunc.pro \
 		src/proto/version.pro \
+		src/proto/vim9cmds.pro \
 		src/proto/vim9compile.pro \
 		src/proto/vim9execute.pro \
+		src/proto/vim9expr.pro \
+		src/proto/vim9instr.pro \
 		src/proto/vim9script.pro \
 		src/proto/vim9type.pro \
 		src/proto/viminfo.pro \

README.md

@@ -1,6 +1,6 @@
 [![Vim Logo](https://github.com/vim/vim/raw/master/runtime/vimlogo.gif)](https://www.vim.org)
 
-[![Github Build status](https://github.com/vim/vim/workflows/GitHub%20CI/badge.svg)](https://github.com/vim/vim/actions?query=workflow%3A%22GitHub+CI%22) [![Travis Build Status](https://travis-ci.com/vim/vim.svg?branch=master)](https://travis-ci.com/github/vim/vim) [![Appveyor Build status](https://ci.appveyor.com/api/projects/status/o2qht2kjm02sgghk?svg=true)](https://ci.appveyor.com/project/chrisbra/vim) [![Cirrus Build Status](https://api.cirrus-ci.com/github/vim/vim.svg)](https://cirrus-ci.com/github/vim/vim) [![Coverage Status](https://codecov.io/gh/vim/vim/coverage.svg?branch=master)](https://codecov.io/gh/vim/vim?branch=master) [![Coverity Scan](https://scan.coverity.com/projects/241/badge.svg)](https://scan.coverity.com/projects/vim) [![Language Grade: C/C++](https://img.shields.io/lgtm/grade/cpp/g/vim/vim.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/vim/vim/context:cpp) [![Debian CI](https://badges.debian.net/badges/debian/testing/vim/version.svg)](https://buildd.debian.org/vim) [![Packages](https://repology.org/badge/tiny-repos/vim.svg)](https://repology.org/metapackage/vim) [![Fossies codespell report](https://fossies.org/linux/test/vim-master.tar.gz/codespell.svg)](https://fossies.org/linux/test/vim-master.tar.gz/codespell.html) [![huntr](https://cdn.huntr.dev/huntr_security_badge_mono.svg)](https://huntr.dev/bounties/disclose/?utm_campaign=vim%2Fvim&utm_medium=social&utm_source=github&target=https%3A%2F%2Fgithub.com%2Fvim%2Fvim)
+[![Github Build status](https://github.com/vim/vim/workflows/GitHub%20CI/badge.svg)](https://github.com/vim/vim/actions?query=workflow%3A%22GitHub+CI%22) [![Travis Build Status](https://travis-ci.com/vim/vim.svg?branch=master)](https://travis-ci.com/github/vim/vim) [![Appveyor Build status](https://ci.appveyor.com/api/projects/status/o2qht2kjm02sgghk?svg=true)](https://ci.appveyor.com/project/chrisbra/vim) [![Cirrus Build Status](https://api.cirrus-ci.com/github/vim/vim.svg)](https://cirrus-ci.com/github/vim/vim) [![Coverage Status](https://codecov.io/gh/vim/vim/coverage.svg?branch=master)](https://codecov.io/gh/vim/vim?branch=master) [![Coverity Scan](https://scan.coverity.com/projects/241/badge.svg)](https://scan.coverity.com/projects/vim) [![Language Grade: C/C++](https://img.shields.io/lgtm/grade/cpp/g/vim/vim.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/vim/vim/context:cpp) [![Debian CI](https://badges.debian.net/badges/debian/testing/vim/version.svg)](https://buildd.debian.org/vim) [![Packages](https://repology.org/badge/tiny-repos/vim.svg)](https://repology.org/metapackage/vim) [![Fossies codespell report](https://fossies.org/linux/test/vim-master.tar.gz/codespell.svg)](https://fossies.org/linux/test/vim-master.tar.gz/codespell.html)
 
 <sub>For translations of this README see the end.</sub>
 

ci/config.mk.clang-12.sed

@@ -1,3 +1,3 @@
 # Clang 12 (or Apple clang 13) and later makes a warning '-Wcompound-token-split-by-macro' enable by default.
-/^PERL_CFLAGS[[:blank:]]*=/s/$/ -Wno-error=compound-token-split-by-macro/
-/^RUBY_CFLAGS[[:blank:]]*=/s/$/ -Wno-error=compound-token-split-by-macro/
+/^PERL_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=compound-token-split-by-macro/
+/^RUBY_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=compound-token-split-by-macro/

ci/config.mk.clang.sed

@@ -1,2 +1,2 @@
 /^CFLAGS[[:blank:]]*=/s/$/ -Wno-error=missing-field-initializers/
-/^RUBY_CFLAGS[[:blank:]]*=/s/$/ -Wno-error=unknown-attributes -Wno-error=ignored-attributes/
+/^RUBY_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=unknown-attributes -Wno-error=ignored-attributes/

ci/config.mk.sed

@@ -1,2 +1,3 @@
 /^CFLAGS[[:blank:]]*=/s/$/ -Wall -Wextra -Wshadow -Werror/
-/^PERL_CFLAGS[[:blank:]]*=/s/$/ -Wno-error=unused-function/
+/^PERL_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=unused-function/
+/^RUBY_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=unused-parameter/

runtime/autoload/dist/ft.vim

@@ -1,7 +1,7 @@
 " Vim functions for file type detection
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2021 Nov 27
+" Last Change:	2021 Dec 17
 
 " These functions are moved here from runtime/filetype.vim to make startup
 " faster.
@@ -811,6 +811,23 @@ func dist#ft#Redif()
   endwhile
 endfunc
 
+" This function is called for all files under */debian/patches/*, make sure not
+" to non-dep3patch files, such as README and other text files.
+func dist#ft#Dep3patch()
+  if expand('%:t') ==# 'series'
+    return
+  endif
+
+  for ln in getline(1, 100)
+    if ln =~# '^\%(Description\|Subject\|Origin\|Bug\|Forwarded\|Author\|From\|Reviewed-by\|Acked-by\|Last-Updated\|Applied-Upstream\):'
+      setf dep3patch
+      return
+    elseif ln =~# '^---'
+      " end of headers found. stop processing
+      return
+    endif
+  endfor
+endfunc
 
 " Restore 'cpoptions'
 let &cpo = s:cpo_save

runtime/doc/Makefile

@@ -16,6 +16,7 @@ include ../../src/auto/config.mk
 DOCS = \
 	arabic.txt \
 	autocmd.txt \
+	builtin.txt \
 	change.txt \
 	channel.txt \
 	cmdline.txt \
@@ -161,6 +162,7 @@ DOCS = \
 HTMLS = \
 	arabic.html \
 	autocmd.html \
+	builtin.html \
 	change.html \
 	channel.html \
 	cmdline.html \

runtime/doc/autocmd.txt

@@ -1279,8 +1279,8 @@ VimResume			When the Vim instance is resumed after being
 	:autocmd VimResume * checktime
 <							*VimSuspend*
 VimSuspend			When the Vim instance is suspended.  Only when
-				CTRL-Z was typed inside Vim, not when the
-				SIGSTOP or SIGTSTP signal was sent to Vim.
+				CTRL-Z was typed inside Vim, or when the SIGTSTP
+				signal was sent to Vim, but not for SIGSTOP.
 							*WinClosed*
 WinClosed			After closing a window.  The pattern is
 				matched against the |window-ID|.  Both

runtime/doc/change.txt

@@ -1,4 +1,4 @@
-*change.txt*    For Vim version 8.2.  Last change: 2021 Jun 23
+*change.txt*    For Vim version 8.2.  Last change: 2021 Dec 29
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -259,6 +259,9 @@ Or use "caw" (see |aw|).
 			line.
 			Adding [!] toggles 'autoindent' for the time this
 			command is executed.
+			This command is not supported in |Vim9| script,
+			because it is too easily confused with a variable
+			name.
 
 ==============================================================================
 3. Simple changes					*simple-change*
@@ -1374,6 +1377,9 @@ The next three commands always work on whole lines.
 
 							*:t*
 :t			Synonym for copy.
+			This command is not supported in |Vim9| script,
+			because it is too easily confused with a variable
+			name.
 
 :[range]m[ove] {address}			*:m* *:mo* *:move* *E134*
 			Move the lines given by [range] to below the line
@@ -1671,7 +1677,8 @@ r	Automatically insert the current comment leader after hitting
 	<Enter> in Insert mode.
 							*fo-o*
 o	Automatically insert the current comment leader after hitting 'o' or
-	'O' in Normal mode.
+	'O' in Normal mode.  In case comment is unwanted in a specific place
+	use CTRL-U to quickly delete it. |i_CTRL-U|
 							*fo-q*
 q	Allow formatting of comments with "gq".
 	Note that formatting will not change blank lines or lines containing

runtime/doc/cmdline.txt

@@ -1,4 +1,4 @@
-*cmdline.txt*   For Vim version 8.2.  Last change: 2021 Dec 04
+*cmdline.txt*   For Vim version 8.2.  Last change: 2021 Dec 26
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -705,6 +705,15 @@ Some Ex commands accept a line range in front of them.  This is noted as
 
 The basics are explained in section |10.3| of the user manual.
 
+In |Vim9| script a range needs to be prefixed with a colon to avoid ambiguity
+with continuation lines.  For example, "+" can be used for a range but is also
+a continuation of an expression: >
+	var result = start
+	+ print
+If the "+" is a range then it must be prefixed with a colon: >
+	var result = start
+	:+ print
+<
 						*:,* *:;*
 When separated with ';' the cursor position will be set to that line
 before interpreting the next line specifier.  This doesn't happen for ','.

runtime/doc/diff.txt

@@ -398,6 +398,11 @@ mode, so that a CTRL-Z doesn't end the text on DOS.
 The `redraw!` command may not be needed, depending on whether executing a
 shell command shows something on the display or not.
 
+If the 'diffexpr' expression starts with s: or |<SID>|, then it is replaced
+with the script ID (|local-function|). Example: >
+		set diffexpr=s:MyDiffExpr()
+		set diffexpr=<SID>SomeDiffExpr()
+<
 						*E810* *E97*
 Vim will do a test if the diff output looks alright.  If it doesn't, you will
 get an error message.  Possible causes:
@@ -449,4 +454,9 @@ evaluating 'patchexpr'.  This hopefully avoids that files in the current
 directory are accidentally patched.  Vim will also delete files starting with
 v:fname_in and ending in ".rej" and ".orig".
 
+If the 'patchexpr' expression starts with s: or |<SID>|, then it is replaced
+with the script ID (|local-function|). Example: >
+		set patchexpr=s:MyPatchExpr()
+		set patchexpr=<SID>SomePatchExpr()
+<
  vim:tw=78:ts=8:noet:ft=help:norl:

runtime/doc/editing.txt

@@ -1,4 +1,4 @@
-*editing.txt*   For Vim version 8.2.  Last change: 2021 Oct 16
+*editing.txt*   For Vim version 8.2.  Last change: 2021 Dec 27
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -650,12 +650,19 @@ list of the current window.
 			And after the last one:
 				:+2argadd y	a b c x y
 			There is no check for duplicates, it is possible to
-			add a file to the argument list twice.
-			The currently edited file is not changed.
+			add a file to the argument list twice.  You can use
+			|:argdedupe| to fix it afterwards: >
+				:argadd *.txt | argdedupe
+<			The currently edited file is not changed.
 			Note: you can also use this method: >
 				:args ## x
 <			This will add the "x" item and sort the new list.
 
+:argded[upe]					*:argded* *:argdedupe*
+			Remove duplicate filenames from the argument list.
+			If your current file is a duplicate, your current file
+			will change to the original file index.
+
 :argd[elete] {pattern} ..		*:argd* *:argdelete* *E480* *E610*
 			Delete files from the argument list that match the
 			{pattern}s.  {pattern} is used like a file pattern,
@@ -1140,6 +1147,9 @@ The names can be in upper- or lowercase.
 			made.
 			When 'hidden' is set and there are more windows, the
 			current buffer becomes hidden, after writing the file.
+			This command is not supported in |Vim9| script,
+			because it is too easily confused with a variable
+			name.
 
 							*:exi* *:exit*
 :[range]exi[t][!] [++opt] [file]

runtime/doc/filetype.txt

@@ -1,4 +1,4 @@
-*filetype.txt*  For Vim version 8.2.  Last change: 2021 Sep 22
+*filetype.txt*  For Vim version 8.2.  Last change: 2021 Dec 30
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -358,12 +358,12 @@ define yourself.  There are a few ways to avoid this:
    You need to define your own mapping before the plugin is loaded (before
    editing a file of that type).  The plugin will then skip installing the
    default mapping.
-						*no_mail_maps*
+					*no_mail_maps* *g:no_mail_maps*
 3. Disable defining mappings for a specific filetype by setting a variable,
    which contains the name of the filetype.  For the "mail" filetype this
    would be: >
 	:let no_mail_maps = 1
-<						*no_plugin_maps*
+<					*no_plugin_maps* *g:no_plugin_maps*
 4. Disable defining mappings for all filetypes by setting a variable: >
 	:let no_plugin_maps = 1
 <

runtime/doc/fold.txt

@@ -121,6 +121,11 @@ method can be very slow!
 Try to avoid the "=", "a" and "s" return values, since Vim often has to search
 backwards for a line for which the fold level is defined.  This can be slow.
 
+If the 'foldexpr' expression starts with s: or |<SID>|, then it is replaced
+with the script ID (|local-function|). Examples: >
+		set foldexpr=s:MyFoldExpr()
+		set foldexpr=<SID>SomeFoldExpr()
+<
 An example of using "a1" and "s1": For a multi-line C comment, a line
 containing "/*" would return "a1" to start a fold, and a line containing "*/"
 would return "s1" to end the fold after that line: >
@@ -524,6 +529,11 @@ The resulting line is truncated to fit in the window, it never wraps.
 When there is room after the text, it is filled with the character specified
 by 'fillchars'.
 
+If the 'foldtext' expression starts with s: or |<SID>|, then it is replaced
+with the script ID (|local-function|). Examples: >
+		set foldtext=s:MyFoldText()
+		set foldtext=<SID>SomeFoldText()
+<
 Note that backslashes need to be used for characters that the ":set" command
 handles differently: Space, backslash and double-quote. |option-backslash|
 

runtime/doc/help.txt

@@ -1,4 +1,4 @@
-*help.txt*	For Vim version 8.2.  Last change: 2020 Aug 15
+*help.txt*	For Vim version 8.2.  Last change: 2021 Dec 27
 
 			VIM - main help file
 									 k
@@ -136,6 +136,7 @@ Advanced editing ~
 |diff.txt|	working with two to eight versions of the same file
 |autocmd.txt|	automatically executing commands on an event
 |eval.txt|	expression evaluation, conditional commands
+|builtin.txt|	builtin functions
 |channel.txt|	Jobs, Channels, inter-process communication
 |fold.txt|	hide (fold) ranges of lines
 

runtime/doc/helphelp.txt

@@ -1,4 +1,4 @@
-*helphelp.txt*	For Vim version 8.2.  Last change: 2021 Nov 18
+*helphelp.txt*	For Vim version 8.2.  Last change: 2021 Dec 13
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -163,7 +163,7 @@ If you would like to open the help in the current window, see this tip:
 
 The initial height of the help window can be set with the 'helpheight' option
 (default 20).
-
+						*help-buffer-options*
 When the help buffer is created, several local options are set to make sure
 the help text is displayed as it was intended:
     'iskeyword'		nearly all ASCII chars except ' ', '*', '"' and '|'

runtime/doc/index.txt

@@ -1166,6 +1166,7 @@ tag		command		action ~
 				be remapped
 |:args|		:ar[gs]		print the argument list
 |:argadd|	:arga[dd]	add items to the argument list
+:argdedupe	:argdedupe	remove duplicates from the argument list
 |:argdelete|	:argd[elete]	delete items from the argument list
 |:argedit|	:arge[dit]	add item to the argument list and edit it
 |:argdo|	:argdo		do a command on all items in the argument list

runtime/doc/insert.txt

@@ -1,4 +1,4 @@
-*insert.txt*    For Vim version 8.2.  Last change: 2021 Oct 24
+*insert.txt*    For Vim version 8.2.  Last change: 2021 Dec 29
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -84,6 +84,8 @@ CTRL-U		Delete all entered characters before the cursor in the current
 		line.  If there are no newly entered characters and
 		'backspace' is not empty, delete all characters before the
 		cursor in the current line.
+		If C-indenting is enabled the indent will be adjusted if the
+		line becomes blank.
 		See |i_backspacing| about joining lines.
 						*i_CTRL-I* *i_<Tab>* *i_Tab*
 <Tab> or CTRL-I Insert a tab.  If the 'expandtab' option is on, the
@@ -1945,6 +1947,9 @@ When 'autoindent' is on, the indent for a new line is obtained from the
 previous line.  When 'smartindent' or 'cindent' is on, the indent for a line
 is automatically adjusted for C programs.
 
+'formatoptions' can be set to copy the comment leader when opening a new
+line.
+
 'textwidth' can be set to the maximum width for a line.  When a line becomes
 too long when appending characters a line break is automatically inserted.
 
@@ -1958,6 +1963,9 @@ too long when appending characters a line break is automatically inserted.
 			inserted after the current line.
 			Adding [!] toggles 'autoindent' for the time this
 			command is executed.
+			This command is not supported in |Vim9| script,
+			because it is too easily confused with a variable
+			name.
 
 							*:i* *:in* *:insert*
 :{range}i[nsert][!]	Insert several lines of text above the specified
@@ -1965,6 +1973,9 @@ too long when appending characters a line break is automatically inserted.
 			inserted before the current line.
 			Adding [!] toggles 'autoindent' for the time this
 			command is executed.
+			This command is not supported in |Vim9| script,
+			because it is too easily confused with a variable
+			name.
 
 These two commands will keep on asking for lines, until you type a line
 containing only a ".".  Watch out for lines starting with a backslash, see

runtime/doc/map.txt

@@ -1,4 +1,4 @@
-*map.txt*       For Vim version 8.2.  Last change: 2021 Nov 20
+*map.txt*       For Vim version 8.2.  Last change: 2021 Dec 24
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -173,7 +173,7 @@ type "a", then "bar" will get inserted.
 "<unique>" can be used in any order.  They must appear right after the
 command, before any other arguments.
 
-				*:map-local* *:map-<buffer>* *E224* *E225*
+			*:map-local* *:map-<buffer>* *:map-buffer* *E224* *E225*
 If the first argument to one of these commands is "<buffer>" the mapping will
 be effective in the current buffer only.  Example: >
 	:map <buffer>  ,w  /[.,;]<CR>
@@ -232,7 +232,7 @@ Note: ":map <script>" and ":noremap <script>" do the same thing.  The
 "<script>" overrules the command name.  Using ":noremap <script>" is
 preferred, because it's clearer that remapping is (mostly) disabled.
 
-						*:map-<unique>* *E226* *E227*
+				*:map-<unique>* *:map-unique* *E226* *E227*
 If the first argument to one of these commands is "<unique>" and it is used to
 define a new mapping or abbreviation, the command will fail if the mapping or
 abbreviation already exists.  Example: >
@@ -356,7 +356,7 @@ Note:
 - In Select mode, |:map| and |:vmap| command mappings are executed in
   Visual mode.  Use |:smap| to handle Select mode differently.
 
-							*E1135* *E1136*
+							*E1255* *E1136*
 <Cmd> commands must terminate, that is, they must be followed by <CR> in the
 {rhs} of the mapping definition.  |Command-line| mode is never entered.
 
@@ -962,8 +962,7 @@ g@{motion}		Call the function set by the 'operatorfunc' option.
 			    "line"	{motion} was |linewise|
 			    "char"	{motion} was |characterwise|
 			    "block"	{motion} was |blockwise-visual|
-			Although "block" would rarely appear, since it can
-			only result from Visual mode where "g@" is not useful.
+			The type can be forced, see |forced-motion|.
 			{not available when compiled without the |+eval|
 			feature}
 
@@ -974,28 +973,56 @@ Here is an example that counts the number of spaces with <F4>: >
 	" doubling <F4> works on a line
 	nnoremap <expr> <F4><F4> CountSpaces() .. '_'
 
-	function CountSpaces(type = '') abort
+	function CountSpaces(context = {}, type = '') abort
 	  if a:type == ''
-	    set opfunc=CountSpaces
+	    let context = #{
+	      \ dot_command: v:false,
+	      \ extend_block: '',
+	      \ virtualedit: [&l:virtualedit, &g:virtualedit],
+	      \ }
+	    let &operatorfunc = function('CountSpaces', [context])
+	    set virtualedit=block
 	    return 'g@'
- 	  endif
+	  endif
 
-	  let sel_save = &selection
-	  let reg_save = getreginfo('"')
-	  let cb_save = &clipboard
-	  let visual_marks_save = [getpos("'<"), getpos("'>")]
+	  let save = #{
+	    \ clipboard: &clipboard,
+	    \ selection: &selection,
+	    \ virtualedit: [&l:virtualedit, &g:virtualedit],
+	    \ register: getreginfo('"'),
+	    \ visual_marks: [getpos("'<"), getpos("'>")],
+	    \ }
 
 	  try
-	    set clipboard= selection=inclusive
-	    let commands = #{line: "'[V']y", char: "`[v`]y", block: "`[\<c-v>`]y"}
-	    silent exe 'noautocmd keepjumps normal! ' .. get(commands, a:type, '')
-	    echom getreg('"')->count(' ')
+	    set clipboard= selection=inclusive virtualedit=
+	    let commands = #{
+	      \ line: "'[V']",
+	      \ char: "`[v`]",
+	      \ block: "`[\<C-V>`]",
+	      \ }[a:type]
+	    let [_, _, col, off] = getpos("']")
+	    if off != 0
+	      let vcol = getline("'[")->strpart(0, col + off)->strdisplaywidth()
+	      if vcol >= [line("'["), '$']->virtcol() - 1
+	        let a:context.extend_block = '$'
+	      else
+	        let a:context.extend_block = vcol .. '|'
+	      endif
+	    endif
+	    if a:context.extend_block != ''
+	      let commands ..= 'oO' .. a:context.extend_block
+	    endif
+	    let commands ..= 'y'
+	    execute 'silent noautocmd keepjumps normal! ' .. commands
+	    echomsg getreg('"')->count(' ')
 	  finally
-	    call setreg('"', reg_save)
-	    call setpos("'<", visual_marks_save[0])
-	    call setpos("'>", visual_marks_save[1])
-	    let &clipboard = cb_save
-	    let &selection = sel_save
+	    call setreg('"', save.register)
+	    call setpos("'<", save.visual_marks[0])
+	    call setpos("'>", save.visual_marks[1])
+	    let &clipboard = save.clipboard
+	    let &selection = save.selection
+	    let [&l:virtualedit, &g:virtualedit] = get(a:context.dot_command ? save : a:context, 'virtualedit')
+	    let a:context.dot_command = v:true
 	  endtry
 	endfunction
 

runtime/doc/message.txt

@@ -1,4 +1,4 @@
-*message.txt*   For Vim version 8.2.  Last change: 2021 Jul 31
+*message.txt*   For Vim version 8.2.  Last change: 2021 Dec 13
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -29,8 +29,7 @@ depends on the 'shortmess' option.
 				Clear messages, keeping only the {count} most
 				recent ones.
 
-The number of remembered messages is fixed at 20 for the tiny version and 200
-for other versions.
+The number of remembered messages is fixed at 200.
 
 								*g<*
 The "g<" command can be used to see the last page of previous command output.

runtime/doc/motion.txt

@@ -1,4 +1,4 @@
-*motion.txt*    For Vim version 8.2.  Last change: 2021 Dec 04
+*motion.txt*    For Vim version 8.2.  Last change: 2021 Dec 27
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -788,6 +788,9 @@ m<  or  m>		Set the |'<| or |'>| mark.  Useful to change what the
 						*:k*
 :[range]k{a-zA-Z'}	Same as :mark, but the space before the mark name can
 			be omitted.
+			This command is not supported in |Vim9| script,
+			because it is too easily confused with a variable
+			name.
 
 						*'* *'a* *`* *`a*
 '{a-z}  `{a-z}		Jump to the mark {a-z} in the current buffer.

runtime/doc/options.txt

@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 8.2.  Last change: 2021 Dec 11
+*options.txt*	For Vim version 8.2.  Last change: 2021 Dec 26
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -385,7 +385,7 @@ lambda it will be converted to the name, e.g. "<lambda>123".  Examples:
 	set opfunc={a\ ->\ MyOpFunc(a)}
 	" set using a funcref variable
 	let Fn = function('MyTagFunc')
-	let &tagfunc = string(Fn)
+	let &tagfunc = Fn
 	" set using a lambda expression
 	let &tagfunc = {t -> MyTagFunc(t)}
 	" set using a variable with lambda expression
@@ -1225,6 +1225,11 @@ A jump table for the options with a short description can be found at |Q_op|.
 	Vim does not try to send a message to an external debugger (Netbeans
 	or Sun Workshop).
 
+	If the expression starts with s: or |<SID>|, then it is replaced with
+	the script ID (|local-function|). Example: >
+		set bexpr=s:MyBalloonExpr()
+		set bexpr=<SID>SomeBalloonExpr()
+<
 	The expression will be evaluated in the |sandbox| when set from a
 	modeline, see |sandbox-option|.
 	This option cannot be set in a modeline when 'modelineexpr' is off.
@@ -2128,8 +2133,18 @@ A jump table for the options with a short description can be found at |Q_op|.
 	Commas can be added for readability.
 	To avoid problems with flags that are added in the future, use the
 	"+=" and "-=" feature of ":set" |add-option-flags|.
+
 	NOTE: This option is set to the Vi default value when 'compatible' is
 	set and to the Vim default value when 'compatible' is reset.
+
+	NOTE: In a |Vim9| script, when `vim9script` is encountered, the value
+	is saved, 'cpoptions' is set to the Vim default, and the saved value
+	is restored at the end of the script.  Changes to the value of
+	'cpoptions' will be applied to the saved value, but keep in mind that
+	removing a flag that is not present when 'cpoptions' is changed has no
+	effect.  In the |.vimrc| file the value is not restored, thus using
+	`vim9script` in the |.vimrc| file results in using the Vim default.
+
 	NOTE: This option is set to the POSIX default value at startup when
 	the Vi default value would be used and the $VIM_POSIX environment
 	variable exists |posix|.  This means Vim tries to behave like the
@@ -3596,6 +3611,11 @@ A jump table for the options with a short description can be found at |Q_op|.
 	When the expression evaluates to non-zero Vim will fall back to using
 	the internal format mechanism.
 
+	If the expression starts with s: or |<SID>|, then it is replaced with
+	the script ID (|local-function|). Example: >
+		set formatexpr=s:MyFormatExpr()
+		set formatexpr=<SID>SomeFormatExpr()
+<
 	The expression will be evaluated in the |sandbox| when set from a
 	modeline, see |sandbox-option|.  That stops the option from working,
 	since changing the buffer text is not allowed.
@@ -4438,6 +4458,11 @@ A jump table for the options with a short description can be found at |Q_op|.
 	found.  Allows doing "gf" on the name after an 'include' statement.
 	Also used for |<cfile>|.
 
+	If the expression starts with s: or |<SID>|, then it is replaced with
+	the script ID (|local-function|). Example: >
+		set includeexpr=s:MyIncludeExpr(v:fname)
+		set includeexpr=<SID>SomeIncludeExpr(v:fname)
+<
 	The expression will be evaluated in the |sandbox| when set from a
 	modeline, see |sandbox-option|.
 	This option cannot be set in a modeline when 'modelineexpr' is off.
@@ -4511,6 +4536,11 @@ A jump table for the options with a short description can be found at |Q_op|.
 	The expression is evaluated with |v:lnum| set to the line number for
 	which the indent is to be computed.  The cursor is also in this line
 	when the expression is evaluated (but it may be moved around).
+	If the expression starts with s: or |<SID>|, then it is replaced with
+	the script ID (|local-function|). Example: >
+		set indentexpr=s:MyIndentExpr()
+		set indentexpr=<SID>SomeIndentExpr()
+<
 	The expression must return the number of spaces worth of indent.  It
 	can return "-1" to keep the current indent (this means 'autoindent' is
 	used for the indent).
@@ -5601,8 +5631,8 @@ A jump table for the options with a short description can be found at |Q_op|.
 	number.
 	When a long, wrapped line doesn't start with the first character, '-'
 	characters are put before the number.
-	See |hl-LineNr|  and |hl-CursorLineNr| for the highlighting used for
-	the number.
+	For highlighting see |hl-LineNr|, and |hl-CursorLineNr|, and the
+	|:sign-define| "numhl" argument.
 						*number_relativenumber*
 	The 'relativenumber' option changes the displayed number to be
 	relative to the cursor.  Together with 'number' there are these
@@ -9206,4 +9236,16 @@ A jump table for the options with a short description can be found at |Q_op|.
 	screen.  When non-zero, characters are sent to the terminal one by
 	one.  For debugging purposes.
 
+					   *'xtermcodes'* *'noxtermcodes'*
+'xtermcodes'		boolean	(default on)
+			global
+	When detecting xterm patchlevel 141 or higher with the termresponse
+	mechanism and this option is set, Vim will request the actual terminal
+	key codes and number of colors from the terminal.  This takes care of
+	various configuration options of the terminal that cannot be obtained
+	from the termlib/terminfo entry, see |xterm-codes|.
+	A side effect may be that t_Co changes and Vim will redraw the
+	display.
+
+
  vim:tw=78:ts=8:noet:ft=help:norl:

runtime/doc/print.txt

@@ -174,6 +174,11 @@ an error message.  In that case Vim will delete the file.  In the default
 value for non-MS-Windows a trick is used: Adding "v:shell_error" will result
 in a non-zero number when the system() call fails.
 
+If the expression starts with s: or |<SID>|, then it is replaced with the
+script ID (|local-function|). Example: >
+		set printexpr=s:MyPrintFile()
+		set printexpr=<SID>SomePrintFile()
+<
 This option cannot be set from a |modeline| or in the |sandbox|, for security
 reasons.
 

runtime/doc/quickref.txt

@@ -1,4 +1,4 @@
-*quickref.txt*  For Vim version 8.2.  Last change: 2021 Oct 17
+*quickref.txt*  For Vim version 8.2.  Last change: 2021 Dec 21
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1010,6 +1010,7 @@ Short explanation of each option:		*option-list*
 'writeany'	  'wa'	    write to file with no need for "!" override
 'writebackup'	  'wb'	    make a backup before overwriting a file
 'writedelay'	  'wd'	    delay this many msec for each char (for debug)
+'xtermcodes'		    request terminal codes from an xterm
 ------------------------------------------------------------------------------
 *Q_ur*		Undo/Redo commands
 

runtime/doc/remote.txt

@@ -1,4 +1,4 @@
-*remote.txt*    For Vim version 8.2.  Last change: 2019 May 05
+*remote.txt*    For Vim version 8.2.  Last change: 2021 Dec 27
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -143,7 +143,7 @@ You can not put options there!
 FUNCTIONS
 								*E240* *E573*
 There are a number of Vim functions for scripting the command server.  See
-the description in |eval.txt| or use CTRL-] on the function name to jump to
+the description in |builtin.txt| or use CTRL-] on the function name to jump to
 the full explanation.
 
     synopsis				     explanation ~

runtime/doc/repeat.txt

@@ -1,4 +1,4 @@
-*repeat.txt*    For Vim version 8.2.  Last change: 2021 Nov 24
+*repeat.txt*    For Vim version 8.2.  Last change: 2021 Dec 27
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -495,6 +495,9 @@ space at the end of a line is hard to see and may be accidentally deleted. >
 		\ "very long regexp"
 		\ keepend
 
+In |Vim9| script the backslash can often be omitted, but not always.
+See |vim9-line-continuation|.
+
 There is a problem with the ":append" and ":insert" commands: >
    :1append
    \asdf

runtime/doc/sign.txt

@@ -140,6 +140,11 @@ See |sign_define()| for the equivalent Vim script function.
 		Highlighting group used for the whole line the sign is placed
 		in.  Most useful is defining a background color.
 
+	numhl={group}
+		Highlighting group used for the line number on the line where
+		the sign is placed.  Overrides |hl-LineNr|, |hl-LineNrAbove|,
+		|hl-LineNrBelow|, and |hl-CursorLineNr|.
+
 	text={text}						*E239*
 		Define the text that is displayed when there is no icon or the
 		GUI is not being used.  Only printable characters are allowed
@@ -396,6 +401,8 @@ sign_define({list})
 		   icon		full path to the bitmap file for the sign.
 		   linehl	highlight group used for the whole line the
 				sign is placed in.
+		   numhl	highlight group used for the line number where
+				the sign is placed.
 		   text		text that is displayed when there is no icon
 				or the GUI is not being used.
 		   texthl	highlight group used for the text item
@@ -443,6 +450,8 @@ sign_getdefined([{name}])				*sign_getdefined()*
 		   linehl	highlight group used for the whole line the
 				sign is placed in; not present if not set
 		   name		name of the sign
+		   numhl	highlight group used for the line number where
+				the sign is placed; not present if not set
 		   text		text that is displayed when there is no icon
 				or the GUI is not being used.
 		   texthl	highlight group used for the text item; not

runtime/doc/syntax.txt

@@ -4506,7 +4506,7 @@ it marks the "\(\I\i*\)" sub-expression as external; in the end pattern, it
 changes the \z1 back-reference into an external reference referring to the
 first external sub-expression in the start pattern.  External references can
 also be used in skip patterns: >
-  :syn region foo start="start \(\I\i*\)" skip="not end \z1" end="end \z1"
+  :syn region foo start="start \z(\I\i*\)" skip="not end \z1" end="end \z1"
 
 Note that normal and external sub-expressions are completely orthogonal and
 indexed separately; for instance, if the pattern "\z(..\)\(..\)" is applied

runtime/doc/term.txt

@@ -1,4 +1,4 @@
-*term.txt*      For Vim version 8.2.  Last change: 2021 Dec 04
+*term.txt*      For Vim version 8.2.  Last change: 2021 Dec 21
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -150,6 +150,8 @@ terminal that tmux is running in): >
         " Enable focus event tracking, see  :help xterm-focus-event
         let &t_fe = "\<Esc>[?1004h"
         let &t_fd = "\<Esc>[?1004l"
+	execute "set <FocusGained>=\<Esc>[I"
+        execute "set <FocusLost>=\<Esc>[O"
 
         " Enable modified arrow keys, see  :help arrow_modifiers
         execute "silent! set <xUp>=\<Esc>[@;*A"
@@ -554,8 +556,15 @@ request the key codes directly from the xterm.  The responses are used to
 adjust the various t_ codes.  This avoids the problem that the xterm can
 produce different codes, depending on the mode it is in (8-bit, VT102,
 VT220, etc.).  The result is that codes like <xF1> are no longer needed.
-Note: This is only done on startup.  If the xterm options are changed after
-Vim has started, the escape sequences may not be recognized anymore.
+
+One of the codes that can change is 't_Co', the number of colors.  This will
+trigger a redraw.  If this is a problem, reset the 'xtermcodes' option as
+early as possible: >
+	set noxtermcodes
+
+Note: Requesting the key codes is only done on startup.  If the xterm options
+are changed after Vim has started, the escape sequences may not be recognized
+anymore.
 
 							*xterm-true-color*
 Vim supports using true colors in the terminal (taken from |highlight-guifg|
@@ -606,6 +615,8 @@ If your terminal does support this but Vim does not recognize the terminal,
 you may have to set the options yourself: >
 	let &t_fe = "\<Esc>[?1004h"
 	let &t_fd = "\<Esc>[?1004l"
+	execute "set <FocusGained>=\<Esc>[I"
+        execute "set <FocusLost>=\<Esc>[O"
 If this causes garbage to show when Vim starts up then it doesn't work.
 
 							*termcap-colors*

runtime/doc/terminal.txt

@@ -1,4 +1,4 @@
-*terminal.txt*	For Vim version 8.2.  Last change: 2021 Nov 13
+*terminal.txt*	For Vim version 8.2.  Last change: 2021 Dec 21
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -1428,6 +1428,8 @@ GDB command						*termdebug-customizing*
 To change the name of the gdb command, set the "g:termdebugger" variable before
 invoking `:Termdebug`: >
 	let g:termdebugger = "mygdb"
+If the command needs an argument use a List: >
+	let g:termdebugger = ['rr', 'replay', '--']
 <							*gdb-version*
 Only debuggers fully compatible with gdb will work.  Vim uses the GDB/MI
 interface.  The "new-ui" command  requires gdb version 7.12 or later.  if you

runtime/doc/testing.txt

@@ -1,4 +1,4 @@
-*testing.txt*	For Vim version 8.2.  Last change: 2021 Aug 15
+*testing.txt*	For Vim version 8.2.  Last change: 2021 Dec 11
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -65,7 +65,8 @@ test_garbagecollect_now()			 *test_garbagecollect_now()*
 		Like garbagecollect(), but executed right away.  This must
 		only be called directly to avoid any structure to exist
 		internally, and |v:testing| must have been set before calling
-		any function.
+		any function.  This will not work when called from a :def
+		function, because variables on the stack will be freed.
 
 
 test_garbagecollect_soon()			 *test_garbagecollect_soon()*

runtime/doc/todo.txt

@@ -1,4 +1,4 @@
-*todo.txt*      For Vim version 8.2.  Last change: 2021 Dec 05
+*todo.txt*      For Vim version 8.2.  Last change: 2021 Dec 30
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -38,34 +38,14 @@ browser use: https://github.com/vim/vim/issues/1234
 							*known-bugs*
 -------------------- Known bugs and current work -----------------------
 
-Vim9 - Make everything work:
-- Check TODO items in vim9compile.c and vim9execute.c
-- use CheckLegacyAndVim9Success(lines) in many more places
-- For builtin functions using tv_get_string*() use check_for_string() to be
-  more strict about the argument type (not a bool).
-    done: balloon_()
-- Check many more builtin function arguments at compile time.
-    map() could check that the return type of the function argument matches
-    the type of the list or dict member. (#8092)
-    Same for other functions, such as searchpair().
-- Test try/catch and throw better, also nested.
-  Test that return inside try/finally jumps to finally and then returns.
-- Test that a function defined inside a :def function is local to that
-  function, g: functions can be defined and script-local functions cannot be
-  defined.
-- Unexpected error message when using "var x: any | x.key = 9", because "x" is
-  given the type number.  Can we use VAR_ANY?
-- Check performance with callgrind and kcachegrind.
-
 Once Vim9 is stable:
 - Add the "vim9script" feature, can use has('vim9script')
-- Change the help to prefer Vim9 syntax where appropriate
+    Remove TODO in vim9.txt
 - Add all the error numbers in a good place in documentation.
-- In the generic eval docs, point out the Vim9 syntax where it differs.
 - Use Vim9 for runtime files.
-    PR #7497 for autoload/ccomplete.vim
 
 Further Vim9 improvements, possibly after launch:
+- Check performance with callgrind and kcachegrind.
 - better implementation for partial and tests for that.
 - Compile options that are an expression, e.g. "expr:" in 'spellsuggest',
   'foldexpr', 'foldtext', 'printexpr', 'diffexpr', 'patchexpr', 'charconvert',
@@ -75,10 +55,9 @@ Further Vim9 improvements, possibly after launch:
   evaluation.
   Use the location where the option was set for deciding whether it's to be
   evaluated in Vim9 script context.
-- Handle command that is only a range more efficient than calling ISN_EXEC
 - implement :type, "import type"
-- implement enum,  "import enum".
-- implement class and interface: See |vim9-classes|
+- implement :enum,  "import enum".
+- implement :class and :interface: See |vim9-classes|
 - For range: make table of first ASCII character with flag to quickly check if
   it can be a Vim9 command. E.g. "+" can, but "." can't.
 - Inline call to map() and filter(), better type checking.
@@ -89,6 +68,9 @@ Further Vim9 improvements, possibly after launch:
     has(featureName), len(someString)
 - Implement as part of an expression: ++expr, --expr, expr++, expr--.
 
+Update list of features to vote on:
+- multiple cursors
+- built-in LSP support
 
 Popup windows:
 - Preview popup not properly updated when it overlaps with completion menu.
@@ -131,8 +113,6 @@ Text properties:
   where property fits in.
   Or Should we let the textprop highlight overrule other (e.g. diff) highlight
   if the priority is above a certain value?  (#7392)
-- Popup attached to text property stays visible when text is no longer
-  visible. (#7736)
 - Popup attached to text property stays visible when text is deleted with
   "cc". (#7737)  "C" works OK.  "dd" also files in a buffer with a single
   line.
@@ -194,8 +174,6 @@ Terminal emulator window:
 - GUI: When using ":set go+=!" a system() call causes the hit-enter prompt.
   (#3327)
 - Allow for specifying the directory, with ++cwd={dir}.
-- With a vertical split only one window is updated. (Linwei, 2018 Jun 2,
-  #2977)
 - When pasting should call vterm_keyboard_start_paste(), e.g. when using
   K_MIDDLEMOUSE, calling insert_reg().
 - Users expect parsing the :term argument like a shell does, also support
@@ -271,6 +249,8 @@ Was originally written by Felipe Morales.
 Request to use "." for the cursor column in search pattern \%<.c and \%<.v.
 (#8179)
 
+":filter set termcap" only filters terminal codes, not keys. (#9297)
+
 Remove SPACE_IN_FILENAME ? It is only used for completion.
 
 When 'term' starts with "foot" then default t_TI and t_TE to the values used
@@ -415,8 +395,6 @@ Motif: Build on Ubuntu can't enter any text in dialog text fields.
 Running test_gui and test_gui_init with Motif sometimes kills the window
 manager.  Problem with Motif?
 
-Patch to add :argdedupe. (Nir Lichtman, #6235)
-
 When editing a file with ":edit" the output of :swapname is relative, while
 editing it with "vim file" it is absolute. (#355)
 Which one should it be?
@@ -846,9 +824,7 @@ window for the buffer.
 Win32 key codes are messy.  Mike Williams tried to fix that, but now old
 mappings no longer work.  Create a new terminal for the better solution?
 
-Compiler warnings (geeknik, 2017 Oct 26):
-- signed integer overflow in do_sub() (#2249)
-- signed integer overflow in get_address() (#2248)
+Compiler warning (geeknik, 2017 Oct 26):
 - undefined left shift in get_string_tv() (#2250)
 
 Add Native language protocol server (LSP) support. (Yegappan Lakshmanan, 2018
@@ -3895,7 +3871,7 @@ User Friendlier:
     $HOME/_vimrc, etc.) and add "edit vimrc" to the File menu.
 -   Add a way to save local settings and mappings into a new plugin file.
     ":mkplugin <file>"?
--   Add mappings local to a window: ":map <window> ..."?
+-   Add mappings local to a window: ":map <window> ..."  #9339
 9   Add buffer-local menu.  Should offer a choice between removing the menu or
     disabling it.  Be careful that tear-offs don't disappear (keep one empty
     item?).

runtime/doc/various.txt

@@ -1,4 +1,4 @@
-*various.txt*   For Vim version 8.2.  Last change: 2021 Nov 30
+*various.txt*   For Vim version 8.2.  Last change: 2021 Dec 20
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -476,9 +476,10 @@ N  *+toolbar*		|gui-toolbar|
 T  *+user_commands*	User-defined commands. |user-commands|
 			Always enabled since 8.1.1210.
 B  *+vartabs*		Variable-width tabstops. |'vartabstop'|
-N  *+viminfo*		|'viminfo'|
 T  *+vertsplit*		Vertically split windows |:vsplit|; Always enabled
 			since 8.0.1118.
+T  *+vim9script*	|Vim9| script
+N  *+viminfo*		|'viminfo'|
 T  *+virtualedit*	|'virtualedit'| Always enabled since 8.1.826.
 T  *+visual*		Visual mode |Visual-mode| Always enabled since 7.4.200.
 T  *+visualextra*	extra Visual mode commands |blockwise-operators|
@@ -549,14 +550,17 @@ N  *+X11*		Unix only: can restore window title |X11|
 			name can be omitted.
 :redi[r] @">>		Append messages to the unnamed register.
 
-:redi[r] => {var}	Redirect messages to a variable.  If the variable
-			doesn't exist, then it is created.  If the variable
-			exists, then it is initialized to an empty string.
+:redi[r] => {var}	Redirect messages to a variable.
+			In legacy script: If the variable doesn't exist, then
+			it is created.  If the variable exists, then it is
+			initialized to an empty string.  After the redirection
+			starts, if the variable is removed or locked or the
+			variable type is changed, then further command output
+			messages will cause errors.
+			In Vim9 script: the variable must have been declared
+			as a string.
 			The variable will remain empty until redirection ends.
-			Only string variables can be used.  After the
-			redirection starts, if the variable is removed or
-			locked or the variable type is changed, then further
-			command output messages will cause errors.
+			Only string variables can be used.
 			To get the output of one command the |execute()|
 			function can be used instead of redirection.
 
@@ -598,7 +602,7 @@ N  *+X11*		Unix only: can restore window title |X11|
 			   |:oldfiles|   - filter by file name
 			   |:registers|  - filter by register contents
 					   (does not work multi-line)
-			   |:set|        - filter by variable name
+			   |:set|        - filter by option name
 
 			Only normal messages are filtered, error messages are
 			not.

runtime/doc/vim9.txt

@@ -1,17 +1,14 @@
-*vim9.txt*	For Vim version 8.2.  Last change: 2021 Dec 01
+*vim9.txt*	For Vim version 8.2.  Last change: 2021 Dec 27
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
 
 
-THIS IS STILL UNDER DEVELOPMENT - ANYTHING CAN BREAK - ANYTHING CAN CHANGE
-
 Vim9 script commands and expressions.			*Vim9* *vim9*
 
 Most expression help is in |eval.txt|.  This file is about the new syntax and
 features in Vim9 script.
 
-THIS IS STILL UNDER DEVELOPMENT - ANYTHING CAN BREAK - ANYTHING CAN CHANGE
 
 
 1.  What is Vim9 script?		|Vim9-script|
@@ -27,8 +24,6 @@ THIS IS STILL UNDER DEVELOPMENT - ANYTHING CAN BREAK - ANYTHING CAN CHANGE
 
 1. What is Vim9 script?					*Vim9-script*
 
-THIS IS STILL UNDER DEVELOPMENT - ANYTHING CAN BREAK - ANYTHING CAN CHANGE
-
 Vim script has been growing over time, while preserving backwards
 compatibility.  That means bad choices from the past often can't be changed
 and compatibility with Vi restricts possible solutions.  Execution is quite
@@ -76,8 +71,6 @@ rewrite old scripts, they keep working as before.  You may want to use a few
 
 2. Differences from legacy Vim script			*vim9-differences*
 
-THIS IS STILL UNDER DEVELOPMENT - ANYTHING CAN BREAK - ANYTHING CAN CHANGE
-
 Overview ~
 
 Brief summary of the differences you will most often encounter when using Vim9
@@ -88,7 +81,7 @@ script and `:def` functions; details are below:
 	echo "hello "
 	     .. yourName
 	     .. ", how are you?"
-- White space is required in many places.
+- White space is required in many places to improve readability.
 - Assign values without `:let`, declare variables with `:var`: >
 	var count = 0
 	count += 3
@@ -101,8 +94,8 @@ script and `:def` functions; details are below:
 	def CallMe(count: number, message: string): bool
 - Call functions without `:call`: >
 	writefile(['done'], 'file.txt')
-- You cannot use `:xit`, `:t`, `:k`, `:append`, `:change`, `:insert`, `:open`,
-  and `:s` or `:d` with only flags.
+- You cannot use old Ex commands `:xit`, `:t`, `:k`, `:append`, `:change`,
+  `:insert`, `:open`, and `:s` or `:d` with only flags.
 - You cannot use curly-braces names.
 - A range before a command must be prefixed with a colon: >
 	:%s/this/that
@@ -169,8 +162,8 @@ created yet.  In this case you can call `execute()` to invoke it at runtime. >
 
 `:def` has no options like `:function` does: "range", "abort", "dict" or
 "closure".  A `:def` function always aborts on an error (unless `:silent!` was
-used for the command or inside a `:try` block), does not get a range passed
-cannot be a "dict" function, and can always be a closure.
+used for the command or the error was caught a `:try` block), does not get a
+range passed cannot be a "dict" function, and can always be a closure.
 						*vim9-no-dict-function*
 Later classes will be added, which replaces the "dict function" mechanism.
 For now you will need to pass the dictionary explicitly: >
@@ -354,11 +347,13 @@ And with autocommands: >
 Although using a :def function probably works better.
 
 Declaring a variable with a type but without an initializer will initialize to
-zero, false or empty.
+false (for bool), empty (for string, list, dict, etc.) or zero (for number,
+any, etc.).  This matters especially when using the "any" type, the value will
+default to the number zero.
 
 In Vim9 script `:let` cannot be used.  An existing variable is assigned to
 without any command.  The same for global, window, tab, buffer and Vim
-variables, because they are not really declared.  They can also be deleted
+variables, because they are not really declared.  Those can also be deleted
 with `:unlet`.
 
 `:lockvar` does not work on local variables.  Use `:const` and `:final`
@@ -396,8 +391,8 @@ later.  Example: >
 	  endif
 	enddef
 
-If you would do it like this you get an error at compile time that
-"PluginFunc" does not exist, even when "g:loaded_plugin" does not exist: >
+If you do it like this, you get an error at compile time that "PluginFunc"
+does not exist, even when "g:loaded_plugin" does not exist: >
 	def CallPluginFunc()
 	  if exists('g:loaded_plugin')
 	    PluginFunc()   # Error - function not found
@@ -509,7 +504,7 @@ The function must already have been defined. >
 
 When using `function()` the resulting type is "func", a function with any
 number of arguments and any return type (including void).  The function can be
-defined later.
+defined later if the argument is in quotes.
 
 
 Lambda using => instead of -> ~
@@ -560,7 +555,6 @@ This can be useful for a timer, for example: >
 		 echom 'Handler called ' .. count
 	     }, {repeat: 3})
 
-
 The ending "}" must be at the start of a line.  It can be followed by other
 characters, e.g.: >
 	var d = mapnew(dict, (k, v): string => {
@@ -568,6 +562,24 @@ characters, e.g.: >
 	   })
 No command can follow the "{", only a comment can be used there.
 
+							*command-block*
+The block can also be used for defining a user command.  Inside the block Vim9
+syntax will be used.
+
+If the statements include a dictionary, its closing bracket must not be
+written at the start of a line.  Otherwise, it would be parsed as the end of
+the block.  This does not work: >
+	command NewCommand {
+	     g:mydict = {
+	       'key': 'value',
+	       }  # ERROR: will be recognized as the end of the block
+	   }
+Put the '}' after the last item to avoid this: >
+	command NewCommand {
+	     g:mydict = {
+	       'key': 'value' }
+	   }
+
 Rationale: The "}" cannot be after a command because it would require parsing
 the commands to find it.  For consistency with that no command can follow the
 "{".  Unfortunately this means using "() => {  command  }" does not work, line
@@ -585,7 +597,7 @@ Also when confused with the start of a command block: >
 
 
 Automatic line continuation ~
-
+						*vim9-line-continuation*
 In many cases it is obvious that an expression continues on the next line.  In
 those cases there is no need to prefix the line with a backslash (see
 |line-continuation|).  For example, when a list spans multiple lines: >
@@ -763,7 +775,7 @@ No curly braces expansion ~
 
 
 Dictionary literals ~
-
+						*vim9-literal-dict*
 Traditionally Vim has supported dictionary literals with a {} syntax: >
 	let dict = {'key': value}
 
@@ -853,7 +865,7 @@ first if needed.
 
 
 Conditions and expressions ~
-
+							*vim9-boolean*
 Conditions and expressions are mostly working like they do in other languages.
 Some values are different from legacy Vim script:
 	value		legacy Vim script	Vim9 script ~
@@ -905,8 +917,8 @@ always converted to string: >
 	'hello ' .. 123  == 'hello 123'
 	'hello ' .. v:true  == 'hello true'
 
-Simple types are string, float, special and bool.  For other types |string()|
-can be used.
+Simple types are Number, Float, Special and Bool.  For other types |string()|
+should be used.
 							*false* *true* *null*
 In Vim9 script one can use "true" for v:true, "false" for v:false and "null"
 for v:null.  When converting a boolean to a string "false" and "true" are
@@ -1050,8 +1062,6 @@ Using ++var or --var in an expression is not supported yet.
 
 3. New style functions					*fast-functions*
 
-THIS IS STILL UNDER DEVELOPMENT - ANYTHING CAN BREAK - ANYTHING CAN CHANGE
-
 							*:def*
 :def[!] {name}([arguments])[: {return-type}]
 			Define a new function by the name {name}.  The body of
@@ -1167,8 +1177,6 @@ for each closure call a function to define it: >
 
 4. Types					*vim9-types*
 
-THIS IS STILL UNDER DEVELOPMENT - ANYTHING CAN BREAK - ANYTHING CAN CHANGE
-
 The following builtin types are supported:
 	bool
 	number
@@ -1349,8 +1357,6 @@ Same for |extend()|, use |extendnew()| instead, and for |flatten()|, use
 5. Namespace, Import and Export
 					*vim9script* *vim9-export* *vim9-import*
 
-THIS IS STILL UNDER DEVELOPMENT - ANYTHING CAN BREAK - ANYTHING CAN CHANGE
-
 A Vim9 script can be written to be imported.  This means that everything in
 the script is local, unless exported.  Those exported items, and only those
 items, can then be imported in another script.
@@ -1385,6 +1391,7 @@ One of the effects is that |line-continuation| is always enabled.
 The original value of 'cpoptions' is restored at the end of the script, while
 flags added or removed in the script are also added to or removed from the
 original value to get the same effect.  The order of flags may change.
+In the |vimrc| file sourced on startup this does not happen.
 
 							*vim9-mix*
 There is one way to use both legacy and Vim9 syntax in one script file: >
@@ -1404,9 +1411,6 @@ This can only work in two ways:
 2. The "if" statement evaluates to true, the commands up to `endif` are
    executed and `finish` bails out before reaching `vim9script`.
 
-TODO: The "vim9script" feature does not exist yet, it will only be added once
-the Vim9 script syntax has been fully implemented.
-
 
 Export ~
 							*:export* *:exp*
@@ -1428,24 +1432,27 @@ be exported. {not implemented yet: class, interface}
 
 Import ~
 						*:import* *:imp* *E1094*
-The exported items can be imported individually in another Vim9 script: >
-	import EXPORTED_CONST from "thatscript.vim"
-	import MyClass from "myclass.vim"
+The exported items can be imported in another Vim9 script: >
+	import "myscript.vim"
 
-To import multiple items at the same time: >
-	import {someValue, MyClass} from "thatscript.vim"
+This makes each item available as "myscript.item".
 
-In case the name is ambiguous, another name can be specified: >
-	import MyClass as ThatClass from "myclass.vim"
-	import {someValue, MyClass as ThatClass} from "myclass.vim"
-
-To import all exported items under a specific identifier: >
-	import * as That from 'thatscript.vim'
+In case the name is long or ambiguous, another name can be specified: >
+	import "thatscript.vim" as That
 
 Then you can use "That.EXPORTED_CONST", "That.someValue", etc.  You are free
-to choose the name "That", but it is highly recommended to use the name of the
-script file to avoid confusion.  Also avoid command names, because the name
-will shadow them.
+to choose the name "That".  Use something that will be recognized as referring
+to the imported script.  Avoid command names, because the name will shadow
+them.
+
+In case the dot in the name is unwanted, a local reference can be made: >
+	var ThatFunc = That.LongFuncName
+
+This also works for constants: >
+	cost MAXLEN = That.MAX_LEN_OF_NAME
+
+This does not work for variables, you could use a setter function and make a
+local reference for it.
 
 `:import` can also be used in legacy Vim script.  The imported items still
 become script-local, even when the "s:" prefix is not given.
@@ -1466,6 +1473,9 @@ The script name after `import` can be:
 
 Once a vim9 script file has been imported, the result is cached and used the
 next time the same script is imported.  It will not be read again.
+
+It is not allowed to import the same script twice, also when using two
+different "as" names.
 							*:import-cycle*
 The `import` commands are executed when encountered.  If that script (directly
 or indirectly) imports the current script, then items defined after the
@@ -1487,9 +1497,9 @@ actually needed.  A recommended mechanism:
 2. In the autoload script do the actual work.  You can import items from
    other files to split up functionality in appropriate pieces. >
 	vim9script
-	import FilterFunc from "../import/someother.vim"
+	import "../import/someother.vim" as other
 	def searchfor#Stuff(arg: string)
-	  var filtered = FilterFunc(arg)
+	  var filtered = other.FilterFunc(arg)
 	  ...
 <   This goes in .../autoload/searchfor.vim.  "searchfor" in the file name
    must be exactly the same as the prefix for the function name, that is how
@@ -1664,7 +1674,8 @@ Specific items from TypeScript we avoid:
 - TypeScript can use an expression like "99 || 'yes'" in a condition, but
   cannot assign the value to a boolean.  That is inconsistent and can be
   annoying.  Vim recognizes an expression with && or || and allows using the
-  result as a bool.  TODO: to be reconsidered
+  result as a bool.  The |falsy-operator| was added for the mechanism to use a
+  default value.
 - TypeScript considers an empty string as Falsy, but an empty list or dict as
   Truthy.  That is inconsistent.  In Vim an empty list and dict are also
   Falsy.

runtime/filetype.vim

@@ -1,7 +1,7 @@
 " Vim support file to detect file types
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2021 Dec 03
+" Last Change:	2021 Dec 27
 
 " Listen very carefully, I will say this only once
 if exists("did_load_filetypes")
@@ -260,7 +260,7 @@ au BufNewFile,BufRead *.lpc,*.ulpc		setf lpc
 au BufNewFile,BufRead calendar			setf calendar
 
 " C#
-au BufNewFile,BufRead *.cs			setf cs
+au BufNewFile,BufRead *.cs,*.csx		setf cs
 
 " CSDL
 au BufNewFile,BufRead *.csdl			setf csdl
@@ -397,6 +397,7 @@ au BufNewFile,BufRead configure.in,configure.ac setf config
 au BufNewFile,BufRead *.cu,*.cuh		setf cuda
 
 " Dockerfile; Podman uses the same syntax with name Containerfile
+" Also see Dockerfile.* below.
 au BufNewFile,BufRead Containerfile,Dockerfile,*.Dockerfile	setf dockerfile
 
 " WildPackets EtherPeek Decoder
@@ -490,10 +491,13 @@ au BufNewFile,BufRead dict.conf,.dictrc		setf dictconf
 " Dictd config
 au BufNewFile,BufRead dictd*.conf		setf dictdconf
 
+" DEP3 formatted patch files
+au BufNewFile,BufRead */debian/patches/*	call dist#ft#Dep3patch()
+
 " Diff files
 au BufNewFile,BufRead *.diff,*.rej		setf diff
 au BufNewFile,BufRead *.patch
-	\ if getline(1) =~ '^From [0-9a-f]\{40\} Mon Sep 17 00:00:00 2001$' |
+	\ if getline(1) =~# '^From [0-9a-f]\{40,\} Mon Sep 17 00:00:00 2001$' |
 	\   setf gitsendemail |
 	\ else |
 	\   setf diff |
@@ -672,6 +676,7 @@ autocmd BufRead,BufNewFile *.gift		setf gift
 
 " Git
 au BufNewFile,BufRead COMMIT_EDITMSG,MERGE_MSG,TAG_EDITMSG	setf gitcommit
+au BufNewFile,BufRead NOTES_EDITMSG,EDIT_DESCRIPTION		setf gitcommit
 au BufNewFile,BufRead *.git/config,.gitconfig,/etc/gitconfig	setf gitconfig
 au BufNewFile,BufRead */.config/git/config			setf gitconfig
 au BufNewFile,BufRead .gitmodules,*.git/modules/*/config	setf gitconfig
@@ -680,12 +685,8 @@ if !empty($XDG_CONFIG_HOME)
 endif
 au BufNewFile,BufRead git-rebase-todo		setf gitrebase
 au BufRead,BufNewFile .gitsendemail.msg.??????	setf gitsendemail
-au BufNewFile,BufRead .msg.[0-9]*
-      \ if getline(1) =~ '^From.*# This line is ignored.$' |
-      \   setf gitsendemail |
-      \ endif
 au BufNewFile,BufRead *.git/*
-      \ if getline(1) =~ '^\x\{40\}\>\|^ref: ' |
+      \ if getline(1) =~# '^\x\{40,\}\>\|^ref: ' |
       \   setf git |
       \ endif
 
@@ -790,6 +791,10 @@ au BufNewFile,BufRead *.hb			setf hb
 " Httest
 au BufNewFile,BufRead *.htt,*.htb		setf httest
 
+" i3 (and sway)
+au BufNewFile,BufRead */i3/config,*/sway/config		setf i3config
+au BufNewFile,BufRead */.i3/config,*/.sway/config	setf i3config
+
 " Icon
 au BufNewFile,BufRead *.icn			setf icon
 
@@ -955,9 +960,9 @@ au BufNewFile,BufRead lilo.conf			setf lilo
 " Lisp (*.el = ELisp, *.cl = Common Lisp)
 " *.jl was removed, it's also used for Julia, better skip than guess wrong.
 if has("fname_case")
-  au BufNewFile,BufRead *.lsp,*.lisp,*.el,*.cl,*.L,.emacs,.sawfishrc setf lisp
+  au BufNewFile,BufRead *.lsp,*.lisp,*.asd,*.el,*.cl,*.L,.emacs,.sawfishrc setf lisp
 else
-  au BufNewFile,BufRead *.lsp,*.lisp,*.el,*.cl,.emacs,.sawfishrc setf lisp
+  au BufNewFile,BufRead *.lsp,*.lisp,*.asd,*.el,*.cl,.emacs,.sawfishrc setf lisp
 endif
 
 " SBCL implementation of Common Lisp
@@ -1084,7 +1089,9 @@ au BufNewFile,BufRead *.mmp			setf mmp
 
 " Modsim III (or LambdaProlog)
 au BufNewFile,BufRead *.mod
-	\ if getline(1) =~ '\<module\>' |
+	\ if expand("<afile>") =~ '\<go.mod$' |
+	\   setf gomod |
+	\ elseif getline(1) =~ '\<module\>' |
 	\   setf lprolog |
 	\ else |
 	\   setf modsim3 |
@@ -1659,7 +1666,7 @@ au BufNewFile,BufRead .zshrc,.zshenv,.zlogin,.zlogout,.zcompdump setf zsh
 au BufNewFile,BufRead *.zsh			setf zsh
 
 " Scheme
-au BufNewFile,BufRead *.scm,*.ss,*.rkt,*.rktd,*.rktl 	setf scheme
+au BufNewFile,BufRead *.scm,*.ss,*.sld,*.rkt,*.rktd,*.rktl 	setf scheme
 
 " Screen RC
 au BufNewFile,BufRead .screenrc,screenrc	setf screen
@@ -1739,6 +1746,10 @@ au BufNewFile,BufRead *.speedup,*.spdata,*.spd	setf spup
 " Slice
 au BufNewFile,BufRead *.ice			setf slice
 
+" Microsoft Visual Studio Solution
+au BufNewFile,BufRead *.sln			setf solution
+au BufNewFile,BufRead *.slnf			setf json
+
 " Spice
 au BufNewFile,BufRead *.sp,*.spice		setf spice
 
@@ -1764,8 +1775,8 @@ au BufNewFile,BufRead *.sqr,*.sqi		setf sqr
 au BufNewFile,BufRead *.nut			setf squirrel
 
 " OpenSSH configuration
-au BufNewFile,BufRead ssh_config,*/.ssh/config		setf sshconfig
-au BufNewFile,BufRead */etc/ssh/ssh_config.d/*.conf	setf sshconfig
+au BufNewFile,BufRead ssh_config,*/.ssh/config,*/.ssh/*.conf	setf sshconfig
+au BufNewFile,BufRead */etc/ssh/ssh_config.d/*.conf		setf sshconfig
 
 " OpenSSH server configuration
 au BufNewFile,BufRead sshd_config			setf sshdconfig
@@ -2225,6 +2236,9 @@ au BufNewFile,BufRead crontab,crontab.*,*/etc/cron.d/*		call s:StarSetf('crontab
 " dnsmasq(8) configuration
 au BufNewFile,BufRead */etc/dnsmasq.d/*		call s:StarSetf('dnsmasq')
 
+" Dockerfile
+au BufNewFile,BufRead Dockerfile.*,Containerfile.*	call s:StarSetf('dockerfile')
+
 " Dracula
 au BufNewFile,BufRead drac.*			call s:StarSetf('dracula')
 

runtime/ftplugin/i3config.vim

@@ -0,0 +1,13 @@
+" Vim filetype plugin file
+" Language: i3 config file
+" Original Author: Mohamed Boughaba <mohamed dot bgb at gmail dot com>
+" Maintainer: Quentin Hibon
+" Version: 0.4
+" Last Change: 2021 Dec 14
+
+if exists("b:did_ftplugin") | finish | endif
+let b:did_ftplugin = 1
+
+let b:undo_ftplugin = "setlocal cms<"
+
+setlocal commentstring=#\ %s

runtime/ftplugin/solution.vim

@@ -0,0 +1,37 @@
+" Vim filetype plugin file
+" Language:	Microsoft Visual Studio Solution
+" Maintainer:	Doug Kearns <dougkearns@gmail.com>
+" Last Change:	2021 Dec 15
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+setlocal comments=:#
+setlocal commentstring=#\ %s
+
+let b:undo_ftplugin = "setl com< cms<"
+
+if exists("loaded_matchit") && !exists("b:match_words")
+  let b:match_words =
+	\ '\<Project\>:\<EndProject\>,' ..
+	\ '\<ProjectSection\>:\<EndProjectSection\>,' ..
+	\ '\<Global\>:\<EndGlobal\>,' ..
+	\ '\<GlobalSection\>:\<EndGlobalSection\>'
+  let b:undo_ftplugin ..= " | unlet! b:match_words"
+endif
+
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+  let b:browsefilter = "Microsoft Visual Studio Solution Files\t*.sln\n" ..
+	\	       "All Files (*.*)\t*.*\n"
+  let b:undo_ftplugin ..= " | unlet! b:browsefilter"
+endif
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: nowrap sw=2 sts=2 ts=8 noet:

runtime/ftplugin/zsh.vim

@@ -18,13 +18,13 @@ setlocal comments=:# commentstring=#\ %s formatoptions-=t formatoptions+=croql
 
 let b:undo_ftplugin = "setl com< cms< fo< "
 
-if executable('zsh')
+if executable('zsh') && &shell !~# '/\%(nologin\|false\)$'
   if !has('gui_running') && executable('less')
-    command! -buffer -nargs=1 RunHelp silent exe '!MANPAGER= zsh -ic "autoload -Uz run-help; run-help <args> 2>/dev/null | LESS= less"' | redraw!
+    command! -buffer -nargs=1 RunHelp silent exe '!MANPAGER= zsh -c "autoload -Uz run-help; run-help <args> 2>/dev/null | LESS= less"' | redraw!
   elseif has('terminal')
-    command! -buffer -nargs=1 RunHelp silent exe ':term zsh -ic "autoload -Uz run-help; run-help <args>"'
+    command! -buffer -nargs=1 RunHelp silent exe ':term zsh -c "autoload -Uz run-help; run-help <args>"'
   else
-    command! -buffer -nargs=1 RunHelp echo system('zsh -ic "autoload -Uz run-help; run-help <args> 2>/dev/null"')
+    command! -buffer -nargs=1 RunHelp echo system('zsh -c "autoload -Uz run-help; run-help <args> 2>/dev/null"')
   endif
   if !exists('current_compiler')
     compiler zsh

runtime/indent/sh.vim

@@ -109,7 +109,7 @@ function! GetShIndent()
       let ind += s:indent_value('continuation-line')
     endif
   elseif s:end_block(line) && !s:start_block(line)
-    let ind -= s:indent_value('default')
+    let ind = indent(lnum)
   elseif pnum != 0 &&
         \ s:is_continuation_line(pline) &&
         \ !s:end_block(curline) &&

runtime/indent/xml.vim

@@ -39,6 +39,8 @@ setlocal indentkeys=o,O,*<Return>,<>>,<<>,/,{,},!^F
 " autoindent: used when the indentexpr returns -1
 setlocal autoindent
 
+let b:undo_indent = "setl ai< inde< indk<"
+
 if !exists('b:xml_indent_open')
     let b:xml_indent_open = '.\{-}<[:A-Z_a-z]'
     " pre tag, e.g. <address>
@@ -51,6 +53,10 @@ if !exists('b:xml_indent_close')
     " let b:xml_indent_close = '.\{-}</\(address\)\@!'
 endif
 
+if !exists('b:xml_indent_continuation_filetype')
+    let b:xml_indent_continuation_filetype = 'xml'
+endif
+
 let &cpo = s:keepcpo
 unlet s:keepcpo
 
@@ -162,7 +168,7 @@ endfun
 
 func! <SID>IsXMLContinuation(line)
     " Checks, whether or not the line matches a start-of-tag
-    return a:line !~ '^\s*<' && &ft is# 'xml'
+    return a:line !~ '^\s*<' && &ft =~# b:xml_indent_continuation_filetype
 endfunc
 
 func! <SID>HasNoTagEnd(line)

runtime/menu.vim

@@ -2,7 +2,7 @@
 " You can also use this as a start for your own set of menus.
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2020 Sep 28
+" Last Change:	2021 Dec 22
 
 " Note that ":an" (short for ":anoremenu") is often used to make a menu work
 " in all modes and avoid side effects from mappings defined by the user.
@@ -717,6 +717,11 @@ func s:BMCanAdd(name, num)
     return 0
   endif
 
+  " no name with control characters
+  if a:name =~ '[\x01-\x1f]'
+    return 0
+  endif
+
   " no special buffer, such as terminal or popup
   let buftype = getbufvar(a:num, '&buftype')
   if buftype != '' && buftype != 'nofile' && buftype != 'nowrite'

runtime/optwin.vim

@@ -1,7 +1,7 @@
 " These commands create the option window.
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2021 Dec 11
+" Last Change:	2021 Dec 21
 
 " If there already is an option window, jump to that one.
 let buf = bufnr('option-window')
@@ -260,10 +260,8 @@ call <SID>OptionG("sect", &sect)
 call <SID>AddOption("path", gettext("list of directory names used for file searching"))
 call append("$", "\t" .. s:global_or_local)
 call <SID>OptionG("pa", &pa)
-if exists("+cdhome")
-  call <SID>AddOption("cdhome", gettext("change directory to the home directory by :cd"))
-  call <SID>BinOptionG("cdh", &cdh)
-endif
+call <SID>AddOption("cdhome", gettext(":cd without argument goes to the home directory"))
+call <SID>BinOptionG("cdh", &cdh)
 call <SID>AddOption("cdpath", gettext("list of directory names used for :cd"))
 call <SID>OptionG("cd", &cd)
 if exists("+autochdir")
@@ -564,14 +562,22 @@ endif
 call <SID>Header(gettext("terminal"))
 call <SID>AddOption("term", gettext("name of the used terminal"))
 call <SID>OptionG("term", &term)
+
 call <SID>AddOption("ttytype", gettext("alias for 'term'"))
 call <SID>OptionG("tty", &tty)
+
 call <SID>AddOption("ttybuiltin", gettext("check built-in termcaps first"))
 call <SID>BinOptionG("tbi", &tbi)
+
 call <SID>AddOption("ttyfast", gettext("terminal connection is fast"))
 call <SID>BinOptionG("tf", &tf)
+
+call <SID>AddOption("xtermcodes", gettext("request terminal key codes when an xterm is detected"))
+call <SID>BinOptionG("xtermcodes", &xtermcodes)
+
 call <SID>AddOption("weirdinvert", gettext("terminal that requires extra redrawing"))
 call <SID>BinOptionG("wiv", &wiv)
+
 call <SID>AddOption("esckeys", gettext("recognize keys that start with <Esc> in Insert mode"))
 call <SID>BinOptionG("ek", &ek)
 call <SID>AddOption("scrolljump", gettext("minimal number of lines to scroll at a time"))

runtime/pack/dist/opt/matchit/autoload/matchit.vim

@@ -1,6 +1,11 @@
 "  matchit.vim: (global plugin) Extended "%" matching
 "  autload script of matchit plugin, see ../plugin/matchit.vim
-"  Last Change: Mar 01, 2020
+"  Last Change: Jun 10, 2021
+
+" Neovim does not support scriptversion
+if has("vimscript-4")
+  scriptversion 4
+endif
 
 let s:last_mps = ""
 let s:last_words = ":"
@@ -30,11 +35,11 @@ function s:RestoreOptions()
   " In s:CleanUp(), :execute "set" restore_options .
   let restore_options = ""
   if get(b:, 'match_ignorecase', &ic) != &ic
-    let restore_options .= (&ic ? " " : " no") . "ignorecase"
+    let restore_options ..= (&ic ? " " : " no") .. "ignorecase"
     let &ignorecase = b:match_ignorecase
   endif
   if &ve != ''
-    let restore_options = " ve=" . &ve . restore_options
+    let restore_options = " ve=" .. &ve .. restore_options
     set ve=
   endif
   return restore_options
@@ -42,22 +47,23 @@ endfunction
 
 function matchit#Match_wrapper(word, forward, mode) range
   let restore_options = s:RestoreOptions()
-  " If this function was called from Visual mode, make sure that the cursor
-  " is at the correct end of the Visual range:
-  if a:mode == "v"
-    execute "normal! gv\<Esc>"
-  elseif a:mode == "o" && mode(1) !~# '[vV]'
-    exe "norm! v"
-  elseif a:mode == "n" && mode(1) =~# 'ni'
-    exe "norm! v"
-  endif
   " In s:CleanUp(), we may need to check whether the cursor moved forward.
   let startpos = [line("."), col(".")]
-  " Use default behavior if called with a count.
+  " if a count has been applied, use the default [count]% mode (see :h N%)
   if v:count
-    exe "normal! " . v:count . "%"
+    exe "normal! " .. v:count .. "%"
     return s:CleanUp(restore_options, a:mode, startpos)
   end
+  if a:mode =~# "v" && mode(1) =~# 'ni'
+    exe "norm! gv"
+  elseif a:mode == "o" && mode(1) !~# '[vV]'
+    exe "norm! v"
+  " If this function was called from Visual mode, make sure that the cursor
+  " is at the correct end of the Visual range:
+  elseif a:mode == "v"
+    execute "normal! gv\<Esc>"
+    let startpos = [line("."), col(".")]
+  endif
 
   " First step:  if not already done, set the script variables
   "   s:do_BR   flag for whether there are backrefs
@@ -78,30 +84,30 @@ function matchit#Match_wrapper(word, forward, mode) range
     " quote the special chars in 'matchpairs', replace [,:] with \| and then
     " append the builtin pairs (/*, */, #if, #ifdef, #ifndef, #else, #elif,
     " #endif)
-    let default = escape(&mps, '[$^.*~\\/?]') . (strlen(&mps) ? "," : "") .
+    let default = escape(&mps, '[$^.*~\\/?]') .. (strlen(&mps) ? "," : "") ..
       \ '\/\*:\*\/,#\s*if\%(n\=def\)\=:#\s*else\>:#\s*elif\>:#\s*endif\>'
     " s:all = pattern with all the keywords
-    let match_words = match_words . (strlen(match_words) ? "," : "") . default
+    let match_words = match_words .. (strlen(match_words) ? "," : "") .. default
     let s:last_words = match_words
-    if match_words !~ s:notslash . '\\\d'
+    if match_words !~ s:notslash .. '\\\d'
       let s:do_BR = 0
       let s:pat = match_words
     else
       let s:do_BR = 1
       let s:pat = s:ParseWords(match_words)
     endif
-    let s:all = substitute(s:pat, s:notslash . '\zs[,:]\+', '\\|', 'g')
+    let s:all = substitute(s:pat, s:notslash .. '\zs[,:]\+', '\\|', 'g')
     " Just in case there are too many '\(...)' groups inside the pattern, make
     " sure to use \%(...) groups, so that error E872 can be avoided
     let s:all = substitute(s:all, '\\(', '\\%(', 'g')
-    let s:all = '\%(' . s:all . '\)'
+    let s:all = '\%(' .. s:all .. '\)'
     if exists("b:match_debug")
       let b:match_pat = s:pat
     endif
     " Reconstruct the version with unresolved backrefs.
-    let s:patBR = substitute(match_words.',',
-      \ s:notslash.'\zs[,:]*,[,:]*', ',', 'g')
-    let s:patBR = substitute(s:patBR, s:notslash.'\zs:\{2,}', ':', 'g')
+    let s:patBR = substitute(match_words .. ',',
+      \ s:notslash .. '\zs[,:]*,[,:]*', ',', 'g')
+    let s:patBR = substitute(s:patBR, s:notslash .. '\zs:\{2,}', ':', 'g')
   endif
 
   " Second step:  set the following local variables:
@@ -128,12 +134,15 @@ function matchit#Match_wrapper(word, forward, mode) range
     let curcol = match(matchline, regexp)
     " If there is no match, give up.
     if curcol == -1
+      " Make sure macros abort properly
+      "exe "norm! \<esc>"
+      call feedkeys("\e", 'tni')
       return s:CleanUp(restore_options, a:mode, startpos)
     endif
     let endcol = matchend(matchline, regexp)
     let suf = strlen(matchline) - endcol
-    let prefix = (curcol ? '^.*\%'  . (curcol + 1) . 'c\%(' : '^\%(')
-    let suffix = (suf ? '\)\%' . (endcol + 1) . 'c.*$'  : '\)$')
+    let prefix = (curcol ? '^.*\%' .. (curcol + 1) .. 'c\%(' : '^\%(')
+    let suffix = (suf ? '\)\%' .. (endcol + 1) .. 'c.*$'  : '\)$')
   endif
   if exists("b:match_debug")
     let b:match_match = matchstr(matchline, regexp)
@@ -150,7 +159,7 @@ function matchit#Match_wrapper(word, forward, mode) range
   " 'while:endwhile' or whatever.  A bit of a kluge:  s:Choose() returns
   " group . "," . groupBR, and we pick it apart.
   let group = s:Choose(s:pat, matchline, ",", ":", prefix, suffix, s:patBR)
-  let i = matchend(group, s:notslash . ",")
+  let i = matchend(group, s:notslash .. ",")
   let groupBR = strpart(group, i)
   let group = strpart(group, 0, i-1)
   " Now, matchline =~ prefix . substitute(group,':','\|','g') . suffix
@@ -159,32 +168,32 @@ function matchit#Match_wrapper(word, forward, mode) range
   endif
   if exists("b:match_debug")
     let b:match_wholeBR = groupBR
-    let i = matchend(groupBR, s:notslash . ":")
+    let i = matchend(groupBR, s:notslash .. ":")
     let b:match_iniBR = strpart(groupBR, 0, i-1)
   endif
 
   " Fourth step:  Set the arguments for searchpair().
-  let i = matchend(group, s:notslash . ":")
-  let j = matchend(group, '.*' . s:notslash . ":")
+  let i = matchend(group, s:notslash .. ":")
+  let j = matchend(group, '.*' .. s:notslash .. ":")
   let ini = strpart(group, 0, i-1)
-  let mid = substitute(strpart(group, i,j-i-1), s:notslash.'\zs:', '\\|', 'g')
+  let mid = substitute(strpart(group, i,j-i-1), s:notslash .. '\zs:', '\\|', 'g')
   let fin = strpart(group, j)
   "Un-escape the remaining , and : characters.
-  let ini = substitute(ini, s:notslash . '\zs\\\(:\|,\)', '\1', 'g')
-  let mid = substitute(mid, s:notslash . '\zs\\\(:\|,\)', '\1', 'g')
-  let fin = substitute(fin, s:notslash . '\zs\\\(:\|,\)', '\1', 'g')
+  let ini = substitute(ini, s:notslash .. '\zs\\\(:\|,\)', '\1', 'g')
+  let mid = substitute(mid, s:notslash .. '\zs\\\(:\|,\)', '\1', 'g')
+  let fin = substitute(fin, s:notslash .. '\zs\\\(:\|,\)', '\1', 'g')
   " searchpair() requires that these patterns avoid \(\) groups.
-  let ini = substitute(ini, s:notslash . '\zs\\(', '\\%(', 'g')
-  let mid = substitute(mid, s:notslash . '\zs\\(', '\\%(', 'g')
-  let fin = substitute(fin, s:notslash . '\zs\\(', '\\%(', 'g')
+  let ini = substitute(ini, s:notslash .. '\zs\\(', '\\%(', 'g')
+  let mid = substitute(mid, s:notslash .. '\zs\\(', '\\%(', 'g')
+  let fin = substitute(fin, s:notslash .. '\zs\\(', '\\%(', 'g')
   " Set mid.  This is optimized for readability, not micro-efficiency!
-  if a:forward && matchline =~ prefix . fin . suffix
-    \ || !a:forward && matchline =~ prefix . ini . suffix
+  if a:forward && matchline =~ prefix .. fin .. suffix
+    \ || !a:forward && matchline =~ prefix .. ini .. suffix
     let mid = ""
   endif
   " Set flag.  This is optimized for readability, not micro-efficiency!
-  if a:forward && matchline =~ prefix . fin . suffix
-    \ || !a:forward && matchline !~ prefix . ini . suffix
+  if a:forward && matchline =~ prefix .. fin .. suffix
+    \ || !a:forward && matchline !~ prefix .. ini .. suffix
     let flag = "bW"
   else
     let flag = "W"
@@ -193,14 +202,14 @@ function matchit#Match_wrapper(word, forward, mode) range
   if exists("b:match_skip")
     let skip = b:match_skip
   elseif exists("b:match_comment") " backwards compatibility and testing!
-    let skip = "r:" . b:match_comment
+    let skip = "r:" .. b:match_comment
   else
     let skip = 's:comment\|string'
   endif
   let skip = s:ParseSkip(skip)
   if exists("b:match_debug")
     let b:match_ini = ini
-    let b:match_tail = (strlen(mid) ? mid.'\|' : '') . fin
+    let b:match_tail = (strlen(mid) ? mid .. '\|' : '') .. fin
   endif
 
   " Fifth step:  actually start moving the cursor and call searchpair().
@@ -210,25 +219,29 @@ function matchit#Match_wrapper(word, forward, mode) range
   if skip =~ 'synID' && !(has("syntax") && exists("g:syntax_on"))
     let skip = "0"
   else
-    execute "if " . skip . "| let skip = '0' | endif"
+    execute "if " .. skip .. "| let skip = '0' | endif"
   endif
   let sp_return = searchpair(ini, mid, fin, flag, skip)
   if &selection isnot# 'inclusive' && a:mode == 'v'
     " move cursor one pos to the right, because selection is not inclusive
-    " add virtualedit=onemore, to make it work even when the match ends the " line
+    " add virtualedit=onemore, to make it work even when the match ends the
+    " line
     if !(col('.') < col('$')-1)
-      set ve=onemore
+      let eolmark=1 " flag to set a mark on eol (since we cannot move there)
     endif
     norm! l
   endif
-  let final_position = "call cursor(" . line(".") . "," . col(".") . ")"
+  let final_position = "call cursor(" .. line(".") .. "," .. col(".") .. ")"
   " Restore cursor position and original screen.
   call winrestview(view)
   normal! m'
   if sp_return > 0
     execute final_position
   endif
-  return s:CleanUp(restore_options, a:mode, startpos, mid.'\|'.fin)
+  if exists('eolmark') && eolmark
+    call setpos("''", [0, line('.'), col('$'), 0]) " set mark on the eol
+  endif
+  return s:CleanUp(restore_options, a:mode, startpos, mid .. '\|' .. fin)
 endfun
 
 " Restore options and do some special handling for Operator-pending mode.
@@ -270,16 +283,16 @@ endfun
 "   a:matchline =  "123<tag>12" or "123</tag>12"
 " then extract "tag" from a:matchline and return "<tag>:</tag>" .
 fun! s:InsertRefs(groupBR, prefix, group, suffix, matchline)
-  if a:matchline !~ a:prefix .
-    \ substitute(a:group, s:notslash . '\zs:', '\\|', 'g') . a:suffix
+  if a:matchline !~ a:prefix ..
+    \ substitute(a:group, s:notslash .. '\zs:', '\\|', 'g') .. a:suffix
     return a:group
   endif
-  let i = matchend(a:groupBR, s:notslash . ':')
+  let i = matchend(a:groupBR, s:notslash .. ':')
   let ini = strpart(a:groupBR, 0, i-1)
   let tailBR = strpart(a:groupBR, i)
   let word = s:Choose(a:group, a:matchline, ":", "", a:prefix, a:suffix,
     \ a:groupBR)
-  let i = matchend(word, s:notslash . ":")
+  let i = matchend(word, s:notslash .. ":")
   let wordBR = strpart(word, i)
   let word = strpart(word, 0, i-1)
   " Now, a:matchline =~ a:prefix . word . a:suffix
@@ -289,10 +302,10 @@ fun! s:InsertRefs(groupBR, prefix, group, suffix, matchline)
     let table = ""
     let d = 0
     while d < 10
-      if tailBR =~ s:notslash . '\\' . d
-        let table = table . d
+      if tailBR =~ s:notslash .. '\\' .. d
+        let table = table .. d
       else
-        let table = table . "-"
+        let table = table .. "-"
       endif
       let d = d + 1
     endwhile
@@ -300,13 +313,13 @@ fun! s:InsertRefs(groupBR, prefix, group, suffix, matchline)
   let d = 9
   while d
     if table[d] != "-"
-      let backref = substitute(a:matchline, a:prefix.word.a:suffix,
-        \ '\'.table[d], "")
+      let backref = substitute(a:matchline, a:prefix .. word .. a:suffix,
+        \ '\' .. table[d], "")
         " Are there any other characters that should be escaped?
       let backref = escape(backref, '*,:')
       execute s:Ref(ini, d, "start", "len")
-      let ini = strpart(ini, 0, start) . backref . strpart(ini, start+len)
-      let tailBR = substitute(tailBR, s:notslash . '\zs\\' . d,
+      let ini = strpart(ini, 0, start) .. backref .. strpart(ini, start+len)
+      let tailBR = substitute(tailBR, s:notslash .. '\zs\\' .. d,
         \ escape(backref, '\\&'), 'g')
     endif
     let d = d-1
@@ -320,7 +333,7 @@ fun! s:InsertRefs(groupBR, prefix, group, suffix, matchline)
       let b:match_word = ""
     endif
   endif
-  return ini . ":" . tailBR
+  return ini .. ":" .. tailBR
 endfun
 
 " Input a comma-separated list of groups with backrefs, such as
@@ -328,25 +341,25 @@ endfun
 " and return a comma-separated list of groups with backrefs replaced:
 "   return '\(foo\):end\(foo\),\(bar\):end\(bar\)'
 fun! s:ParseWords(groups)
-  let groups = substitute(a:groups.",", s:notslash.'\zs[,:]*,[,:]*', ',', 'g')
-  let groups = substitute(groups, s:notslash . '\zs:\{2,}', ':', 'g')
+  let groups = substitute(a:groups .. ",", s:notslash .. '\zs[,:]*,[,:]*', ',', 'g')
+  let groups = substitute(groups, s:notslash .. '\zs:\{2,}', ':', 'g')
   let parsed = ""
   while groups =~ '[^,:]'
-    let i = matchend(groups, s:notslash . ':')
-    let j = matchend(groups, s:notslash . ',')
+    let i = matchend(groups, s:notslash .. ':')
+    let j = matchend(groups, s:notslash .. ',')
     let ini = strpart(groups, 0, i-1)
-    let tail = strpart(groups, i, j-i-1) . ":"
+    let tail = strpart(groups, i, j-i-1) .. ":"
     let groups = strpart(groups, j)
-    let parsed = parsed . ini
-    let i = matchend(tail, s:notslash . ':')
+    let parsed = parsed .. ini
+    let i = matchend(tail, s:notslash .. ':')
     while i != -1
       " In 'if:else:endif', ini='if' and word='else' and then word='endif'.
       let word = strpart(tail, 0, i-1)
       let tail = strpart(tail, i)
-      let i = matchend(tail, s:notslash . ':')
-      let parsed = parsed . ":" . s:Resolve(ini, word, "word")
+      let i = matchend(tail, s:notslash .. ':')
+      let parsed = parsed .. ":" .. s:Resolve(ini, word, "word")
     endwhile " Now, tail has been used up.
-    let parsed = parsed . ","
+    let parsed = parsed .. ","
   endwhile " groups =~ '[^,:]'
   let parsed = substitute(parsed, ',$', '', '')
   return parsed
@@ -364,14 +377,14 @@ endfun
 " let j      = matchend(getline("."), regexp)
 " let match  = matchstr(getline("."), regexp)
 fun! s:Wholematch(string, pat, start)
-  let group = '\%(' . a:pat . '\)'
-  let prefix = (a:start ? '\(^.*\%<' . (a:start + 2) . 'c\)\zs' : '^')
+  let group = '\%(' .. a:pat .. '\)'
+  let prefix = (a:start ? '\(^.*\%<' .. (a:start + 2) .. 'c\)\zs' : '^')
   let len = strlen(a:string)
-  let suffix = (a:start+1 < len ? '\(\%>'.(a:start+1).'c.*$\)\@=' : '$')
-  if a:string !~ prefix . group . suffix
+  let suffix = (a:start+1 < len ? '\(\%>' .. (a:start+1) .. 'c.*$\)\@=' : '$')
+  if a:string !~ prefix .. group .. suffix
     let prefix = ''
   endif
-  return prefix . group . suffix
+  return prefix .. group .. suffix
 endfun
 
 " No extra arguments:  s:Ref(string, d) will
@@ -392,7 +405,7 @@ fun! s:Ref(string, d, ...)
     let match = a:string
     while cnt
       let cnt = cnt - 1
-      let index = matchend(match, s:notslash . '\\(')
+      let index = matchend(match, s:notslash .. '\\(')
       if index == -1
         return ""
       endif
@@ -404,7 +417,7 @@ fun! s:Ref(string, d, ...)
     endif
     let cnt = 1
     while cnt
-      let index = matchend(match, s:notslash . '\\(\|\\)') - 1
+      let index = matchend(match, s:notslash .. '\\(\|\\)') - 1
       if index == -2
         return ""
       endif
@@ -418,7 +431,7 @@ fun! s:Ref(string, d, ...)
   if a:0 == 1
     return len
   elseif a:0 == 2
-    return "let " . a:1 . "=" . start . "| let " . a:2 . "=" . len
+    return "let " .. a:1 .. "=" .. start .. "| let " .. a:2 .. "=" .. len
   else
     return strpart(a:string, start, len)
   endif
@@ -431,9 +444,9 @@ endfun
 fun! s:Count(string, pattern, ...)
   let pat = escape(a:pattern, '\\')
   if a:0 > 1
-    let foo = substitute(a:string, '[^'.a:pattern.']', "a:1", "g")
+    let foo = substitute(a:string, '[^' .. a:pattern .. ']', "a:1", "g")
     let foo = substitute(a:string, pat, a:2, "g")
-    let foo = substitute(foo, '[^' . a:2 . ']', "", "g")
+    let foo = substitute(foo, '[^' .. a:2 .. ']', "", "g")
     return strlen(foo)
   endif
   let result = 0
@@ -456,7 +469,7 @@ endfun
 " unless it is preceded by "\".
 fun! s:Resolve(source, target, output)
   let word = a:target
-  let i = matchend(word, s:notslash . '\\\d') - 1
+  let i = matchend(word, s:notslash .. '\\\d') - 1
   let table = "----------"
   while i != -2 " There are back references to be replaced.
     let d = word[i]
@@ -477,28 +490,28 @@ fun! s:Resolve(source, target, output)
       if table[s] == "-"
         if w + b < 10
           " let table[s] = w + b
-          let table = strpart(table, 0, s) . (w+b) . strpart(table, s+1)
+          let table = strpart(table, 0, s) .. (w+b) .. strpart(table, s+1)
         endif
         let b = b + 1
         let s = s + 1
       else
         execute s:Ref(backref, b, "start", "len")
         let ref = strpart(backref, start, len)
-        let backref = strpart(backref, 0, start) . ":". table[s]
-        \ . strpart(backref, start+len)
+        let backref = strpart(backref, 0, start) .. ":" .. table[s]
+        \ .. strpart(backref, start+len)
         let s = s + s:Count(substitute(ref, '\\\\', '', 'g'), '\(', '1')
       endif
     endwhile
-    let word = strpart(word, 0, i-1) . backref . strpart(word, i+1)
-    let i = matchend(word, s:notslash . '\\\d') - 1
+    let word = strpart(word, 0, i-1) .. backref .. strpart(word, i+1)
+    let i = matchend(word, s:notslash .. '\\\d') - 1
   endwhile
-  let word = substitute(word, s:notslash . '\zs:', '\\', 'g')
+  let word = substitute(word, s:notslash .. '\zs:', '\\', 'g')
   if a:output == "table"
     return table
   elseif a:output == "word"
     return word
   else
-    return table . word
+    return table .. word
   endif
 endfun
 
@@ -508,21 +521,21 @@ endfun
 " If <patn> is the first pattern that matches a:string then return <patn>
 " if no optional arguments are given; return <patn>,<altn> if a:1 is given.
 fun! s:Choose(patterns, string, comma, branch, prefix, suffix, ...)
-  let tail = (a:patterns =~ a:comma."$" ? a:patterns : a:patterns . a:comma)
-  let i = matchend(tail, s:notslash . a:comma)
+  let tail = (a:patterns =~ a:comma .. "$" ? a:patterns : a:patterns .. a:comma)
+  let i = matchend(tail, s:notslash .. a:comma)
   if a:0
-    let alttail = (a:1 =~ a:comma."$" ? a:1 : a:1 . a:comma)
-    let j = matchend(alttail, s:notslash . a:comma)
+    let alttail = (a:1 =~ a:comma .. "$" ? a:1 : a:1 .. a:comma)
+    let j = matchend(alttail, s:notslash .. a:comma)
   endif
   let current = strpart(tail, 0, i-1)
   if a:branch == ""
     let currpat = current
   else
-    let currpat = substitute(current, s:notslash . a:branch, '\\|', 'g')
+    let currpat = substitute(current, s:notslash .. a:branch, '\\|', 'g')
   endif
-  while a:string !~ a:prefix . currpat . a:suffix
+  while a:string !~ a:prefix .. currpat .. a:suffix
     let tail = strpart(tail, i)
-    let i = matchend(tail, s:notslash . a:comma)
+    let i = matchend(tail, s:notslash .. a:comma)
     if i == -1
       return -1
     endif
@@ -530,15 +543,15 @@ fun! s:Choose(patterns, string, comma, branch, prefix, suffix, ...)
     if a:branch == ""
       let currpat = current
     else
-      let currpat = substitute(current, s:notslash . a:branch, '\\|', 'g')
+      let currpat = substitute(current, s:notslash .. a:branch, '\\|', 'g')
     endif
     if a:0
       let alttail = strpart(alttail, j)
-      let j = matchend(alttail, s:notslash . a:comma)
+      let j = matchend(alttail, s:notslash .. a:comma)
     endif
   endwhile
   if a:0
-    let current = current . a:comma . strpart(alttail, 0, j-1)
+    let current = current .. a:comma .. strpart(alttail, 0, j-1)
   endif
   return current
 endfun
@@ -562,7 +575,7 @@ fun! matchit#Match_debug()
   " fin = 'endif' piece, with all backrefs resolved from match
   amenu &Matchit.&word  :echo b:match_word<CR>
   " '\'.d in ini refers to the same thing as '\'.table[d] in word.
-  amenu &Matchit.t&able :echo '0:' . b:match_table . ':9'<CR>
+  amenu &Matchit.t&able :echo '0:' .. b:match_table .. ':9'<CR>
 endfun
 
 " Jump to the nearest unmatched "(" or "if" or "<tag>" if a:spflag == "bW"
@@ -598,26 +611,26 @@ fun! matchit#MultiMatch(spflag, mode)
   endif
   if (match_words != s:last_words) || (&mps != s:last_mps) ||
     \ exists("b:match_debug")
-    let default = escape(&mps, '[$^.*~\\/?]') . (strlen(&mps) ? "," : "") .
+    let default = escape(&mps, '[$^.*~\\/?]') .. (strlen(&mps) ? "," : "") ..
       \ '\/\*:\*\/,#\s*if\%(n\=def\)\=:#\s*else\>:#\s*elif\>:#\s*endif\>'
     let s:last_mps = &mps
-    let match_words = match_words . (strlen(match_words) ? "," : "") . default
+    let match_words = match_words .. (strlen(match_words) ? "," : "") .. default
     let s:last_words = match_words
-    if match_words !~ s:notslash . '\\\d'
+    if match_words !~ s:notslash .. '\\\d'
       let s:do_BR = 0
       let s:pat = match_words
     else
       let s:do_BR = 1
       let s:pat = s:ParseWords(match_words)
     endif
-    let s:all = '\%(' . substitute(s:pat, '[,:]\+', '\\|', 'g') . '\)'
+    let s:all = '\%(' .. substitute(s:pat, '[,:]\+', '\\|', 'g') .. '\)'
     if exists("b:match_debug")
       let b:match_pat = s:pat
     endif
     " Reconstruct the version with unresolved backrefs.
-    let s:patBR = substitute(match_words.',',
-      \ s:notslash.'\zs[,:]*,[,:]*', ',', 'g')
-    let s:patBR = substitute(s:patBR, s:notslash.'\zs:\{2,}', ':', 'g')
+    let s:patBR = substitute(match_words .. ',',
+      \ s:notslash .. '\zs[,:]*,[,:]*', ',', 'g')
+    let s:patBR = substitute(s:patBR, s:notslash .. '\zs:\{2,}', ':', 'g')
   endif
 
   " Second step:  figure out the patterns for searchpair()
@@ -625,23 +638,23 @@ fun! matchit#MultiMatch(spflag, mode)
   " - TODO:  A lot of this is copied from matchit#Match_wrapper().
   " - maybe even more functionality should be split off
   " - into separate functions!
-  let openlist = split(s:pat . ',', s:notslash . '\zs:.\{-}' . s:notslash . ',')
-  let midclolist = split(',' . s:pat, s:notslash . '\zs,.\{-}' . s:notslash . ':')
-  call map(midclolist, {-> split(v:val, s:notslash . ':')})
+  let openlist = split(s:pat .. ',', s:notslash .. '\zs:.\{-}' .. s:notslash .. ',')
+  let midclolist = split(',' .. s:pat, s:notslash .. '\zs,.\{-}' .. s:notslash .. ':')
+  call map(midclolist, {-> split(v:val, s:notslash .. ':')})
   let closelist = []
   let middlelist = []
   call map(midclolist, {i,v -> [extend(closelist, v[-1 : -1]),
         \ extend(middlelist, v[0 : -2])]})
-  call map(openlist,   {i,v -> v =~# s:notslash . '\\|' ? '\%(' . v . '\)' : v})
-  call map(middlelist, {i,v -> v =~# s:notslash . '\\|' ? '\%(' . v . '\)' : v})
-  call map(closelist,  {i,v -> v =~# s:notslash . '\\|' ? '\%(' . v . '\)' : v})
+  call map(openlist,   {i,v -> v =~# s:notslash .. '\\|' ? '\%(' .. v .. '\)' : v})
+  call map(middlelist, {i,v -> v =~# s:notslash .. '\\|' ? '\%(' .. v .. '\)' : v})
+  call map(closelist,  {i,v -> v =~# s:notslash .. '\\|' ? '\%(' .. v .. '\)' : v})
   let open   = join(openlist, ',')
   let middle = join(middlelist, ',')
   let close  = join(closelist, ',')
   if exists("b:match_skip")
     let skip = b:match_skip
   elseif exists("b:match_comment") " backwards compatibility and testing!
-    let skip = "r:" . b:match_comment
+    let skip = "r:" .. b:match_comment
   else
     let skip = 's:comment\|string'
   endif
@@ -650,18 +663,18 @@ fun! matchit#MultiMatch(spflag, mode)
 
   " Third step: call searchpair().
   " Replace '\('--but not '\\('--with '\%(' and ',' with '\|'.
-  let openpat = substitute(open, '\%(' . s:notslash . '\)\@<=\\(', '\\%(', 'g')
+  let openpat = substitute(open, '\%(' .. s:notslash .. '\)\@<=\\(', '\\%(', 'g')
   let openpat = substitute(openpat, ',', '\\|', 'g')
-  let closepat = substitute(close, '\%(' . s:notslash . '\)\@<=\\(', '\\%(', 'g')
+  let closepat = substitute(close, '\%(' .. s:notslash .. '\)\@<=\\(', '\\%(', 'g')
   let closepat = substitute(closepat, ',', '\\|', 'g')
-  let middlepat = substitute(middle, '\%(' . s:notslash . '\)\@<=\\(', '\\%(', 'g')
+  let middlepat = substitute(middle, '\%(' .. s:notslash .. '\)\@<=\\(', '\\%(', 'g')
   let middlepat = substitute(middlepat, ',', '\\|', 'g')
 
   if skip =~ 'synID' && !(has("syntax") && exists("g:syntax_on"))
     let skip = '0'
   else
     try
-      execute "if " . skip . "| let skip = '0' | endif"
+      execute "if " .. skip .. "| let skip = '0' | endif"
     catch /^Vim\%((\a\+)\)\=:E363/
       " We won't find anything, so skip searching, should keep Vim responsive.
       return {}
@@ -744,11 +757,11 @@ fun! s:ParseSkip(str)
   let skip = a:str
   if skip[1] == ":"
     if skip[0] == "s"
-      let skip = "synIDattr(synID(line('.'),col('.'),1),'name') =~? '" .
-        \ strpart(skip,2) . "'"
+      let skip = "synIDattr(synID(line('.'),col('.'),1),'name') =~? '" ..
+        \ strpart(skip,2) .. "'"
     elseif skip[0] == "S"
-      let skip = "synIDattr(synID(line('.'),col('.'),1),'name') !~? '" .
-        \ strpart(skip,2) . "'"
+      let skip = "synIDattr(synID(line('.'),col('.'),1),'name') !~? '" ..
+        \ strpart(skip,2) .. "'"
     elseif skip[0] == "r"
       let skip = "strpart(getline('.'),0,col('.'))=~'" . strpart(skip,2). "'"
     elseif skip[0] == "R"

runtime/pack/dist/opt/matchit/doc/matchit.txt

@@ -4,7 +4,7 @@ For instructions on installing this file, type
 	`:help matchit-install`
 inside Vim.
 
-For Vim version 8.1.  Last change:  2021 Nov 13
+For Vim version 8.2.  Last change:  2021 Dec 24
 
 
 		  VIM REFERENCE MANUAL    by Benji Fisher et al
@@ -148,6 +148,13 @@ To use the matchit plugin add this line to your |vimrc|: >
 
 The script should start working the next time you start Vim.
 
+To use the matching plugin after startup, you can use this command (note the
+omitted '!'): >
+	packadd matchit
+
+To use the matchit plugin after Vim has started, execute this command: >
+       packadd matchit
+
 (Earlier versions of the script did nothing unless a |buffer-variable| named
 |b:match_words| was defined.  Even earlier versions contained autocommands
 that set this variable for various file types.  Now, |b:match_words| is
@@ -376,8 +383,8 @@ The back reference '\'.d refers to the same thing as '\'.b:match_table[d] in
 5. Known Bugs and Limitations				*matchit-bugs*
 
 Repository: https://github.com/chrisbra/matchit/
-Bugs can be reported at the repository (alternatively you can send me a mail).
-The latest development snapshot can also be downloaded there.
+Bugs can be reported at the repository and the latest development snapshot can
+also be downloaded there.
 
 Just because I know about a bug does not mean that it is on my todo list.  I
 try to respond to reports of bugs that cause real problems.  If it does not

runtime/pack/dist/opt/matchit/plugin/matchit.vim

@@ -1,7 +1,7 @@
 "  matchit.vim: (global plugin) Extended "%" matching
 "  Maintainer:  Christian Brabandt
-"  Version:     1.17
-"  Last Change: 2019 Oct 24
+"  Version:     1.18
+"  Last Change: 2020 Dec 23
 "  Repository:  https://github.com/chrisbra/matchit
 "  Previous URL:http://www.vim.org/script.php?script_id=39
 "  Previous Maintainer:  Benji Fisher PhD   <benji@member.AMS.org>
@@ -48,18 +48,12 @@ set cpo&vim
 
 nnoremap <silent> <Plug>(MatchitNormalForward)     :<C-U>call matchit#Match_wrapper('',1,'n')<CR>
 nnoremap <silent> <Plug>(MatchitNormalBackward)    :<C-U>call matchit#Match_wrapper('',0,'n')<CR>
-xnoremap <silent> <Plug>(MatchitVisualForward)     :<C-U>call matchit#Match_wrapper('',1,'v')<CR>m'gv``
+xnoremap <silent> <Plug>(MatchitVisualForward)     :<C-U>call matchit#Match_wrapper('',1,'v')<CR>
+      \:if col("''") != col("$") \| exe ":normal! m'" \| endif<cr>gv``
 xnoremap <silent> <Plug>(MatchitVisualBackward)    :<C-U>call matchit#Match_wrapper('',0,'v')<CR>m'gv``
 onoremap <silent> <Plug>(MatchitOperationForward)  :<C-U>call matchit#Match_wrapper('',1,'o')<CR>
 onoremap <silent> <Plug>(MatchitOperationBackward) :<C-U>call matchit#Match_wrapper('',0,'o')<CR>
 
-nmap <silent> %  <Plug>(MatchitNormalForward)
-nmap <silent> g% <Plug>(MatchitNormalBackward)
-xmap <silent> %  <Plug>(MatchitVisualForward)
-xmap <silent> g% <Plug>(MatchitVisualBackward)
-omap <silent> %  <Plug>(MatchitOperationForward)
-omap <silent> g% <Plug>(MatchitOperationBackward)
-
 " Analogues of [{ and ]} using matching patterns:
 nnoremap <silent> <Plug>(MatchitNormalMultiBackward)    :<C-U>call matchit#MultiMatch("bW", "n")<CR>
 nnoremap <silent> <Plug>(MatchitNormalMultiForward)     :<C-U>call matchit#MultiMatch("W",  "n")<CR>
@@ -68,16 +62,28 @@ xnoremap <silent> <Plug>(MatchitVisualMultiForward)     :<C-U>call matchit#Multi
 onoremap <silent> <Plug>(MatchitOperationMultiBackward) :<C-U>call matchit#MultiMatch("bW", "o")<CR>
 onoremap <silent> <Plug>(MatchitOperationMultiForward)  :<C-U>call matchit#MultiMatch("W",  "o")<CR>
 
-nmap <silent> [% <Plug>(MatchitNormalMultiBackward)
-nmap <silent> ]% <Plug>(MatchitNormalMultiForward)
-xmap <silent> [% <Plug>(MatchitVisualMultiBackward)
-xmap <silent> ]% <Plug>(MatchitVisualMultiForward)
-omap <silent> [% <Plug>(MatchitOperationMultiBackward)
-omap <silent> ]% <Plug>(MatchitOperationMultiForward)
-
 " text object:
 xmap <silent> <Plug>(MatchitVisualTextObject) <Plug>(MatchitVisualMultiBackward)o<Plug>(MatchitVisualMultiForward)
-xmap a% <Plug>(MatchitVisualTextObject)
+
+if !exists("g:no_plugin_maps")
+  nmap <silent> %  <Plug>(MatchitNormalForward)
+  nmap <silent> g% <Plug>(MatchitNormalBackward)
+  xmap <silent> %  <Plug>(MatchitVisualForward)
+  xmap <silent> g% <Plug>(MatchitVisualBackward)
+  omap <silent> %  <Plug>(MatchitOperationForward)
+  omap <silent> g% <Plug>(MatchitOperationBackward)
+
+  " Analogues of [{ and ]} using matching patterns:
+  nmap <silent> [% <Plug>(MatchitNormalMultiBackward)
+  nmap <silent> ]% <Plug>(MatchitNormalMultiForward)
+  xmap <silent> [% <Plug>(MatchitVisualMultiBackward)
+  xmap <silent> ]% <Plug>(MatchitVisualMultiForward)
+  omap <silent> [% <Plug>(MatchitOperationMultiBackward)
+  omap <silent> ]% <Plug>(MatchitOperationMultiForward)
+
+  " Text object
+  xmap a% <Plug>(MatchitVisualTextObject)
+endif
 
 " Call this function to turn on debugging information.  Every time the main
 " script is run, buffer variables will be saved.  These can be used directly

runtime/pack/dist/opt/termdebug/plugin/termdebug.vim

@@ -2,7 +2,7 @@
 "
 " Author: Bram Moolenaar
 " Copyright: Vim license applies, see ":help license"
-" Last Change: 2021 Nov 29
+" Last Change: 2021 Dec 16
 "
 " WORK IN PROGRESS - Only the basics work
 " Note: On MS-Windows you need a recent version of gdb.  The one included with
@@ -98,6 +98,10 @@ call s:Highlight(1, '', &background)
 hi default debugBreakpoint term=reverse ctermbg=red guibg=red
 hi default debugBreakpointDisabled term=reverse ctermbg=gray guibg=gray
 
+func s:GetCommand()
+  return type(g:termdebugger) == v:t_list ? copy(g:termdebugger) : [g:termdebugger]
+endfunc
+
 func s:StartDebug(bang, ...)
   " First argument is the command to debug, second core file or process ID.
   call s:StartDebug_internal({'gdb_args': a:000, 'bang': a:bang})
@@ -113,8 +117,9 @@ func s:StartDebug_internal(dict)
     echoerr 'Terminal debugger already running, cannot run two'
     return
   endif
-  if !executable(g:termdebugger)
-    echoerr 'Cannot execute debugger program "' .. g:termdebugger .. '"'
+  let gdbcmd = s:GetCommand()
+  if !executable(gdbcmd[0])
+    echoerr 'Cannot execute debugger program "' .. gdbcmd[0] .. '"'
     return
   endif
 
@@ -188,7 +193,7 @@ endfunc
 func s:CheckGdbRunning()
   let gdbproc = term_getjob(s:gdbbuf)
   if gdbproc == v:null || job_status(gdbproc) !=# 'run'
-    echoerr string(g:termdebugger) . ' exited unexpectedly'
+    echoerr string(s:GetCommand()[0]) . ' exited unexpectedly'
     call s:CloseBuffers()
     return ''
   endif
@@ -233,7 +238,7 @@ func s:StartDebug_term(dict)
   let gdb_args = get(a:dict, 'gdb_args', [])
   let proc_args = get(a:dict, 'proc_args', [])
 
-  let gdb_cmd = [g:termdebugger]
+  let gdb_cmd = s:GetCommand()
   " Add -quiet to avoid the intro message causing a hit-enter prompt.
   let gdb_cmd += ['-quiet']
   " Disable pagination, it causes everything to stop at the gdb
@@ -364,7 +369,7 @@ func s:StartDebug_prompt(dict)
   let gdb_args = get(a:dict, 'gdb_args', [])
   let proc_args = get(a:dict, 'proc_args', [])
 
-  let gdb_cmd = [g:termdebugger]
+  let gdb_cmd = s:GetCommand()
   " Add -quiet to avoid the intro message causing a hit-enter prompt.
   let gdb_cmd += ['-quiet']
   " Disable pagination, it causes everything to stop at the gdb, needs to be run early
@@ -585,7 +590,7 @@ endfunc
 " to the next ", unescaping characters:
 " - remove line breaks
 " - change \\t to \t
-" - change \0xhh to \xhh
+" - change \0xhh to \xhh (disabled for now)
 " - change \ooo to octal
 " - change \\ to \
 func s:DecodeMessage(quotedText)
@@ -594,12 +599,21 @@ func s:DecodeMessage(quotedText)
     return
   endif
   return a:quotedText
-        \->substitute('^"\|".*\|\\n', '', 'g')
-        \->substitute('\\t', "\t", 'g')
-        \->substitute('\\0x\(\x\x\)', {-> eval('"\x' .. submatch(1) .. '"')}, 'g')
-        \->substitute('\\\o\o\o', {-> eval('"' .. submatch(0) .. '"')}, 'g')
-        \->substitute('\\\\', '\', 'g')
+        \ ->substitute('^"\|".*\|\\n', '', 'g')
+        \ ->substitute('\\t', "\t", 'g')
+        " multi-byte characters arrive in octal form
+        " NULL-values must be kept encoded as those break the string otherwise
+        \ ->substitute('\\000', s:NullRepl, 'g')
+        \ ->substitute('\\\o\o\o', {-> eval('"' .. submatch(0) .. '"')}, 'g')
+        " Note: GDB docs also mention hex encodings - the translations below work
+        "       but we keep them out for performance-reasons until we actually see
+        "       those in mi-returns
+        " \ ->substitute('\\0x\(\x\x\)', {-> eval('"\x' .. submatch(1) .. '"')}, 'g')
+        " \ ->substitute('\\0x00', s:NullRepl, 'g')
+        \ ->substitute('\\\\', '\', 'g')
+        \ ->substitute(s:NullRepl, '\\000', 'g')
 endfunc
+const s:NullRepl = 'XXXNULLXXX'
 
 " Extract the "name" value from a gdb message with fullname="name".
 func s:GetFullname(msg)
@@ -1081,10 +1095,19 @@ let s:evalFromBalloonExpr = 0
 
 " Handle the result of data-evaluate-expression
 func s:HandleEvaluate(msg)
-  let value = substitute(a:msg, '.*value="\(.*\)"', '\1', '')
-  let value = substitute(value, '\\"', '"', 'g')
-  " multi-byte characters arrive in octal form
-  let value = substitute(value, '\\\o\o\o', {-> eval('"' .. submatch(0) .. '"')}, 'g')
+  let value = a:msg
+    \ ->substitute('.*value="\(.*\)"', '\1', '')
+    \ ->substitute('\\"', '"', 'g')
+    \ ->substitute('\\\\', '\\', 'g')
+    "\ multi-byte characters arrive in octal form, replace everthing but NULL values
+    \ ->substitute('\\000', s:NullRepl, 'g')
+    \ ->substitute('\\\o\o\o', {-> eval('"' .. submatch(0) .. '"')}, 'g')
+    "\ Note: GDB docs also mention hex encodings - the translations below work
+    "\       but we keep them out for performance-reasons until we actually see
+    "\       those in mi-returns
+    "\ ->substitute('\\0x00', s:NullRep, 'g')
+    "\ ->substitute('\\0x\(\x\x\)', {-> eval('"\x' .. submatch(1) .. '"')}, 'g')
+    \ ->substitute(s:NullRepl, '\\000', 'g')
   if s:evalFromBalloonExpr
     if s:evalFromBalloonExprResult == ''
       let s:evalFromBalloonExprResult = s:evalexpr . ': ' . value

runtime/scripts.vim

@@ -384,7 +384,7 @@ else
     set ft=scheme
 
   " Git output
-  elseif s:line1 =~# '^\(commit\|tree\|object\) \x\{40\}\>\|^tag \S\+$'
+  elseif s:line1 =~# '^\(commit\|tree\|object\) \x\{40,\}\>\|^tag \S\+$'
     set ft=git
 
    " Gprof (gnu profiler)

runtime/syntax/c.vim

@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:	C
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2021 May 24
+" Last Change:	2021 Dec 07
 
 " Quit when a (custom) syntax file was already loaded
 if exists("b:current_syntax")
@@ -196,7 +196,6 @@ syn match	cNumber		display contained "0x\x\+\(u\=l\{0,2}\|ll\=u\)\>"
 " Flag the first zero of an octal number as something special
 syn match	cOctal		display contained "0\o\+\(u\=l\{0,2}\|ll\=u\)\>" contains=cOctalZero
 syn match	cOctalZero	display contained "\<0"
-syn match	cFloat		display contained "\d\+f"
 "floating point number, with dot, optional exponent
 syn match	cFloat		display contained "\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\="
 "floating point number, starting with a dot, optional exponent

runtime/syntax/css.vim

@@ -7,7 +7,7 @@
 "               Nikolai Weibull (Add CSS2 support)
 " URL:          https://github.com/vim-language-dept/css-syntax.vim
 " Maintainer:   Jay Sitter <jay@jaysitter.com>
-" Last Change:  2021 Oct 15
+" Last Change:  2021 Oct 20
 
 " quit when a syntax file was already loaded
 if !exists("main_syntax")
@@ -116,7 +116,7 @@ syn keyword cssColor contained ActiveBorder ActiveCaption AppWorkspace ButtonFac
 syn case ignore
 
 syn match cssImportant contained "!\s*important\>"
-syn match cssCustomProp contained "--[a-zA-Z0-9-_]*"
+syn match cssCustomProp contained "\<--[a-zA-Z0-9-_]*\>"
 
 syn match cssColor contained "\<transparent\>"
 syn match cssColor contained "\<currentColor\>"
@@ -126,6 +126,7 @@ syn match cssColor contained "#\x\{6\}\>" contains=cssUnitDecorators
 syn match cssColor contained "#\x\{8\}\>" contains=cssUnitDecorators
 
 syn region cssURL contained matchgroup=cssFunctionName start="\<\(uri\|url\|local\|format\)\s*(" end=")" contains=cssStringQ,cssStringQQ oneline
+syn region cssMathGroup contained matchgroup=cssMathParens start="(" end=")" containedin=cssFunction,cssMathGroup contains=cssCustomProp,cssValue.*,cssFunction,cssColor,cssStringQ,cssStringQQ oneline
 syn region cssFunction contained matchgroup=cssFunctionName start="\<\(var\|calc\)\s*(" end=")" contains=cssCustomProp,cssValue.*,cssFunction,cssColor,cssStringQ,cssStringQQ oneline
 syn region cssFunction contained matchgroup=cssFunctionName start="\<\(rgb\|clip\|attr\|counter\|rect\|cubic-bezier\|steps\)\s*(" end=")" oneline  contains=cssValueInteger,cssValueNumber,cssValueLength,cssFunctionComma
 syn region cssFunction contained matchgroup=cssFunctionName start="\<\(rgba\|hsl\|hsla\|color-stop\|from\|to\)\s*(" end=")" oneline  contains=cssColor,cssValueInteger,cssValueNumber,cssValueLength,cssFunctionComma,cssFunction
@@ -395,9 +396,9 @@ syn match cssUIAttr contained '\<preserve-3d\>'
 syn match cssIEUIAttr contained '\<bicubic\>'
 
 " Webkit/iOS specific properties
-syn match cssUIProp contained '\<tap-highlight-color\|user-select\|touch-callout\>'
+syn match cssUIProp contained '\<\(tap-highlight-color\|user-select\|touch-callout\)\>'
 " IE specific properties
-syn match cssIEUIProp contained '\<interpolation-mode\|zoom\|filter\>'
+syn match cssIEUIProp contained '\<\(interpolation-mode\|zoom\|filter\)\>'
 
 " Webkit/Firebox specific properties/attributes
 syn keyword cssUIProp contained appearance
@@ -423,11 +424,15 @@ syn keyword cssAuralAttr contained male female child code digits continuous
 syn match cssMobileTextProp contained "\<text-size-adjust\>"
 
 syn keyword cssMediaProp contained width height orientation scan
-syn match cssMediaProp contained /\(\(max\|min\)-\)\=\(\(device\)-\)\=aspect-ratio/
-syn match cssMediaProp contained /\(\(max\|min\)-\)\=device-pixel-ratio/
-syn match cssMediaProp contained /\(\(max\|min\)-\)\=device-\(height\|width\)/
-syn match cssMediaProp contained /\(\(max\|min\)-\)\=\(height\|width\|resolution\|monochrome\|color\(-index\)\=\)/
+syn keyword cssMediaProp contained any-hover any-pointer color-gamut grid hover
+syn keyword cssMediaProp contained overflow-block overflow-inline pointer update
+syn match cssMediaProp contained /\<\(\(max\|min\)-\)\=\(\(device\)-\)\=aspect-ratio\>/
+syn match cssMediaProp contained /\<\(\(max\|min\)-\)\=device-pixel-ratio\>/
+syn match cssMediaProp contained /\<\(\(max\|min\)-\)\=device-\(height\|width\)\>/
+syn match cssMediaProp contained /\<\(\(max\|min\)-\)\=\(height\|width\|resolution\|monochrome\|color\(-index\)\=\)\>/
 syn keyword cssMediaAttr contained portrait landscape progressive interlace
+syn keyword cssMediaAttr contained coarse fast fine hover infinite p3 paged
+syn keyword cssMediaAttr contained rec2020 scroll slow srgb
 syn match cssKeyFrameProp contained /\(\d\+\(\.\d\+\)\?%\|\(\<from\|to\>\)\)/ nextgroup=cssDefinition
 syn match cssPageMarginProp /@\(\(top\|left\|right\|bottom\)-\(left\|center\|right\|middle\|bottom\)\)\(-corner\)\=/ contained nextgroup=cssDefinition
 syn keyword cssPageProp contained content size
@@ -445,17 +450,17 @@ syn match cssBraceError "}"
 syn match cssAttrComma ","
 
 " Pseudo class
-" http://www.w3.org/TR/css3-selectors/
+" https://www.w3.org/TR/selectors-4/
 syn match cssPseudoClass ":[A-Za-z0-9_-]*" contains=cssNoise,cssPseudoClassId,cssUnicodeEscape,cssVendor,cssPseudoClassFn
 syn keyword cssPseudoClassId contained link visited active hover before after left right
-syn keyword cssPseudoClassId contained root empty target enable disabled checked invalid
+syn keyword cssPseudoClassId contained root empty target enabled disabled checked invalid
 syn match cssPseudoClassId contained "\<first-\(line\|letter\)\>"
 syn match cssPseudoClassId contained "\<\(first\|last\|only\)-\(of-type\|child\)\>"
-syn region cssPseudoClassFn contained matchgroup=cssFunctionName start="\<\(not\|lang\|\(nth\|nth-last\)-\(of-type\|child\)\)(" end=")" contains=cssStringQ,cssStringQQ
+syn match cssPseudoClassId contained  "\<focus\(-within\|-visible\)\=\>"
+syn region cssPseudoClassFn contained matchgroup=cssFunctionName start="\<\(not\|is\|lang\|\(nth\|nth-last\)-\(of-type\|child\)\)(" end=")" contains=cssStringQ,cssStringQQ,cssTagName,cssAttributeSelector,cssClassName,cssIdentifier
 " ------------------------------------
 " Vendor specific properties
 syn match cssPseudoClassId contained  "\<selection\>"
-syn match cssPseudoClassId contained  "\<focus\(-inner\)\=\>"
 syn match cssPseudoClassId contained  "\<\(input-\)\=placeholder\>"
 
 " Misc highlight groups

runtime/syntax/debcontrol.vim

@@ -3,7 +3,7 @@
 " Maintainer:  Debian Vim Maintainers
 " Former Maintainers: Gerfried Fuchs <alfie@ist.org>
 "                     Wichert Akkerman <wakkerma@debian.org>
-" Last Change: 2020 Oct 26
+" Last Change: 2021 Nov 26
 " URL: https://salsa.debian.org/vim-team/vim-debian/blob/master/syntax/debcontrol.vim
 
 " Standard syntax initialization
@@ -91,6 +91,11 @@ syn case ignore
 
 " Handle all fields from deb-src-control(5)
 
+" Catch-all for the legal fields
+syn region debcontrolField matchgroup=debcontrolKey start="^\%(\%(XSBC-Original-\)\=Maintainer\|Standards-Version\|Bugs\|Origin\|X[SB]-Python-Version\|\%(XS-\)\=Vcs-Mtn\|\%(XS-\)\=Testsuite\%(-Triggers\)\=\|Build-Profiles\|Tag\|Subarchitecture\|Kernel-Version\|Installer-Menu-Item\): " end="$" contains=debcontrolVariable,debcontrolEmail oneline
+syn region debcontrolMultiField matchgroup=debcontrolKey start="^\%(Build-\%(Conflicts\|Depends\)\%(-Arch\|-Indep\)\=\|\%(Pre-\)\=Depends\|Recommends\|Suggests\|Breaks\|Enhances\|Replaces\|Conflicts\|Provides\|Built-Using\|Uploaders\|X[SBC]\{0,3\}\%(Private-\)\=-[-a-zA-Z0-9]\+\): *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=debcontrolEmail,debcontrolVariable,debcontrolComment
+syn region debcontrolMultiFieldSpell matchgroup=debcontrolKey start="^Description: *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=debcontrolEmail,debcontrolVariable,debcontrolComment,@Spell
+
 " Fields for which we do strict syntax checking
 syn region debcontrolStrictField matchgroup=debcontrolKey start="^Architecture: *" end="$" contains=debcontrolArchitecture,debcontrolSpace oneline
 syn region debcontrolStrictField matchgroup=debcontrolKey start="^Multi-Arch: *" end="$" contains=debcontrolMultiArch oneline
@@ -99,20 +104,15 @@ syn region debcontrolStrictField matchgroup=debcontrolKey start="^Priority: *" e
 syn region debcontrolStrictField matchgroup=debcontrolKey start="^Section: *" end="$" contains=debcontrolSection oneline
 syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XC-\)\=Package-Type: *" end="$" contains=debcontrolPackageType oneline
 syn region debcontrolStrictField matchgroup=debcontrolKey start="^Homepage: *" end="$" contains=debcontrolHTTPUrl oneline keepend
-syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XS-\)\=Vcs-\%(Browser\|Arch\|Bzr\|Darcs\|Hg\): *" end="$" contains=debcontrolHTTPUrl oneline keepend
-syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XS-\)\=Vcs-Svn: *" end="$" contains=debcontrolVcsSvn,debcontrolHTTPUrl oneline keepend
-syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XS-\)\=Vcs-Cvs: *" end="$" contains=debcontrolVcsCvs oneline keepend
-syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XS-\)\=Vcs-Git: *" end="$" contains=debcontrolVcsGit oneline keepend
+syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XS-[-a-zA-Z0-9]\+-\)\=Vcs-\%(Browser\|Arch\|Bzr\|Darcs\|Hg\): *" end="$" contains=debcontrolHTTPUrl oneline keepend
+syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XS-[-a-zA-Z0-9]\+-\)\=Vcs-Svn: *" end="$" contains=debcontrolVcsSvn,debcontrolHTTPUrl oneline keepend
+syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XS-[-a-zA-Z0-9]\+-\)\=Vcs-Cvs: *" end="$" contains=debcontrolVcsCvs oneline keepend
+syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XS-[-a-zA-Z0-9]\+-\)\=Vcs-Git: *" end="$" contains=debcontrolVcsGit oneline keepend
 syn region debcontrolStrictField matchgroup=debcontrolKey start="^Rules-Requires-Root: *" end="$" contains=debcontrolR3 oneline
 syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(Build-\)\=Essential: *" end="$" contains=debcontrolYesNo oneline
 
 syn region debcontrolStrictField matchgroup=debcontrolDeprecatedKey start="^\%(XS-\)\=DM-Upload-Allowed: *" end="$" contains=debcontrolDmUpload oneline
 
-" Catch-all for the other legal fields
-syn region debcontrolField matchgroup=debcontrolKey start="^\%(\%(XSBC-Original-\)\=Maintainer\|Standards-Version\|Bugs\|Origin\|X[SB]-Python-Version\|\%(XS-\)\=Vcs-Mtn\|\%(XS-\)\=Testsuite\%(-Triggers\)\=\|Build-Profiles\|Tag\|Subarchitecture\|Kernel-Version\|Installer-Menu-Item\): " end="$" contains=debcontrolVariable,debcontrolEmail oneline
-syn region debcontrolMultiField matchgroup=debcontrolKey start="^\%(Build-\%(Conflicts\|Depends\)\%(-Arch\|-Indep\)\=\|\%(Pre-\)\=Depends\|Recommends\|Suggests\|Breaks\|Enhances\|Replaces\|Conflicts\|Provides\|Built-Using\|Uploaders\|X[SBC]\{0,3\}\%(Private-\)\=-[-a-zA-Z0-9]\+\): *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=debcontrolEmail,debcontrolVariable,debcontrolComment
-syn region debcontrolMultiFieldSpell matchgroup=debcontrolKey start="^Description: *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=debcontrolEmail,debcontrolVariable,debcontrolComment,@Spell
-
 " Associate our matches and regions with pretty colours
 hi def link debcontrolKey           Keyword
 hi def link debcontrolField         Normal

runtime/syntax/dep3patch.vim

@@ -0,0 +1,57 @@
+" Vim syntax file
+" Language:    Debian DEP3 Patch headers
+" Maintainer:  Gabriel Filion <gabster@lelutin.ca>
+" Last Change: 2021-01-09
+" URL: https://salsa.debian.org/vim-team/vim-debian/blob/master/syntax/dep3patch.vim
+"
+" Specification of the DEP3 patch header format is available at:
+"   https://dep-team.pages.debian.net/deps/dep3/
+
+" Standard syntax initialization
+if exists('b:current_syntax')
+  finish
+endif
+
+runtime! syntax/diff.vim
+unlet! b:current_syntax
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+syn region dep3patchHeaders start="\%^" end="^\%(---\)\@=" contains=dep3patchKey,dep3patchMultiField
+
+syn case ignore
+
+syn region dep3patchMultiField matchgroup=dep3patchKey start="^\%(Description\|Subject\)\ze: *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contained contains=@Spell
+syn region dep3patchMultiField matchgroup=dep3patchKey start="^Origin\ze: *" end="$" contained contains=dep3patchHTTPUrl,dep3patchCommitID,dep3patchOriginCategory oneline keepend
+syn region dep3patchMultiField matchgroup=dep3patchKey start="^Bug\%(-[[:graph:]]\+\)\?\ze: *" end="$" contained contains=dep3patchHTTPUrl oneline keepend
+syn region dep3patchMultiField matchgroup=dep3patchKey start="^Forwarded\ze: *" end="$" contained contains=dep3patchHTTPUrl,dep3patchForwardedShort oneline keepend
+syn region dep3patchMultiField matchgroup=dep3patchKey start="^\%(Author\|From\)\ze: *" end="$" contained contains=dep3patchEmail oneline keepend
+syn region dep3patchMultiField matchgroup=dep3patchKey start="^\%(Reviewed-by\|Acked-by\)\ze: *" end="$" contained contains=dep3patchEmail oneline keepend
+syn region dep3patchMultiField matchgroup=dep3patchKey start="^Last-Updated\ze: *" end="$" contained contains=dep3patchISODate oneline keepend
+syn region dep3patchMultiField matchgroup=dep3patchKey start="^Applied-Upstream\ze: *" end="$" contained contains=dep3patchHTTPUrl,dep3patchCommitID oneline keepend
+
+syn match dep3patchHTTPUrl contained "\vhttps?://[[:alnum:]][-[:alnum:]]*[[:alnum:]]?(\.[[:alnum:]][-[:alnum:]]*[[:alnum:]]?)*\.[[:alpha:]][-[:alnum:]]*[[:alpha:]]?(:\d+)?(/[^[:space:]]*)?$"
+syn match dep3patchCommitID contained "commit:[[:alnum:]]\+"
+syn match dep3patchOriginCategory contained "\%(upstream\|backport\|vendor\|other\), "
+syn match dep3patchForwardedShort contained "\%(yes\|no\|not-needed\), "
+syn match dep3patchEmail "[_=[:alnum:]\.+-]\+@[[:alnum:]\./\-]\+"
+syn match dep3patchEmail "<.\{-}>"
+syn match dep3patchISODate "[[:digit:]]\{4}-[[:digit:]]\{2}-[[:digit:]]\{2}"
+
+" Associate our matches and regions with pretty colours
+hi def link dep3patchKey            Keyword
+hi def link dep3patchOriginCategory Keyword
+hi def link dep3patchForwardedShort Keyword
+hi def link dep3patchMultiField     Normal
+hi def link dep3patchHTTPUrl        Identifier
+hi def link dep3patchCommitID       Identifier
+hi def link dep3patchEmail          Identifier
+hi def link dep3patchISODate        Identifier
+
+let b:current_syntax = 'dep3patch'
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: ts=8 sw=2

runtime/syntax/dtd.vim

@@ -45,7 +45,7 @@ if !exists("dtd_no_tag_errors")
     syn region dtdError contained start=+<!+lc=2 end=+>+
 endif
 
-" if this is a html like comment hightlight also
+" if this is a html like comment highlight also
 " the opening <! and the closing > as Comment.
 syn region dtdComment		start=+<![ \t]*--+ end=+-->+ contains=dtdTodo,@Spell
 
@@ -99,8 +99,8 @@ syn match   dtdEntity		      "&[^; \t]*;" contains=dtdEntityPunct
 syn match   dtdEntityPunct  contained "[&.;]"
 
 " Strings are between quotes
-syn region dtdString    start=+"+ skip=+\\\\\|\\"+  end=+"+ contains=dtdAttrDef,dtdAttrType,dtdEnum,dtdParamEntityInst,dtdEntity,dtdCard
-syn region dtdString    start=+'+ skip=+\\\\\|\\'+  end=+'+ contains=dtdAttrDef,dtdAttrType,dtdEnum,dtdParamEntityInst,dtdEntity,dtdCard
+syn region dtdString    start=+"+ skip=+\\\\\|\\"+  end=+"+ contains=dtdAttrDef,dtdAttrType,dtdParamEntityInst,dtdEntity,dtdCard
+syn region dtdString    start=+'+ skip=+\\\\\|\\'+  end=+'+ contains=dtdAttrDef,dtdAttrType,dtdParamEntityInst,dtdEntity,dtdCard
 
 " Enumeration of elements or data between parenthesis
 "

runtime/syntax/i3config.vim

@@ -0,0 +1,256 @@
+" Vim syntax file
+" Language: i3 config file
+" Maintainer: Mohamed Boughaba <mohamed dot bgb at gmail dot com>
+" Version: 0.4
+" Last Change: 2021 Dec 14
+
+" References:
+" http://i3wm.org/docs/userguide.html#configuring
+" http://vimdoc.sourceforge.net/htmldoc/syntax.html
+"
+"
+" Quit when a syntax file was already loaded
+if exists("b:current_syntax")
+  finish
+endif
+
+scriptencoding utf-8
+
+" Error
+syn match i3ConfigError /.*/
+
+" Todo
+syn keyword i3ConfigTodo TODO FIXME XXX contained
+
+" Comment
+" Comments are started with a # and can only be used at the beginning of a line
+syn match i3ConfigComment /^\s*#.*$/ contains=i3ConfigTodo
+
+" Font
+" A FreeType font description is composed by:
+" a font family, a style, a weight, a variant, a stretch and a size.
+syn match i3ConfigFontSeparator /,/ contained
+syn match i3ConfigFontSeparator /:/ contained
+syn keyword i3ConfigFontKeyword font contained
+syn match i3ConfigFontNamespace /\w\+:/ contained contains=i3ConfigFontSeparator
+syn match i3ConfigFontContent /-\?\w\+\(-\+\|\s\+\|,\)/ contained contains=i3ConfigFontNamespace,i3ConfigFontSeparator,i3ConfigFontKeyword
+syn match i3ConfigFontSize /\s\=\d\+\(px\)\?\s\?$/ contained
+syn match i3ConfigFont /^\s*font\s\+.*$/ contains=i3ConfigFontContent,i3ConfigFontSeparator,i3ConfigFontSize,i3ConfigFontNamespace
+syn match i3ConfigFont /^\s*font\s\+.*\(\\\_.*\)\?$/ contains=i3ConfigFontContent,i3ConfigFontSeparator,i3ConfigFontSize,i3ConfigFontNamespace
+syn match i3ConfigFont /^\s*font\s\+.*\(\\\_.*\)\?[^\\]\+$/ contains=i3ConfigFontContent,i3ConfigFontSeparator,i3ConfigFontSize,i3ConfigFontNamespace
+syn match i3ConfigFont /^\s*font\s\+\(\(.*\\\_.*\)\|\(.*[^\\]\+$\)\)/ contains=i3ConfigFontContent,i3ConfigFontSeparator,i3ConfigFontSize,i3ConfigFontNamespace
+
+" variables
+syn match i3ConfigString /\(['"]\)\(.\{-}\)\1/ contained
+syn match i3ConfigColor /#\w\{6}/ contained
+syn match i3ConfigVariableModifier /+/ contained
+syn match i3ConfigVariableAndModifier /+\w\+/ contained contains=i3ConfigVariableModifier
+syn match i3ConfigVariable /\$\w\+\(\(-\w\+\)\+\)\?\(\s\|+\)\?/ contains=i3ConfigVariableModifier,i3ConfigVariableAndModifier
+syn keyword i3ConfigInitializeKeyword set contained
+syn match i3ConfigInitialize /^\s*set\s\+.*$/ contains=i3ConfigVariable,i3ConfigInitializeKeyword,i3ConfigColor,i3ConfigString
+
+" Gaps
+syn keyword i3ConfigGapStyleKeyword inner outer horizontal vertical top right bottom left current all set plus minus toggle up down contained
+syn match i3ConfigGapStyle /^\s*\(gaps\)\s\+\(inner\|outer\|horizontal\|vertical\|left\|top\|right\|bottom\)\(\s\+\(current\|all\)\)\?\(\s\+\(set\|plus\|minus\|toggle\)\)\?\(\s\+\(-\?\d\+\|\$.*\)\)$/ contains=i3ConfigGapStyleKeyword,i3ConfigNumber,i3ConfigVariable
+syn keyword i3ConfigSmartGapKeyword on inverse_outer contained
+syn match i3ConfigSmartGap /^\s*smart_gaps\s\+\(on\|inverse_outer\)\s\?$/ contains=i3ConfigSmartGapKeyword
+syn keyword i3ConfigSmartBorderKeyword on no_gaps contained
+syn match i3ConfigSmartBorder /^\s*smart_borders\s\+\(on\|no_gaps\)\s\?$/ contains=i3ConfigSmartBorderKeyword
+
+" Keyboard bindings
+syn keyword i3ConfigAction toggle fullscreen restart key import kill shrink grow contained
+syn keyword i3ConfigAction focus move grow height width split layout resize restore reload mute unmute exit mode workspace container to contained
+syn match i3ConfigModifier /\w\++\w\+\(\(+\w\+\)\+\)\?/ contained contains=i3ConfigVariableModifier
+syn match i3ConfigNumber /\s\d\+/ contained
+syn match i3ConfigUnit /\sp\(pt\|x\)/ contained
+syn match i3ConfigUnitOr /\sor/ contained
+syn keyword i3ConfigBindKeyword bindsym bindcode exec gaps border contained
+syn match i3ConfigBindArgument /--\w\+\(\(-\w\+\)\+\)\?\s/ contained
+syn match i3ConfigBind /^\s*\(bindsym\|bindcode\)\s\+.*$/ contains=i3ConfigVariable,i3ConfigBindKeyword,i3ConfigVariableAndModifier,i3ConfigNumber,i3ConfigUnit,i3ConfigUnitOr,i3ConfigBindArgument,i3ConfigModifier,i3ConfigAction,i3ConfigString,i3ConfigGapStyleKeyword,i3ConfigBorderStyleKeyword
+
+" Floating
+syn keyword i3ConfigSizeSpecial x contained
+syn match i3ConfigNegativeSize /-/ contained
+syn match i3ConfigSize /-\?\d\+\s\?x\s\?-\?\d\+/ contained contains=i3ConfigSizeSpecial,i3ConfigNumber,i3ConfigNegativeSize
+syn match i3ConfigFloating /^\s*floating_modifier\s\+\$\w\+\d\?/ contains=i3ConfigVariable
+syn match i3ConfigFloating /^\s*floating_\(maximum\|minimum\)_size\s\+-\?\d\+\s\?x\s\?-\?\d\+/ contains=i3ConfigSize
+
+" Orientation
+syn keyword i3ConfigOrientationKeyword vertical horizontal auto contained
+syn match i3ConfigOrientation /^\s*default_orientation\s\+\(vertical\|horizontal\|auto\)\s\?$/ contains=i3ConfigOrientationKeyword
+
+" Layout
+syn keyword i3ConfigLayoutKeyword default stacking tabbed contained
+syn match i3ConfigLayout /^\s*workspace_layout\s\+\(default\|stacking\|tabbed\)\s\?$/ contains=i3ConfigLayoutKeyword
+
+" Border style
+syn keyword i3ConfigBorderStyleKeyword none normal pixel contained
+syn match i3ConfigBorderStyle /^\s*\(new_window\|new_float\|default_border\|default_floating_border\)\s\+\(none\|\(normal\|pixel\)\(\s\+\d\+\)\?\(\s\+\$\w\+\(\(-\w\+\)\+\)\?\(\s\|+\)\?\)\?\)\s\?$/ contains=i3ConfigBorderStyleKeyword,i3ConfigNumber,i3ConfigVariable
+
+" Hide borders and edges
+syn keyword i3ConfigEdgeKeyword none vertical horizontal both smart smart_no_gaps contained
+syn match i3ConfigEdge /^\s*hide_edge_borders\s\+\(none\|vertical\|horizontal\|both\|smart\|smart_no_gaps\)\s\?$/ contains=i3ConfigEdgeKeyword
+
+" Arbitrary commands for specific windows (for_window)
+syn keyword i3ConfigCommandKeyword for_window contained
+syn region i3ConfigWindowStringSpecial start=+"+  skip=+\\"+  end=+"+ contained contains=i3ConfigString
+syn region i3ConfigWindowCommandSpecial start="\[" end="\]" contained contains=i3ConfigWindowStringSpacial,i3ConfigString
+syn match i3ConfigArbitraryCommand /^\s*for_window\s\+.*$/ contains=i3ConfigWindowCommandSpecial,i3ConfigCommandKeyword,i3ConfigBorderStyleKeyword,i3ConfigLayoutKeyword,i3ConfigOrientationKeyword,Size,i3ConfigNumber
+
+" Disable focus open opening
+syn keyword i3ConfigNoFocusKeyword no_focus contained
+syn match i3ConfigDisableFocus /^\s*no_focus\s\+.*$/ contains=i3ConfigWindowCommandSpecial,i3ConfigNoFocusKeyword
+
+" Move client to specific workspace automatically
+syn keyword i3ConfigAssignKeyword assign contained
+syn match i3ConfigAssignSpecial /→/ contained
+syn match i3ConfigAssign /^\s*assign\s\+.*$/ contains=i3ConfigAssignKeyword,i3ConfigWindowCommandSpecial,i3ConfigAssignSpecial
+
+" X resources
+syn keyword i3ConfigResourceKeyword set_from_resource contained
+syn match i3ConfigResource /^\s*set_from_resource\s\+.*$/ contains=i3ConfigResourceKeyword,i3ConfigWindowCommandSpecial,i3ConfigColor,i3ConfigVariable
+
+" Auto start applications
+syn keyword i3ConfigExecKeyword exec exec_always contained
+syn match i3ConfigNoStartupId /--no-startup-id/ contained " We are not using i3ConfigBindArgument as only no-startup-id is supported here
+syn match i3ConfigExec /^\s*exec\(_always\)\?\s\+.*$/ contains=i3ConfigExecKeyword,i3ConfigNoStartupId,i3ConfigString
+
+" Automatically putting workspaces on specific screens
+syn keyword i3ConfigWorkspaceKeyword workspace contained
+syn keyword i3ConfigOutput output contained
+syn match i3ConfigWorkspace /^\s*workspace\s\+.*$/ contains=i3ConfigWorkspaceKeyword,i3ConfigNumber,i3ConfigString,i3ConfigOutput
+
+" Changing colors
+syn keyword i3ConfigClientColorKeyword client focused focused_inactive unfocused urgent placeholder background contained
+syn match i3ConfigClientColor /^\s*client.\w\+\s\+.*$/ contains=i3ConfigClientColorKeyword,i3ConfigColor,i3ConfigVariable
+
+syn keyword i3ConfigTitleAlignKeyword left center right contained
+syn match i3ConfigTitleAlign /^\s*title_align\s\+.*$/ contains=i3ConfigTitleAlignKeyword
+
+" Interprocess communication
+syn match i3ConfigInterprocessKeyword /ipc-socket/ contained
+syn match i3ConfigInterprocess /^\s*ipc-socket\s\+.*$/ contains=i3ConfigInterprocessKeyword
+
+" Mouse warping
+syn keyword i3ConfigMouseWarpingKeyword mouse_warping contained
+syn keyword i3ConfigMouseWarpingType output none contained
+syn match i3ConfigMouseWarping /^\s*mouse_warping\s\+\(output\|none\)\s\?$/ contains=i3ConfigMouseWarpingKeyword,i3ConfigMouseWarpingType
+
+" Focus follows mouse
+syn keyword i3ConfigFocusFollowsMouseKeyword focus_follows_mouse contained
+syn keyword i3ConfigFocusFollowsMouseType yes no contained
+syn match i3ConfigFocusFollowsMouse /^\s*focus_follows_mouse\s\+\(yes\|no\)\s\?$/ contains=i3ConfigFocusFollowsMouseKeyword,i3ConfigFocusFollowsMouseType
+
+" Popups during fullscreen mode
+syn keyword i3ConfigPopupOnFullscreenKeyword popup_during_fullscreen contained
+syn keyword i3ConfigPopuponFullscreenType smart ignore leave_fullscreen contained
+syn match i3ConfigPopupOnFullscreen /^\s*popup_during_fullscreen\s\+\w\+\s\?$/ contains=i3ConfigPopupOnFullscreenKeyword,i3ConfigPopupOnFullscreenType
+
+" Focus wrapping
+syn keyword i3ConfigFocusWrappingKeyword force_focus_wrapping focus_wrapping contained
+syn keyword i3ConfigFocusWrappingType yes no contained
+syn match i3ConfigFocusWrapping /^\s*\(force_\)\?focus_wrapping\s\+\(yes\|no\)\s\?$/ contains=i3ConfigFocusWrappingType,i3ConfigFocusWrappingKeyword
+
+" Forcing Xinerama
+syn keyword i3ConfigForceXineramaKeyword force_xinerama contained
+syn match i3ConfigForceXinerama /^\s*force_xinerama\s\+\(yes\|no\)\s\?$/ contains=i3ConfigFocusWrappingType,i3ConfigForceXineramaKeyword
+
+" Automatic back-and-forth when switching to the current workspace
+syn keyword i3ConfigAutomaticSwitchKeyword workspace_auto_back_and_forth contained
+syn match i3ConfigAutomaticSwitch /^\s*workspace_auto_back_and_forth\s\+\(yes\|no\)\s\?$/ contains=i3ConfigFocusWrappingType,i3ConfigAutomaticSwitchKeyword
+
+" Delay urgency hint
+syn keyword i3ConfigTimeUnit ms contained
+syn keyword i3ConfigDelayUrgencyKeyword force_display_urgency_hint contained
+syn match i3ConfigDelayUrgency /^\s*force_display_urgency_hint\s\+\d\+\s\+ms\s\?$/ contains=i3ConfigFocusWrappingType,i3ConfigDelayUrgencyKeyword,i3ConfigNumber,i3ConfigTimeUnit
+
+" Focus on window activation
+syn keyword i3ConfigFocusOnActivationKeyword focus_on_window_activation contained
+syn keyword i3ConfigFocusOnActivationType smart urgent focus none contained
+syn match i3ConfigFocusOnActivation /^\s*focus_on_window_activation\s\+\(smart\|urgent\|focus\|none\)\s\?$/  contains=i3ConfigFocusOnActivationKeyword,i3ConfigFocusOnActivationType
+
+" Automatic back-and-forth when switching to the current workspace
+syn keyword i3ConfigDrawingMarksKeyword show_marks contained
+syn match i3ConfigDrawingMarks /^\s*show_marks\s\+\(yes\|no\)\s\?$/ contains=i3ConfigFocusWrappingType,i3ConfigDrawingMarksKeyword
+
+" Group mode/bar
+syn keyword i3ConfigBlockKeyword mode bar colors i3bar_command status_command position exec mode hidden_state modifier id position output background statusline tray_output tray_padding separator separator_symbol workspace_buttons strip_workspace_numbers binding_mode_indicator focused_workspace active_workspace inactive_workspace urgent_workspace binding_mode contained
+syn region i3ConfigBlock start=+.*s\?{$+ end=+^}$+ contains=i3ConfigBlockKeyword,i3ConfigString,i3ConfigBind,i3ConfigComment,i3ConfigFont,i3ConfigFocusWrappingType,i3ConfigColor,i3ConfigVariable transparent keepend extend
+
+" Line continuation
+syn region i3ConfigLineCont start=/^.*\\$/ end=/^.*$/ contains=i3ConfigBlockKeyword,i3ConfigString,i3ConfigBind,i3ConfigComment,i3ConfigFont,i3ConfigFocusWrappingType,i3ConfigColor,i3ConfigVariable transparent keepend extend
+
+" Define the highlighting.
+hi def link i3ConfigError                           Error
+hi def link i3ConfigTodo                            Todo
+hi def link i3ConfigComment                         Comment
+hi def link i3ConfigFontContent                     Type
+hi def link i3ConfigFocusOnActivationType           Type
+hi def link i3ConfigPopupOnFullscreenType           Type
+hi def link i3ConfigOrientationKeyword              Type
+hi def link i3ConfigMouseWarpingType                Type
+hi def link i3ConfigFocusFollowsMouseType           Type
+hi def link i3ConfigGapStyleKeyword                 Type
+hi def link i3ConfigTitleAlignKeyword               Type
+hi def link i3ConfigSmartGapKeyword                 Type
+hi def link i3ConfigSmartBorderKeyword              Type
+hi def link i3ConfigLayoutKeyword                   Type
+hi def link i3ConfigBorderStyleKeyword              Type
+hi def link i3ConfigEdgeKeyword                     Type
+hi def link i3ConfigAction                          Type
+hi def link i3ConfigCommand                         Type
+hi def link i3ConfigOutput                          Type
+hi def link i3ConfigWindowCommandSpecial            Type
+hi def link i3ConfigFocusWrappingType               Type
+hi def link i3ConfigUnitOr                          Type
+hi def link i3ConfigFontSize                        Constant
+hi def link i3ConfigColor                           Constant
+hi def link i3ConfigNumber                          Constant
+hi def link i3ConfigUnit                            Constant
+hi def link i3ConfigVariableAndModifier             Constant
+hi def link i3ConfigTimeUnit                        Constant
+hi def link i3ConfigModifier                        Constant
+hi def link i3ConfigString                          Constant
+hi def link i3ConfigNegativeSize                    Constant
+hi def link i3ConfigFontSeparator                   Special
+hi def link i3ConfigVariableModifier                Special
+hi def link i3ConfigSizeSpecial                     Special
+hi def link i3ConfigWindowSpecial                   Special
+hi def link i3ConfigAssignSpecial                   Special
+hi def link i3ConfigFontNamespace                   PreProc
+hi def link i3ConfigBindArgument                    PreProc
+hi def link i3ConfigNoStartupId                     PreProc
+hi def link i3ConfigFontKeyword                     Identifier
+hi def link i3ConfigBindKeyword                     Identifier
+hi def link i3ConfigOrientation                     Identifier
+hi def link i3ConfigGapStyle                        Identifier
+hi def link i3ConfigTitleAlign                      Identifier
+hi def link i3ConfigSmartGap                        Identifier
+hi def link i3ConfigSmartBorder                     Identifier
+hi def link i3ConfigLayout                          Identifier
+hi def link i3ConfigBorderStyle                     Identifier
+hi def link i3ConfigEdge                            Identifier
+hi def link i3ConfigFloating                        Identifier
+hi def link i3ConfigCommandKeyword                  Identifier
+hi def link i3ConfigNoFocusKeyword                  Identifier
+hi def link i3ConfigInitializeKeyword               Identifier
+hi def link i3ConfigAssignKeyword                   Identifier
+hi def link i3ConfigResourceKeyword                 Identifier
+hi def link i3ConfigExecKeyword                     Identifier
+hi def link i3ConfigWorkspaceKeyword                Identifier
+hi def link i3ConfigClientColorKeyword              Identifier
+hi def link i3ConfigInterprocessKeyword             Identifier
+hi def link i3ConfigMouseWarpingKeyword             Identifier
+hi def link i3ConfigFocusFollowsMouseKeyword        Identifier
+hi def link i3ConfigPopupOnFullscreenKeyword        Identifier
+hi def link i3ConfigFocusWrappingKeyword            Identifier
+hi def link i3ConfigForceXineramaKeyword            Identifier
+hi def link i3ConfigAutomaticSwitchKeyword          Identifier
+hi def link i3ConfigDelayUrgencyKeyword             Identifier
+hi def link i3ConfigFocusOnActivationKeyword        Identifier
+hi def link i3ConfigDrawingMarksKeyword             Identifier
+hi def link i3ConfigBlockKeyword                    Identifier
+hi def link i3ConfigVariable                        Statement
+hi def link i3ConfigArbitraryCommand                Type
+
+let b:current_syntax = "i3config"

runtime/syntax/python.vim

@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:	Python
 " Maintainer:	Zvezdan Petkovic <zpetkovic@acm.org>
-" Last Change:	2021 Feb 15
+" Last Change:	2021 Dec 10
 " Credits:	Neil Schemenauer <nas@python.ca>
 "		Dmitry Vasiliev
 "
@@ -77,13 +77,14 @@ endif
 "
 " The list can be checked using:
 "
-" python3 -c 'import keyword, pprint; pprint.pprint(keyword.kwlist, compact=True)'
+" python3 -c 'import keyword, pprint; pprint.pprint(keyword.kwlist + keyword.softkwlist, compact=True)'
 "
 syn keyword pythonStatement	False None True
 syn keyword pythonStatement	as assert break continue del global
 syn keyword pythonStatement	lambda nonlocal pass return with yield
 syn keyword pythonStatement	class def nextgroup=pythonFunction skipwhite
 syn keyword pythonConditional	elif else if
+syn keyword pythonConditional	case match
 syn keyword pythonRepeat	for while
 syn keyword pythonOperator	and in is not or
 syn keyword pythonException	except finally raise try

runtime/syntax/texinfo.vim

@@ -1,396 +1,46 @@
 " Vim syntax file
-" Language:	Texinfo (macro package for TeX)
-" Maintainer:	Sandor Kopanyi <sandor.kopanyi@mailbox.hu>
-" URL:		<->
-" Last Change:	2004 Jun 23
-"
-" the file follows the Texinfo manual structure; this file is based
-" on manual for Texinfo version 4.0, 28 September 1999
-" since @ can have special meanings, everything is 'match'-ed and 'region'-ed
-" (including @ in 'iskeyword' option has unexpected effects)
+" Language:         Texinfo (documentation format)
+" Maintainer:       Robert Dodier <robert.dodier@gmail.com>
+" Latest Revision:  2021-12-15
 
-" quit when a syntax file was already loaded
 if exists("b:current_syntax")
   finish
 endif
 
-if !exists("main_syntax")
-  let main_syntax = 'texinfo'
+let s:cpo_save = &cpo
+set cpo&vim
+
+syn match texinfoControlSequence display '\(@end [a-zA-Z@]\+\|@[a-zA-Z@]\+\)'
+
+syn match texinfoComment         display '^\s*\(@comment\|@c\)\>.*$'
+
+syn region texinfoCode matchgroup=texinfoControlSequence start="@code{" end="}" contains=ALL
+syn region texinfoVerb matchgroup=texinfoControlSequence start="@verb{" end="}" contains=ALL
+
+syn region texinfoArgument matchgroup=texinfoBrace start="{" end="}" contains=ALLBUT
+
+syn region texinfoExample matchgroup=texinfoControlSequence start="^@example\s*$" end="^@end example\s*$" contains=ALL
+
+syn region texinfoVerbatim matchgroup=texinfoControlSequence start="^@verbatim\s*$" end="^@end verbatim\s*$"
+
+syn region texinfoMenu matchgroup=texinfoControlSequence start="^@menu\s*$" end="^@end menu\s*$"
+
+if exists("g:texinfo_delimiters")
+  syn match texinfoDelimiter display '[][{}]'
 endif
 
-"in Texinfo can be real big things, like tables; sync for that
-syn sync lines=200
-
-"some general stuff
-"syn match texinfoError     "\S" contained TODO
-syn match texinfoIdent	    "\k\+"		  contained "IDENTifier
-syn match texinfoAssignment "\k\+\s*=\s*\k\+\s*$" contained "assigment statement ( var = val )
-syn match texinfoSinglePar  "\k\+\s*$"		  contained "single parameter (used for several @-commands)
-syn match texinfoIndexPar   "\k\k\s*$"		  contained "param. used for different *index commands (+ @documentlanguage command)
-
-
-"marking words and phrases (chap. 9 in Texinfo manual)
-"(almost) everything appears as 'contained' too; is for tables (@table)
-
-"this chapter is at the beginning of this file to avoid overwritings
-
-syn match texinfoSpecialChar				    "@acronym"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@acronym{" end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@b"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@b{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@cite"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@cite{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@code"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@code{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@command"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@command{" end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@dfn"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@dfn{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@email"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@email{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@emph"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@emph{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@env"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@env{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@file"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@file{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@i"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@i{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@kbd"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@kbd{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@key"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@key{"	end="}" contains=texinfoSpecialChar
-syn match texinfoSpecialChar				    "@option"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@option{"	end="}" contains=texinfoSpecialChar
-syn match texinfoSpecialChar				    "@r"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@r{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@samp"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@samp{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@sc"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@sc{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@strong"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@strong{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@t"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@t{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@url"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@url{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@var"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@var{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoAtCmd "^@kbdinputstyle" nextgroup=texinfoSinglePar skipwhite
-
-
-"overview of Texinfo (chap. 1 in Texinfo manual)
-syn match texinfoComment  "@c .*"
-syn match texinfoComment  "@c$"
-syn match texinfoComment  "@comment .*"
-syn region texinfoMltlnAtCmd matchgroup=texinfoComment start="^@ignore\s*$" end="^@end ignore\s*$" contains=ALL
-
-
-"beginning a Texinfo file (chap. 3 in Texinfo manual)
-syn region texinfoPrmAtCmd     matchgroup=texinfoAtCmd start="@center "		 skip="\\$" end="$"		       contains=texinfoSpecialChar,texinfoBrcPrmAtCmd oneline
-syn region texinfoMltlnDMAtCmd matchgroup=texinfoAtCmd start="^@detailmenu\s*$"		    end="^@end detailmenu\s*$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn region texinfoPrmAtCmd     matchgroup=texinfoAtCmd start="^@setfilename "    skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd     matchgroup=texinfoAtCmd start="^@settitle "       skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd     matchgroup=texinfoAtCmd start="^@shorttitlepage " skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd     matchgroup=texinfoAtCmd start="^@title "		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoBrcPrmAtCmd  matchgroup=texinfoAtCmd start="@titlefont{"		    end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn region texinfoMltlnAtCmd   matchgroup=texinfoAtCmd start="^@titlepage\s*$"		    end="^@end titlepage\s*$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd,texinfoMltlnDMAtCmd,texinfoAtCmd,texinfoPrmAtCmd,texinfoMltlnAtCmd
-syn region texinfoPrmAtCmd     matchgroup=texinfoAtCmd start="^@vskip "		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn match texinfoAtCmd "^@exampleindent"     nextgroup=texinfoSinglePar skipwhite
-syn match texinfoAtCmd "^@headings"	     nextgroup=texinfoSinglePar skipwhite
-syn match texinfoAtCmd "^\\input"	     nextgroup=texinfoSinglePar skipwhite
-syn match texinfoAtCmd "^@paragraphindent"   nextgroup=texinfoSinglePar skipwhite
-syn match texinfoAtCmd "^@setchapternewpage" nextgroup=texinfoSinglePar skipwhite
-
-
-"ending a Texinfo file (chap. 4 in Texinfo manual)
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="@author " skip="\\$" end="$" contains=texinfoSpecialChar oneline
-"all below @bye should be comment TODO
-syn match texinfoAtCmd "^@bye\s*$"
-syn match texinfoAtCmd "^@contents\s*$"
-syn match texinfoAtCmd "^@printindex" nextgroup=texinfoIndexPar skipwhite
-syn match texinfoAtCmd "^@setcontentsaftertitlepage\s*$"
-syn match texinfoAtCmd "^@setshortcontentsaftertitlepage\s*$"
-syn match texinfoAtCmd "^@shortcontents\s*$"
-syn match texinfoAtCmd "^@summarycontents\s*$"
-
-
-"chapter structuring (chap. 5 in Texinfo manual)
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@appendix"		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@appendixsec"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@appendixsection"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@appendixsubsec"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@appendixsubsubsec"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@centerchap"		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@chapheading"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@chapter"		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@heading"		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@majorheading"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@section"		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@subheading "	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@subsection"		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@subsubheading"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@subsubsection"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@subtitle"		 skip="\\$" end="$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@unnumbered"		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@unnumberedsec"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@unnumberedsubsec"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@unnumberedsubsubsec" skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn match  texinfoAtCmd "^@lowersections\s*$"
-syn match  texinfoAtCmd "^@raisesections\s*$"
-
-
-"nodes (chap. 6 in Texinfo manual)
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@anchor{"		  end="}"
-syn region texinfoPrmAtCmd    matchgroup=texinfoAtCmd start="^@top"    skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd    matchgroup=texinfoAtCmd start="^@node"   skip="\\$" end="$" contains=texinfoSpecialChar oneline
-
-
-"menus (chap. 7 in Texinfo manual)
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@menu\s*$" end="^@end menu\s*$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd,texinfoMltlnDMAtCmd
-
-
-"cross references (chap. 8 in Texinfo manual)
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@inforef{" end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@pxref{"   end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@ref{"     end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@uref{"    end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@xref{"    end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-
-
-"marking words and phrases (chap. 9 in Texinfo manual)
-"(almost) everything appears as 'contained' too; is for tables (@table)
-
-"this chapter is at the beginning of this file to avoid overwritings
-
-
-"quotations and examples (chap. 10 in Texinfo manual)
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@cartouche\s*$"	    end="^@end cartouche\s*$"	    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@display\s*$"	    end="^@end display\s*$"	    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@example\s*$"	    end="^@end example\s*$"	    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@flushleft\s*$"	    end="^@end flushleft\s*$"	    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@flushright\s*$"	    end="^@end flushright\s*$"	    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@format\s*$"	    end="^@end format\s*$"	    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@lisp\s*$"		    end="^@end lisp\s*$"	    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@quotation\s*$"	    end="^@end quotation\s*$"	    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@smalldisplay\s*$"     end="^@end smalldisplay\s*$"    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@smallexample\s*$"     end="^@end smallexample\s*$"    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@smallformat\s*$"	    end="^@end smallformat\s*$"     contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@smalllisp\s*$"	    end="^@end smalllisp\s*$"	    contains=ALL
-syn region texinfoPrmAtCmd   matchgroup=texinfoAtCmd start="^@exdent"	 skip="\\$" end="$"			    contains=texinfoSpecialChar oneline
-syn match texinfoAtCmd "^@noindent\s*$"
-syn match texinfoAtCmd "^@smallbook\s*$"
-
-
-"lists and tables (chap. 11 in Texinfo manual)
-syn match texinfoAtCmd "@asis"		   contained
-syn match texinfoAtCmd "@columnfractions"  contained
-syn match texinfoAtCmd "@item"		   contained
-syn match texinfoAtCmd "@itemx"		   contained
-syn match texinfoAtCmd "@tab"		   contained
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@enumerate"  end="^@end enumerate\s*$"  contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@ftable"     end="^@end ftable\s*$"     contains=ALL
-syn region texinfoMltlnNAtCmd matchgroup=texinfoAtCmd start="^@itemize"    end="^@end itemize\s*$"    contains=ALL
-syn region texinfoMltlnNAtCmd matchgroup=texinfoAtCmd start="^@multitable" end="^@end multitable\s*$" contains=ALL
-syn region texinfoMltlnNAtCmd matchgroup=texinfoAtCmd start="^@table"      end="^@end table\s*$"      contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@vtable"     end="^@end vtable\s*$"     contains=ALL
-
-
-"indices (chap. 12 in Texinfo manual)
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@\(c\|f\|k\|p\|t\|v\)index"   skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@..index"			 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-"@defcodeindex and @defindex is defined after chap. 15's @def* commands (otherwise those ones will overwrite these ones)
-syn match texinfoSIPar "\k\k\s*\k\k\s*$" contained
-syn match texinfoAtCmd "^@syncodeindex" nextgroup=texinfoSIPar skipwhite
-syn match texinfoAtCmd "^@synindex"     nextgroup=texinfoSIPar skipwhite
-
-"special insertions (chap. 13 in Texinfo manual)
-syn match texinfoSpecialChar "@\(!\|?\|@\|\s\)"
-syn match texinfoSpecialChar "@{"
-syn match texinfoSpecialChar "@}"
-"accents
-syn match texinfoSpecialChar "@=."
-syn match texinfoSpecialChar "@\('\|\"\|\^\|`\)[aeiouyAEIOUY]"
-syn match texinfoSpecialChar "@\~[aeinouyAEINOUY]"
-syn match texinfoSpecialChar "@dotaccent{.}"
-syn match texinfoSpecialChar "@H{.}"
-syn match texinfoSpecialChar "@,{[cC]}"
-syn match texinfoSpecialChar "@AA{}"
-syn match texinfoSpecialChar "@aa{}"
-syn match texinfoSpecialChar "@L{}"
-syn match texinfoSpecialChar "@l{}"
-syn match texinfoSpecialChar "@O{}"
-syn match texinfoSpecialChar "@o{}"
-syn match texinfoSpecialChar "@ringaccent{.}"
-syn match texinfoSpecialChar "@tieaccent{..}"
-syn match texinfoSpecialChar "@u{.}"
-syn match texinfoSpecialChar "@ubaraccent{.}"
-syn match texinfoSpecialChar "@udotaccent{.}"
-syn match texinfoSpecialChar "@v{.}"
-"ligatures
-syn match texinfoSpecialChar "@AE{}"
-syn match texinfoSpecialChar "@ae{}"
-syn match texinfoSpecialChar "@copyright{}"
-syn match texinfoSpecialChar "@bullet" contained "for tables and lists
-syn match texinfoSpecialChar "@bullet{}"
-syn match texinfoSpecialChar "@dotless{i}"
-syn match texinfoSpecialChar "@dotless{j}"
-syn match texinfoSpecialChar "@dots{}"
-syn match texinfoSpecialChar "@enddots{}"
-syn match texinfoSpecialChar "@equiv" contained "for tables and lists
-syn match texinfoSpecialChar "@equiv{}"
-syn match texinfoSpecialChar "@error{}"
-syn match texinfoSpecialChar "@exclamdown{}"
-syn match texinfoSpecialChar "@expansion{}"
-syn match texinfoSpecialChar "@minus" contained "for tables and lists
-syn match texinfoSpecialChar "@minus{}"
-syn match texinfoSpecialChar "@OE{}"
-syn match texinfoSpecialChar "@oe{}"
-syn match texinfoSpecialChar "@point" contained "for tables and lists
-syn match texinfoSpecialChar "@point{}"
-syn match texinfoSpecialChar "@pounds{}"
-syn match texinfoSpecialChar "@print{}"
-syn match texinfoSpecialChar "@questiondown{}"
-syn match texinfoSpecialChar "@result" contained "for tables and lists
-syn match texinfoSpecialChar "@result{}"
-syn match texinfoSpecialChar "@ss{}"
-syn match texinfoSpecialChar "@TeX{}"
-"other
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@dmn{"      end="}"
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@footnote{" end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@image{"    end="}"
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@math{"     end="}"
-syn match texinfoAtCmd "@footnotestyle" nextgroup=texinfoSinglePar skipwhite
-
-
-"making and preventing breaks (chap. 14 in Texinfo manual)
-syn match texinfoSpecialChar  "@\(\*\|-\|\.\)"
-syn match texinfoAtCmd	      "^@need"	   nextgroup=texinfoSinglePar skipwhite
-syn match texinfoAtCmd	      "^@page\s*$"
-syn match texinfoAtCmd	      "^@sp"	   nextgroup=texinfoSinglePar skipwhite
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@group\s*$"   end="^@end group\s*$" contains=ALL
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@hyphenation{" end="}"
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@w{"	    end="}"		  contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-
-
-"definition commands (chap. 15 in Texinfo manual)
-syn match texinfoMltlnAtCmdFLine "^@def\k\+" contained
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@def\k\+" end="^@end def\k\+$"      contains=ALL
-
-"next 2 commands are from chap. 12; must be defined after @def* commands above to overwrite them
-syn match texinfoAtCmd "@defcodeindex" nextgroup=texinfoIndexPar skipwhite
-syn match texinfoAtCmd "@defindex" nextgroup=texinfoIndexPar skipwhite
-
-
-"conditionally visible text (chap. 16 in Texinfo manual)
-syn match texinfoAtCmd "^@clear" nextgroup=texinfoSinglePar skipwhite
-syn region texinfoMltln2AtCmd matchgroup=texinfoAtCmd start="^@html\s*$"	end="^@end html\s*$"
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@ifclear"		end="^@end ifclear\s*$"   contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@ifhtml"		end="^@end ifhtml\s*$"	  contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@ifinfo"		end="^@end ifinfo\s*$"	  contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@ifnothtml"	end="^@end ifnothtml\s*$" contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@ifnotinfo"	end="^@end ifnotinfo\s*$" contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@ifnottex"	end="^@end ifnottex\s*$"  contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@ifset"		end="^@end ifset\s*$"	  contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@iftex"		end="^@end iftex\s*$"	  contains=ALL
-syn region texinfoPrmAtCmd    matchgroup=texinfoAtCmd start="^@set " skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoTexCmd			      start="\$\$"		end="\$\$" contained
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@tex"		end="^@end tex\s*$"	  contains=texinfoTexCmd
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@value{"		end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-
-
-"internationalization (chap. 17 in Texinfo manual)
-syn match texinfoAtCmd "@documentencoding" nextgroup=texinfoSinglePar skipwhite
-syn match texinfoAtCmd "@documentlanguage" nextgroup=texinfoIndexPar skipwhite
-
-
-"defining new texinfo commands (chap. 18 in Texinfo manual)
-syn match texinfoAtCmd	"@alias"		      nextgroup=texinfoAssignment skipwhite
-syn match texinfoDIEPar "\S*\s*,\s*\S*\s*,\s*\S*\s*$" contained
-syn match texinfoAtCmd	"@definfoenclose"	      nextgroup=texinfoDIEPar	  skipwhite
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@macro" end="^@end macro\s*$" contains=ALL
-
-
-"formatting hardcopy (chap. 19 in Texinfo manual)
-syn match texinfoAtCmd "^@afourlatex\s*$"
-syn match texinfoAtCmd "^@afourpaper\s*$"
-syn match texinfoAtCmd "^@afourwide\s*$"
-syn match texinfoAtCmd "^@finalout\s*$"
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@pagesizes" end="$" oneline
-
-
-"creating and installing Info Files (chap. 20 in Texinfo manual)
-syn region texinfoPrmAtCmd   matchgroup=texinfoAtCmd start="^@dircategory"  skip="\\$" end="$" oneline
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@direntry\s*$"	       end="^@end direntry\s*$" contains=texinfoSpecialChar
-syn match  texinfoAtCmd "^@novalidate\s*$"
-
-
-"include files (appendix E in Texinfo manual)
-syn match texinfoAtCmd "^@include" nextgroup=texinfoSinglePar skipwhite
-
-
-"page headings (appendix F in Texinfo manual)
-syn match texinfoHFSpecialChar "@|"		  contained
-syn match texinfoThisAtCmd     "@thischapter"	  contained
-syn match texinfoThisAtCmd     "@thischaptername" contained
-syn match texinfoThisAtCmd     "@thisfile"	  contained
-syn match texinfoThisAtCmd     "@thispage"	  contained
-syn match texinfoThisAtCmd     "@thistitle"	  contained
-syn match texinfoThisAtCmd     "@today{}"	  contained
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@evenfooting"  skip="\\$" end="$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd,texinfoThisAtCmd,texinfoHFSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@evenheading"  skip="\\$" end="$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd,texinfoThisAtCmd,texinfoHFSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@everyfooting" skip="\\$" end="$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd,texinfoThisAtCmd,texinfoHFSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@everyheading" skip="\\$" end="$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd,texinfoThisAtCmd,texinfoHFSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@oddfooting"   skip="\\$" end="$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd,texinfoThisAtCmd,texinfoHFSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@oddheading"   skip="\\$" end="$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd,texinfoThisAtCmd,texinfoHFSpecialChar oneline
-
-
-"refilling paragraphs (appendix H in Texinfo manual)
-syn match  texinfoAtCmd "@refill"
-
-
-syn cluster texinfoAll contains=ALLBUT,texinfoThisAtCmd,texinfoHFSpecialChar
-syn cluster texinfoReducedAll contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-"==============================================================================
-" highlighting
-
-" Only when an item doesn't have highlighting yet
-
-hi def link texinfoSpecialChar	Special
-hi def link texinfoHFSpecialChar	Special
-
-hi def link texinfoError		Error
-hi def link texinfoIdent		Identifier
-hi def link texinfoAssignment	Identifier
-hi def link texinfoSinglePar	Identifier
-hi def link texinfoIndexPar	Identifier
-hi def link texinfoSIPar		Identifier
-hi def link texinfoDIEPar		Identifier
-hi def link texinfoTexCmd		PreProc
-
-
-hi def link texinfoAtCmd		Statement	"@-command
-hi def link texinfoPrmAtCmd	String		"@-command in one line with unknown nr. of parameters
-					      "is String because is found as a region and is 'matchgroup'-ed
-					      "to texinfoAtCmd
-hi def link texinfoBrcPrmAtCmd	String		"@-command with parameter(s) in braces ({})
-					      "is String because is found as a region and is 'matchgroup'-ed to texinfoAtCmd
-hi def link texinfoMltlnAtCmdFLine  texinfoAtCmd	"repeated embedded First lines in @-commands
-hi def link texinfoMltlnAtCmd	String		"@-command in multiple lines
-					      "is String because is found as a region and is 'matchgroup'-ed to texinfoAtCmd
-hi def link texinfoMltln2AtCmd	PreProc		"@-command in multiple lines (same as texinfoMltlnAtCmd, just with other colors)
-hi def link texinfoMltlnDMAtCmd	PreProc		"@-command in multiple lines (same as texinfoMltlnAtCmd, just with other colors; used for @detailmenu, which can be included in @menu)
-hi def link texinfoMltlnNAtCmd	Normal		"@-command in multiple lines (same as texinfoMltlnAtCmd, just with other colors)
-hi def link texinfoThisAtCmd	Statement	"@-command used in headers and footers (@this... series)
-
-hi def link texinfoComment	Comment
-
-
+hi def link texinfoDelimiter       Delimiter
+hi def link texinfoComment         Comment
+hi def link texinfoControlSequence Identifier
+hi def link texinfoBrace           Operator
+hi def link texinfoArgument        Special
+hi def link texinfoExample         String
+hi def link texinfoVerbatim        String
+hi def link texinfoVerb            String
+hi def link texinfoCode            String
+hi def link texinfoMenu            String
 
 let b:current_syntax = "texinfo"
 
-if main_syntax == 'texinfo'
-  unlet main_syntax
-endif
-
-" vim: ts=8
+let &cpo = s:cpo_save
+unlet s:cpo_save

runtime/syntax/vim.vim

@@ -1,8 +1,8 @@
 " Vim syntax file
 " Language:	Vim 8.2 script
 " Maintainer:	Charles E. Campbell <NcampObell@SdrPchip.AorgM-NOSPAM>
-" Last Change:	December 02, 2021
-" Version:	8.2-18
+" Last Change:	December 29, 2021
+" Version:	8.2-23
 " URL:	http://www.drchip.org/astronaut/vim/index.html#SYNTAX_VIM
 " Automatically generated keyword lists: {{{1
 
@@ -19,34 +19,34 @@ syn keyword vimTodo contained	COMBAK	FIXME	TODO	XXX
 syn cluster vimCommentGroup	contains=vimTodo,@Spell
 
 " regular vim commands {{{2
-syn keyword vimCommand contained	a ar[gs] argl[ocal] ba[ll] bl[ast] brea[k] buffers ca caf[ter] cbo[ttom] cex[pr] cgete[xpr] cl[ist] cn[ext] colo[rscheme] cons[t] cs d[elete] delel delf[unction] dif[fupdate] difft[his] dli[st] ds[earch] echoc[onsole] em[enu] endw[hile] export filt[er] fo[ld] fu[nction] gvim helpt[ags] iabc[lear] import isp[lit] keepa l[ist] laf[ter] lbel[ow] lcscope lf[ile] lgr[ep] lli[st] lnf[ile] lol[der] lt[ag] lw[indow] menut[ranslate] mkvie[w] nbc[lose] noh[lsearch] ol[dfiles] pa[ckadd] po[p] prof[ile] pta[g] ptr[ewind] py3f[ile] pythonx quita[ll] redraws[tatus] rew[ind] rubyf[ile] sIg sa[rgument] sba[ll] sbr[ewind] scl scscope sfir[st] sgl sic sin sm[ap] snoreme spelld[ump] spellw[rong] srg sta[g] sts[elect] sus[pend] syncbind tabN[ext] tabl[ast] tabr[ewind] tcld[o] tj[ump] tlu tno[remap] tu[nmenu] undol[ist] v vie[w] vne[w] wh[ile] wn[ext] wv[iminfo] xmenu xunme
-syn keyword vimCommand contained	ab arga[dd] argu[ment] bad[d] bm[odified] breaka[dd] bun[load] cabc[lear] cal[l] cc cf[ile] changes cla[st] cnew[er] com cope[n] cscope debug delep dell diffg[et] dig[raphs] do dsp[lit] echoe[rr] en[dif] ene[w] exu[sage] fin[d] foldc[lose] g h[elp] hi if in iuna[bbrev] keepalt la[st] lan[guage] lbo[ttom] ld[o] lfdo lgrepa[dd] lma lo[adview] lop[en] lua m[ove] mes[sages] mod[e] nbs[tart] nor omapc[lear] packl[oadall] popu[p] profd[el] ptf[irst] pts[elect] py3f[ile] pyx r[ead] redrawt[abline] ri[ght] rundo sIl sal[l] sbf[irst] sc scp se[t] sg sgn sie sip sme snoremenu spelli[nfo] spr[evious] sri star[tinsert] substitutepattern sv[iew] syntime tabc[lose] tabm[ove] tabs tclf[ile] tl[ast] tlunmenu to[pleft] tunma[p] unh[ide] var vim9[cmd] vs[plit] win[size] wp[revious] x[it] xnoreme xunmenu
-syn keyword vimCommand contained	abc[lear] argd[elete] as[cii] balt bn[ext] breakd[el] bw[ipeout] cabo[ve] cat[ch] ccl[ose] cfdo chd[ir] class cnf[ile] comc[lear] cp[revious] cstag debugg[reedy] deletel delm[arks] diffo[ff] dir doau e[dit] echom[sg] enddef eval f[ile] fina[lly] foldd[oopen] go[to] ha[rdcopy] hid[e] ij[ump] inor j[oin] keepj[umps] lab[ove] lat lc[d] le[ft] lfir[st] lh[elpgrep] lmak[e] loadk lp[revious] luado ma[rk] mk[exrc] mz[scheme] new nore on[ly] pc[lose] pp[op] promptf[ind] ptj[ump] pu[t] py[thon] pyxdo rec[over] reg[isters] rightb[elow] rv[iminfo] sIn san[dbox] sbl[ast] scI scr[iptnames] setf[iletype] sgI sgp sig sir smenu so[urce] spellr[are] sr srl startg[replace] substituterepeat sw[apname] t tabd[o] tabn[ext] tags te[aroff] tlm tm[enu] tp[revious] type unl ve[rsion] vim9s[cript] wN[ext] winc[md] wq xa[ll] xnoremenu xwininfo
-syn keyword vimCommand contained	abo[veleft] argdo au bd[elete] bo[tright] breakl[ist] cN[ext] cad[dbuffer] cb[uffer] cd cfir[st] che[ckpath] cle[arjumps] cnor comp[iler] cpf[ile] cun def deletep delp diffp[atch] disa[ssemble] doaut ea echon endf[unction] ex files fini[sh] folddoc[losed] gr[ep] helpc[lose] his[tory] il[ist] interface ju[mps] keepp[atterns] lad[dexpr] later lch[dir] lefta[bove] lg[etfile] lhi[story] lmapc[lear] loadkeymap lpf[ile] luafile mak[e] mks[ession] mzf[ile] nmapc[lear] nos[wapfile] opt[ions] pe[rl] pre[serve] promptr[epl] ptl[ast] pw[d] pydo pyxfile red[o] res[ize] ru[ntime] sI sIp sav[eas] sbm[odified] sce scripte[ncoding] setg[lobal] sgc sgr sign sl[eep] smile sor[t] spellr[epall] srI srn startr[eplace] sun[hide] sy tN[ext] tabe[dit] tabnew tc[d] ter[minal] tlmenu tma[p] tr[ewind] u[ndo] unlo[ckvar] verb[ose] vim[grep] w[rite] windo wqa[ll] xmapc[lear] xprop y[ank]
-syn keyword vimCommand contained	addd arge[dit] bN[ext] bel[owright] bp[revious] bro[wse] cNf[ile] cadde[xpr] cbe[fore] cdo cg[etfile] checkt[ime] clo[se] co[py] con[tinue] cq[uit] cuna[bbrev] defc[ompile] deletl dep diffpu[t] dj[ump] dp earlier el[se] endfo[r] exi[t] filet fir[st] foldo[pen] grepa[dd] helpf[ind] i imapc[lear] intro k lN[ext] laddb[uffer] lb[uffer] lcl[ose] leg[acy] lgetb[uffer] ll lne[xt] loc[kmarks] lr[ewind] lv[imgrep] marks mksp[ell] n[ext] noa nu[mber] ownsyntax ped[it] prev[ious] ps[earch] ptn[ext] py3 pyf[ile] q[uit] redi[r] ret[ab] rub[y] sIc sIr sbN[ext] sbn[ext] scg scriptv[ersion] setl[ocal] sge sh[ell] sil[ent] sla[st] sn[ext] sp[lit] spellr[rare] src srp stj[ump] sunme syn ta[g] tabf[ind] tabo[nly] tch[dir] tf[irst] tln tmapc[lear] try una[bbreviate] uns[ilent] vert[ical] vimgrepa[dd] wa[ll] winp[os] wundo xme xr[estore] z[^.=]
-syn keyword vimCommand contained	al[l] argg[lobal] b[uffer] bf[irst] br[ewind] bufdo c[hange] caddf[ile] cbel[ow] ce[nter] cgetb[uffer] chi[story] cmapc[lear] col[der] conf[irm] cr[ewind] cw[indow] delc[ommand] deletp di[splay] diffs[plit] dl dr[op] ec elsei[f] endt[ry] exp filetype fix[del] for gui helpg[rep] ia imp is[earch] kee[pmarks] lNf[ile] laddf[ile] lbe[fore] lcs lex[pr] lgete[xpr] lla[st] lnew[er] lockv[ar] ls lvimgrepa[dd] mat[ch] mkv[imrc] nb[key] noautocmd o[pen] p[rint] perld[o] pro ptN[ext] ptp[revious] py3do python3 qa[ll] redr[aw] retu[rn] rubyd[o] sIe sN[ext] sb[uffer] sbp[revious] sci scs sf[ind] sgi si sim[alt] sm[agic] sno[magic] spe[llgood] spellu[ndo] sre[wind] st[op] stopi[nsert] sunmenu sync tab tabfir[st] tabp[revious] tcl th[row] tlnoremenu tn[ext] ts[elect] undoj[oin] up[date] vi[sual] viu[sage]
+syn keyword vimCommand contained	a ar[gs] argg[lobal] b[uffer] bf[irst] br[ewind] bufdo c[hange] caddf[ile] cbel[ow] ce[nter] cgetb[uffer] chi[story] cmapc[lear] col[der] conf[irm] cr[ewind] cw[indow] delc[ommand] deletp di[splay] diffs[plit] dl dr[op] ec elsei[f] endt[ry] exp filetype fix[del] for gui helpg[rep] ia imp is[earch] kee[pmarks] lNf[ile] laddf[ile] lbe[fore] lcs lex[pr] lgete[xpr] lla[st] lnew[er] lockv[ar] ls lvimgrepa[dd] mat[ch] mkv[imrc] nb[key] noautocmd o[pen] p[rint] perld[o] pro ptN[ext] ptp[revious] py3do python3 qa[ll] redr[aw] retu[rn] rubyd[o] sIe sN[ext] sb[uffer] sbp[revious] sci scs sf[ind] sgi si sim[alt] sm[agic] sno[magic] spe[llgood] spellu[ndo] sre[wind] st[op] stopi[nsert] sunmenu sync tab tabfir[st] tabp[revious] tcl th[row] tlnoremenu tn[ext] ts[elect] undoj[oin] up[date] vi[sual] viu[sage] wh[ile] wn[ext] wv[iminfo] xmenu xunme
+syn keyword vimCommand contained	ab arga[dd] argl[ocal] ba[ll] bl[ast] brea[k] buffers ca caf[ter] cbo[ttom] cex[pr] cgete[xpr] cl[ist] cn[ext] colo[rscheme] cons[t] cs d[elete] delel delf[unction] dif[fupdate] difft[his] dli[st] ds[earch] echoc[onsole] em[enu] endw[hile] export filt[er] fo[ld] fu[nction] gvim helpt[ags] iabc[lear] import isp[lit] keepa l[ist] laf[ter] lbel[ow] lcscope lf[ile] lgr[ep] lli[st] lnf[ile] lol[der] lt[ag] lw[indow] menut[ranslate] mkvie[w] nbc[lose] noh[lsearch] ol[dfiles] pa[ckadd] po[p] prof[ile] pta[g] ptr[ewind] py3f[ile] pythonx quita[ll] redraws[tatus] rew[ind] rubyf[ile] sIg sa[rgument] sba[ll] sbr[ewind] scl scscope sfir[st] sgl sic sin sm[ap] snoreme spelld[ump] spellw[rong] srg sta[g] sts[elect] sus[pend] syncbind tabN[ext] tabl[ast] tabr[ewind] tcld[o] tj[ump] tlu tno[remap] tu[nmenu] undol[ist] v vie[w] vne[w] win[size] wp[revious] x[it] xnoreme xunmenu
+syn keyword vimCommand contained	abc[lear] argd[elete] argu[ment] bad[d] bm[odified] breaka[dd] bun[load] cabc[lear] cal[l] cc cf[ile] changes cla[st] cnew[er] com cope[n] cscope debug delep dell diffg[et] dig[raphs] do dsp[lit] echoe[rr] en[dif] ene[w] exu[sage] fin[d] foldc[lose] g h[elp] hi if in iuna[bbrev] keepalt la[st] lan[guage] lbo[ttom] ld[o] lfdo lgrepa[dd] lma lo[adview] lop[en] lua m[ove] mes[sages] mod[e] nbs[tart] nor omapc[lear] packl[oadall] popu[p] profd[el] ptf[irst] pts[elect] py3f[ile] pyx r[ead] redrawt[abline] ri[ght] rundo sIl sal[l] sbf[irst] sc scp se[t] sg sgn sie sip sme snoremenu spelli[nfo] spr[evious] sri star[tinsert] substitutepattern sv[iew] syntime tabc[lose] tabm[ove] tabs tclf[ile] tl[ast] tlunmenu to[pleft] tunma[p] unh[ide] var vim9[cmd] vs[plit] winc[md] wq xa[ll] xnoremenu xwininfo
+syn keyword vimCommand contained	abo[veleft] argded[upe] as[cii] balt bn[ext] breakd[el] bw[ipeout] cabo[ve] cat[ch] ccl[ose] cfdo chd[ir] class cnf[ile] comc[lear] cp[revious] cstag debugg[reedy] deletel delm[arks] diffo[ff] dir doau e[dit] echom[sg] enddef eval f[ile] fina[lly] foldd[oopen] go[to] ha[rdcopy] hid[e] ij[ump] inor j[oin] keepj[umps] lab[ove] lat lc[d] le[ft] lfir[st] lh[elpgrep] lmak[e] loadk lp[revious] luado ma[rk] mk[exrc] mz[scheme] new nore on[ly] pc[lose] pp[op] promptf[ind] ptj[ump] pu[t] py[thon] pyxdo rec[over] reg[isters] rightb[elow] rv[iminfo] sIn san[dbox] sbl[ast] scI scr[iptnames] setf[iletype] sgI sgp sig sir smenu so[urce] spellr[are] sr srl startg[replace] substituterepeat sw[apname] t tabd[o] tabn[ext] tags te[aroff] tlm tm[enu] tp[revious] type unl ve[rsion] vim9s[cript] wN[ext] windo wqa[ll] xmapc[lear] xprop y[ank]
+syn keyword vimCommand contained	addd argdo au bd[elete] bo[tright] breakl[ist] cN[ext] cad[dbuffer] cb[uffer] cd cfir[st] che[ckpath] cle[arjumps] cnor comp[iler] cpf[ile] cun def deletep delp diffp[atch] disa[ssemble] doaut ea echon endf[unction] ex files fini[sh] folddoc[losed] gr[ep] helpc[lose] his[tory] il[ist] interface ju[mps] keepp[atterns] lad[dexpr] later lch[dir] lefta[bove] lg[etfile] lhi[story] lmapc[lear] loadkeymap lpf[ile] luafile mak[e] mks[ession] mzf[ile] nmapc[lear] nos[wapfile] opt[ions] pe[rl] pre[serve] promptr[epl] ptl[ast] pw[d] pydo pyxfile red[o] res[ize] ru[ntime] sI sIp sav[eas] sbm[odified] sce scripte[ncoding] setg[lobal] sgc sgr sign sl[eep] smile sor[t] spellr[epall] srI srn startr[eplace] sun[hide] sy tN[ext] tabe[dit] tabnew tc[d] ter[minal] tlmenu tma[p] tr[ewind] u[ndo] unlo[ckvar] verb[ose] vim[grep] w[rite] winp[os] wundo xme xr[estore] z[^.=]
+syn keyword vimCommand contained	al[l] arge[dit] bN[ext] bel[owright] bp[revious] bro[wse] cNf[ile] cadde[xpr] cbe[fore] cdo cg[etfile] checkt[ime] clo[se] co[py] con[tinue] cq[uit] cuna[bbrev] defc[ompile] deletl dep diffpu[t] dj[ump] dp earlier el[se] endfo[r] exi[t] filet fir[st] foldo[pen] grepa[dd] helpf[ind] i imapc[lear] intro k lN[ext] laddb[uffer] lb[uffer] lcl[ose] leg[acy] lgetb[uffer] ll lne[xt] loc[kmarks] lr[ewind] lv[imgrep] marks mksp[ell] n[ext] noa nu[mber] ownsyntax ped[it] prev[ious] ps[earch] ptn[ext] py3 pyf[ile] q[uit] redi[r] ret[ab] rub[y] sIc sIr sbN[ext] sbn[ext] scg scriptv[ersion] setl[ocal] sge sh[ell] sil[ent] sla[st] sn[ext] sp[lit] spellr[rare] src srp stj[ump] sunme syn ta[g] tabf[ind] tabo[nly] tch[dir] tf[irst] tln tmapc[lear] try una[bbreviate] uns[ilent] vert[ical] vimgrepa[dd] wa[ll]
 syn match   vimCommand contained	"\<z[-+^.=]\=\>"
 syn keyword vimStdPlugin contained	Arguments Asm Break Cfilter Clear Continue DiffOrig Evaluate Finish Gdb Lfilter Man N[ext] Over P[rint] Program Run S Source Step Stop Termdebug TermdebugCommand TOhtml Winbar XMLent XMLns
 
 " vimOptions are caught only when contained in a vimSet {{{2
-syn keyword vimOption contained	acd ambw arshape aw backupskip beval bk bri bufhidden cdpath cindent cm colorcolumn completeopt cp cscopeprg csprg culopt def diffexpr ea ei ep eventignore fdi fenc fileformat fkmap foldexpr foldopen fsync gfw gtt guipty hi hkp ignorecase imd imstatusfunc indentkeys isfname js langmap linebreak lmap lw mat maxmemtot mkspellmem mod mousef mousetime nf ofu para penc pm previewwindow printoptions pw qftf relativenumber rightleftcmd ru sbr scrollfocus sel shellcmdflag shellxquote showfulltag signcolumn smc spell splitbelow ssl stl sw sxe tabpagemax tagrelative tbis termencoding textauto thesaurus titleold top ttimeout ttymouse twt undofile varsofttabstop verbosefile viminfofile wak weirdinvert wig wildoptions winheight wm wrapscan
-syn keyword vimOption contained	ai anti asd awa balloondelay bevalterm bkc briopt buflisted cedit cink cmdheight columns completepopup cpo cscopequickfix csqf cursorbind define diffopt ead ek equalalways ex fdl fencs fileformats flp foldignore foldtext ft ghr guicursor guitablabel hid hl im imdisable imstyle indk isi key langmenu lines lnr lz matchpairs mco ml modeline mousefocus mp nrformats omnifunc paragraphs perldll pmbcs printdevice prompt pythondll quickfixtextfunc remap rl rubydll sc scrolljump selection shellpipe shiftround showmatch siso smd spellcapcheck splitright ssop stmp swapfile sxq tabstop tags tbs termguicolors textmode thesaurusfunc titlestring tpm ttimeoutlen ttyscroll tx undolevels vartabstop vfile virtualedit warn wfh wildchar wim winminheight wmh write
-syn keyword vimOption contained	akm antialias autochdir background ballooneval bex bl brk buftype cf cinkeys cmdwinheight com completeslash cpoptions cscoperelative csre cursorcolumn delcombine digraph eadirection emo equalprg expandtab fdls fex fileignorecase fml foldlevel formatexpr gcr gli guifont guitabtooltip hidden hlg imactivatefunc imi inc inex isident keymap langnoremap linespace loadplugins ma matchtime mef mle modelineexpr mousehide mps nu opendevice paste pex pmbfn printencoding pt pythonhome quoteescape renderoptions rlc ruf scb scrolloff selectmode shellquote shiftwidth showmode sj sn spellfile spo st sts swapsync syn tag tagstack tc termwinkey textwidth tildeop tl tr ttm ttytype uc undoreload vb vi visualbell wb wfw wildcharm winaltkeys winminwidth wmnu writeany
-syn keyword vimOption contained	al ar autoindent backspace balloonevalterm bexpr bo browsedir casemap cfu cino cmp comments concealcursor cpp cscopetag cst cursorline dex dip eb emoji errorbells exrc fdm ff filetype fmr foldlevelstart formatlistpat gd go guifontset helpfile highlight hls imactivatekey iminsert include inf isk keymodel langremap lisp lpl macatsui maxcombine menc mls modelines mousem msm number operatorfunc pastetoggle pexpr popt printexpr pumheight pythonthreedll rdt report rnu ruler scf scrollopt sessionoptions shellredir shm showtabline slm so spelllang spr sta su swb synmaxcol tagbsearch tal tcldll termwinscroll tf timeout tm ts tty tw udf updatecount vbs viewdir vop wc wh wildignore wincolor winptydll wmw writebackup
-syn keyword vimOption contained	aleph arab autoread backup balloonexpr bg bomb bs cb ch cinoptions cms commentstring conceallevel cpt cscopetagorder csto cursorlineopt dg dir ed enc errorfile fcl fdn ffs fillchars fo foldmarker formatoptions gdefault gp guifontwide helpheight history hlsearch imaf ims includeexpr infercase iskeyword keywordprg laststatus lispwords lrm magic maxfuncdepth menuitems mm modifiable mousemodel mzq numberwidth opfunc patchexpr pfn pp printfont pumwidth pythonthreehome re restorescreen ro rulerformat scl scs sft shellslash shortmess shq sm softtabstop spelloptions sps stal sua swf syntax tagcase tb tenc termwinsize tfu timeoutlen to tsl ttybuiltin twk udir updatetime vdir viewoptions vsts wcm whichwrap wildignorecase window winwidth wop writedelay
-syn keyword vimOption contained	allowrevins arabic autoshelldir backupcopy bdir bh breakat bsdir cc charconvert cinw co compatible confirm crb cscopeverbose csverb cwh dict directory edcompatible encoding errorformat fcs fdo fic fixendofline foldclose foldmethod formatprg gfm grepformat guiheadroom helplang hk ic imak imsearch incsearch insertmode isp km lazyredraw list ls makeef maxmapdepth mfd mmd modified mouses mzquantum nuw osfiletype patchmode ph preserveindent printheader pvh pyx readonly revins rop runtimepath scr sect sh shelltemp shortname si smartcase sol spellsuggest sr startofline suffixes switchbuf ta tagfunc tbi term termwintype tgc title toolbar tsr ttyfast tws ul ur ve vif vts wcr wi wildmenu winfixheight wiv wrap ws
-syn keyword vimOption contained	altkeymap arabicshape autowrite backupdir bdlay bin breakindent bsk ccv ci cinwords cocu complete copyindent cryptmethod csl cuc debug dictionary display ef endofline esckeys fdc fdt fileencoding fixeol foldcolumn foldminlines fp gfn grepprg guiligatures hf hkmap icon imc imsf inde is isprint kmp lbr listchars lsp makeencoding maxmem mh mmp more mouseshape mzschemedll odev pa path pheader previewheight printmbcharset pvp pyxversion redrawtime ri rs sb scroll sections shcf shelltype showbreak sidescroll smartindent sp spf srr statusline suffixesadd sws tabline taglength tbidi termbidi terse tgst titlelen toolbariconsize tsrfu ttym twsl undodir ut verbose viminfo wa wd wic wildmode winfixwidth wiw wrapmargin ww
-syn keyword vimOption contained	ambiwidth ari autowriteall backupext belloff binary breakindentopt bt cd cin clipboard cole completefunc cot cscopepathcomp cspc cul deco diff dy efm eol et fde fen fileencodings fk foldenable foldnestmax fs gfs gtl guioptions hh hkmapp iconstring imcmdline imst indentexpr isf joinspaces kp lcs lm luadll makeprg maxmempattern mis mmt mouse mouset mzschemegcdll oft packpath pdev pi previewpopup printmbfont pvw qe regexpengine rightleft rtp sbo scrollbind secure shell shellxescape showcmd sidescrolloff smarttab spc spl ss
+syn keyword vimOption contained	acd ambw arshape aw backupskip beval bk bri bufhidden cdh ci cinwords cocu complete copyindent cryptmethod csl cuc debug dictionary display ef endofline esckeys fdc fdt fileencoding fixeol foldcolumn foldminlines fp gfn grepprg guiligatures hf hkmap icon imc imsf inde is isprint kmp lbr listchars lsp makeencoding maxmem mh mmp more mouseshape mzschemedll odev pa path pheader previewheight printmbcharset pvp pyxversion redrawtime ri rs sb scroll sections shcf shelltype showbreak sidescroll smartindent sp spf srr statusline sw sxq tabstop tags tbs termguicolors textmode thesaurusfunc titlestring tpm ttimeoutlen ttyscroll tx undolevels vartabstop vfile virtualedit warn wfh wildchar wim winminheight wmh write
+syn keyword vimOption contained	ai anti asd awa balloondelay bevalterm bkc briopt buflisted cdhome cin clipboard cole completefunc cot cscopepathcomp cspc cul deco diff dy efm eol et fde fen fileencodings fk foldenable foldnestmax fs gfs gtl guioptions hh hkmapp iconstring imcmdline imst indentexpr isf joinspaces kp lcs lm luadll makeprg maxmempattern mis mmt mouse mouset mzschemegcdll oft packpath pdev pi previewpopup printmbfont pvw qe regexpengine rightleft rtp sbo scrollbind secure shell shellxescape showcmd sidescrolloff smarttab spc spl ss stl swapfile syn tag tagstack tc termwinkey textwidth tildeop tl tr ttm ttytype uc undoreload vb vi visualbell wb wfw wildcharm winaltkeys winminwidth wmnu writeany
+syn keyword vimOption contained	akm antialias autochdir background ballooneval bex bl brk buftype cdpath cindent cm colorcolumn completeopt cp cscopeprg csprg culopt def diffexpr ea ei ep eventignore fdi fenc fileformat fkmap foldexpr foldopen fsync gfw gtt guipty hi hkp ignorecase imd imstatusfunc indentkeys isfname js langmap linebreak lmap lw mat maxmemtot mkspellmem mod mousef mousetime nf ofu para penc pm previewwindow printoptions pw qftf relativenumber rightleftcmd ru sbr scrollfocus sel shellcmdflag shellxquote showfulltag signcolumn smc spell splitbelow ssl stmp swapsync synmaxcol tagbsearch tal tcldll termwinscroll tf timeout tm ts tty tw udf updatecount vbs viewdir vop wc wh wildignore wincolor winptydll wmw writebackup
+syn keyword vimOption contained	al ar autoindent backspace balloonevalterm bexpr bo browsedir casemap cedit cink cmdheight columns completepopup cpo cscopequickfix csqf cursorbind define diffopt ead ek equalalways ex fdl fencs fileformats flp foldignore foldtext ft ghr guicursor guitablabel hid hl im imdisable imstyle indk isi key langmenu lines lnr lz matchpairs mco ml modeline mousefocus mp nrformats omnifunc paragraphs perldll pmbcs printdevice prompt pythondll quickfixtextfunc remap rl rubydll sc scrolljump selection shellpipe shiftround showmatch siso smd spellcapcheck splitright ssop sts swb syntax tagcase tb tenc termwinsize tfu timeoutlen to tsl ttybuiltin twk udir updatetime vdir viewoptions vsts wcm whichwrap wildignorecase window winwidth wop writedelay
+syn keyword vimOption contained	aleph arab autoread backup balloonexpr bg bomb bs cb cf cinkeys cmdwinheight com completeslash cpoptions cscoperelative csre cursorcolumn delcombine digraph eadirection emo equalprg expandtab fdls fex fileignorecase fml foldlevel formatexpr gcr gli guifont guitabtooltip hidden hlg imactivatefunc imi inc inex isident keymap langnoremap linespace loadplugins ma matchtime mef mle modelineexpr mousehide mps nu opendevice paste pex pmbfn printencoding pt pythonhome quoteescape renderoptions rlc ruf scb scrolloff selectmode shellquote shiftwidth showmode sj sn spellfile spo st su swf ta tagfunc tbi term termwintype tgc title toolbar tsr ttyfast tws ul ur ve vif vts wcr wi wildmenu winfixheight wiv wrap ws
+syn keyword vimOption contained	allowrevins arabic autoshelldir backupcopy bdir bh breakat bsdir cc cfu cino cmp comments concealcursor cpp cscopetag cst cursorline dex dip eb emoji errorbells exrc fdm ff filetype fmr foldlevelstart formatlistpat gd go guifontset helpfile highlight hls imactivatekey iminsert include inf isk keymodel langremap lisp lpl macatsui maxcombine menc mls modelines mousem msm number operatorfunc pastetoggle pexpr popt printexpr pumheight pythonthreedll rdt report rnu ruler scf scrollopt sessionoptions shellredir shm showtabline slm so spelllang spr sta sua switchbuf tabline taglength tbidi termbidi terse tgst titlelen toolbariconsize tsrfu ttym twsl undodir ut verbose viminfo wa wd wic wildmode winfixwidth wiw wrapmargin ww
+syn keyword vimOption contained	altkeymap arabicshape autowrite backupdir bdlay bin breakindent bsk ccv ch cinoptions cms commentstring conceallevel cpt cscopetagorder csto cursorlineopt dg dir ed enc errorfile fcl fdn ffs fillchars fo foldmarker formatoptions gdefault gp guifontwide helpheight history hlsearch imaf ims includeexpr infercase iskeyword keywordprg laststatus lispwords lrm magic maxfuncdepth menuitems mm modifiable mousemodel mzq numberwidth opfunc patchexpr pfn pp printfont pumwidth pythonthreehome re restorescreen ro rulerformat scl scs sft shellslash shortmess shq sm softtabstop spelloptions sps stal suffixes sws tabpagemax tagrelative tbis termencoding textauto thesaurus titleold top ttimeout ttymouse twt undofile varsofttabstop verbosefile viminfofile wak weirdinvert wig wildoptions winheight wm wrapscan xtermcodes
+syn keyword vimOption contained	ambiwidth ari autowriteall backupext belloff binary breakindentopt bt cd charconvert cinw co compatible confirm crb cscopeverbose csverb cwh dict directory edcompatible encoding errorformat fcs fdo fic fixendofline foldclose foldmethod formatprg gfm grepformat guiheadroom helplang hk ic imak imsearch incsearch insertmode isp km lazyredraw list ls makeef maxmapdepth mfd mmd modified mouses mzquantum nuw osfiletype patchmode ph preserveindent printheader pvh pyx readonly revins rop runtimepath scr sect sh shelltemp shortname si smartcase sol spellsuggest sr startofline suffixesadd sxe
 
 " vimOptions: These are the turn-off setting variants {{{2
-syn keyword vimOption contained	noacd noallowrevins noantialias noarabic noarshape noautoindent noautowrite noawa noballoonevalterm nobin nobl nobri noci nocompatible nocp nocscopetag nocst nocul nocursorline nodg noea noedcompatible noemoji noequalalways noet noexrc nofileignorecase nofk nofs nogdefault nohidden nohkmapp nohlsearch noignorecase noimcmdline noincsearch noinsertmode nojs nolazyredraw nolisp noloadplugins nolz nomagic nomle nomodelineexpr nomodified nomousef nomousehide nonumber noopendevice nopi nopreviewwindow nopvw norelativenumber norestorescreen nori norl noro noru nosb noscb noscrollbind noscs nosft noshelltemp noshortname noshowfulltag noshowmode nosm nosmartindent nosmd nosol nosplitbelow nospr nossl nostartofline noswapfile nota notagrelative notbi notbs noterse notextmode notgst notimeout noto notr nottybuiltin notx noundofile novisualbell nowarn noweirdinvert nowfw nowildignorecase nowinfixheight nowiv nowrap nowrite nowritebackup
-syn keyword vimOption contained	noai noaltkeymap noar noarabicshape noasd noautoread noautowriteall nobackup nobeval nobinary nobomb nobuflisted nocin noconfirm nocrb nocscopeverbose nocsverb nocursorbind nodeco nodiff noeb noek noendofline noerrorbells noex nofen nofixendofline nofkmap nofsync noguipty nohk nohkp noic noim noimd noinf nois nolangnoremap nolbr nolist nolpl noma nomh nomod nomodifiable nomore nomousefocus nonu noodev nopaste nopreserveindent noprompt noreadonly noremap norevins norightleft nornu nors noruler nosc noscf noscrollfocus nosecure noshellslash noshiftround noshowcmd noshowmatch nosi nosmartcase nosmarttab nosn nospell nosplitright nosr nosta nostmp noswf notagbsearch notagstack notbidi notermbidi notextauto notf notildeop notitle notop nottimeout nottyfast noudf novb nowa nowb nowfh nowic nowildmenu nowinfixwidth nowmnu nowrapscan nowriteany nows
-syn keyword vimOption contained	noakm noanti noarab noari noautochdir noautoshelldir noaw noballooneval nobevalterm nobk nobreakindent nocf nocindent nocopyindent nocscoperelative nocsre nocuc nocursorcolumn nodelcombine nodigraph noed noemo noeol noesckeys noexpandtab nofic nofixeol nofoldenable nogd nohid nohkmap nohls noicon noimc noimdisable noinfercase nojoinspaces nolangremap nolinebreak nolnr nolrm nomacatsui noml nomodeline
+syn keyword vimOption contained	noacd noallowrevins noantialias noarabic noarshape noautoindent noautowrite noawa noballoonevalterm nobin nobl nobri noci nocompatible nocp nocscopetag nocst nocul nocursorline nodg noea noedcompatible noemoji noequalalways noet noexrc nofileignorecase nofk nofs nogdefault nohidden nohkmapp nohlsearch noignorecase noimcmdline noincsearch noinsertmode nojs nolazyredraw nolisp noloadplugins nolz nomagic nomle nomodelineexpr nomore nomousefocus nonu noodev nopaste nopreserveindent noprompt noreadonly noremap norevins norightleft nornu nors noruler nosc noscf noscrollfocus nosecure noshellslash noshiftround noshowcmd noshowmatch nosi nosmartcase nosmarttab nosn nospell nosplitright nosr nosta nostmp noswf notagbsearch notagstack notbidi notermbidi notextauto notf notildeop notitle notop nottimeout nottyfast noudf novb nowa nowb nowfh nowic nowildmenu nowinfixwidth nowmnu nowrapscan nowriteany nows
+syn keyword vimOption contained	noai noaltkeymap noar noarabicshape noasd noautoread noautowriteall nobackup nobeval nobinary nobomb nobuflisted nocin noconfirm nocrb nocscopeverbose nocsverb nocursorbind nodeco nodiff noeb noek noendofline noerrorbells noex nofen nofixendofline nofkmap nofsync noguipty nohk nohkp noic noim noimd noinf nois nolangnoremap nolbr nolist nolpl noma nomh nomod nomodifiable nomousef nomousehide nonumber noopendevice nopi nopreviewwindow nopvw norelativenumber norestorescreen nori norl noro noru nosb noscb noscrollbind noscs nosft noshelltemp noshortname noshowfulltag noshowmode nosm nosmartindent nosmd nosol nosplitbelow nospr nossl nostartofline noswapfile nota notagrelative notbi notbs noterse notextmode notgst notimeout noto notr nottybuiltin notx noundofile novisualbell nowarn noweirdinvert nowfw nowildignorecase nowinfixheight nowiv nowrap nowrite nowritebackup noxtermcodes
+syn keyword vimOption contained	noakm noanti noarab noari noautochdir noautoshelldir noaw noballooneval nobevalterm nobk nobreakindent nocf nocindent nocopyindent nocscoperelative nocsre nocuc nocursorcolumn nodelcombine nodigraph noed noemo noeol noesckeys noexpandtab nofic nofixeol nofoldenable nogd nohid nohkmap nohls noicon noimc noimdisable noinfercase nojoinspaces nolangremap nolinebreak nolnr nolrm nomacatsui noml nomodeline nomodified
 
 " vimOptions: These are the invertible variants {{{2
-syn keyword vimOption contained	invacd invallowrevins invantialias invarabic invarshape invautoindent invautowrite invawa invballoonevalterm invbin invbl invbri invci invcompatible invcp invcscopetag invcst invcul invcursorline invdg invea invedcompatible invemoji invequalalways invet invexrc invfileignorecase invfk invfs invgdefault invhidden invhkmapp invhlsearch invignorecase invimcmdline invincsearch invinsertmode invjs invlazyredraw invlisp invloadplugins invlz invmagic invmle invmodelineexpr invmodified invmousef invmousehide invnumber invopendevice invpi invpreviewwindow invpvw invrelativenumber invrestorescreen invri invrl invro invru invsb invscb invscrollbind invscs invsft invshelltemp invshortname invshowfulltag invshowmode invsm invsmartindent invsmd invsol invsplitbelow invspr invssl invstartofline invswapfile invta invtagrelative invtbi invtbs invterse invtextmode invtgst invtimeout invto invtr invttybuiltin invtx invundofile invvisualbell invwarn invweirdinvert invwfw invwildignorecase invwinfixheight invwiv invwrap invwrite invwritebackup
-syn keyword vimOption contained	invai invaltkeymap invar invarabicshape invasd invautoread invautowriteall invbackup invbeval invbinary invbomb invbuflisted invcin invconfirm invcrb invcscopeverbose invcsverb invcursorbind invdeco invdiff inveb invek invendofline inverrorbells invex invfen invfixendofline invfkmap invfsync invguipty invhk invhkp invic invim invimd invinf invis invlangnoremap invlbr invlist invlpl invma invmh invmod invmodifiable invmore invmousefocus invnu invodev invpaste invpreserveindent invprompt invreadonly invremap invrevins invrightleft invrnu invrs invruler invsc invscf invscrollfocus invsecure invshellslash invshiftround invshowcmd invshowmatch invsi invsmartcase invsmarttab invsn invspell invsplitright invsr invsta invstmp invswf invtagbsearch invtagstack invtbidi invtermbidi invtextauto invtf invtildeop invtitle invtop invttimeout invttyfast invudf invvb invwa invwb invwfh invwic invwildmenu invwinfixwidth invwmnu invwrapscan invwriteany invws
-syn keyword vimOption contained	invakm invanti invarab invari invautochdir invautoshelldir invaw invballooneval invbevalterm invbk invbreakindent invcf invcindent invcopyindent invcscoperelative invcsre invcuc invcursorcolumn invdelcombine invdigraph inved invemo inveol invesckeys invexpandtab invfic invfixeol invfoldenable invgd invhid invhkmap invhls invicon invimc invimdisable invinfercase invjoinspaces invlangremap invlinebreak invlnr invlrm invmacatsui invml invmodeline
+syn keyword vimOption contained	invacd invallowrevins invantialias invarabic invarshape invautoindent invautowrite invawa invballoonevalterm invbin invbl invbri invci invcompatible invcp invcscopetag invcst invcul invcursorline invdg invea invedcompatible invemoji invequalalways invet invexrc invfileignorecase invfk invfs invgdefault invhidden invhkmapp invhlsearch invignorecase invimcmdline invincsearch invinsertmode invjs invlazyredraw invlisp invloadplugins invlz invmagic invmle invmodelineexpr invmore invmousefocus invnu invodev invpaste invpreserveindent invprompt invreadonly invremap invrevins invrightleft invrnu invrs invruler invsc invscf invscrollfocus invsecure invshellslash invshiftround invshowcmd invshowmatch invsi invsmartcase invsmarttab invsn invspell invsplitright invsr invsta invstmp invswf invtagbsearch invtagstack invtbidi invtermbidi invtextauto invtf invtildeop invtitle invtop invttimeout invttyfast invudf invvb invwa invwb invwfh invwic invwildmenu invwinfixwidth invwmnu invwrapscan invwriteany invws
+syn keyword vimOption contained	invai invaltkeymap invar invarabicshape invasd invautoread invautowriteall invbackup invbeval invbinary invbomb invbuflisted invcin invconfirm invcrb invcscopeverbose invcsverb invcursorbind invdeco invdiff inveb invek invendofline inverrorbells invex invfen invfixendofline invfkmap invfsync invguipty invhk invhkp invic invim invimd invinf invis invlangnoremap invlbr invlist invlpl invma invmh invmod invmodifiable invmousef invmousehide invnumber invopendevice invpi invpreviewwindow invpvw invrelativenumber invrestorescreen invri invrl invro invru invsb invscb invscrollbind invscs invsft invshelltemp invshortname invshowfulltag invshowmode invsm invsmartindent invsmd invsol invsplitbelow invspr invssl invstartofline invswapfile invta invtagrelative invtbi invtbs invterse invtextmode invtgst invtimeout invto invtr invttybuiltin invtx invundofile invvisualbell invwarn invweirdinvert invwfw invwildignorecase invwinfixheight invwiv invwrap invwrite invwritebackup invxtermcodes
+syn keyword vimOption contained	invakm invanti invarab invari invautochdir invautoshelldir invaw invballooneval invbevalterm invbk invbreakindent invcf invcindent invcopyindent invcscoperelative invcsre invcuc invcursorcolumn invdelcombine invdigraph inved invemo inveol invesckeys invexpandtab invfic invfixeol invfoldenable invgd invhid invhkmap invhls invicon invimc invimdisable invinfercase invjoinspaces invlangremap invlinebreak invlnr invlrm invmacatsui invml invmodeline invmodified
 
 " termcap codes (which can also be set) {{{2
 syn keyword vimOption contained	t_8b t_8u t_AF t_AL t_bc t_BE t_ce t_cl t_Co t_Cs t_CV t_db t_DL t_EI t_F2 t_F4 t_F6 t_F8 t_fd t_fs t_IE t_k1 t_k2 t_K3 t_K4 t_K5 t_K6 t_K7 t_K8 t_K9 t_kb t_KB t_kd t_KD t_KE t_KG t_kh t_KH t_kI t_KI t_KJ t_KK t_kl t_KL t_kN t_kP t_kr t_ks t_ku t_le t_mb t_md t_me t_mr t_ms t_nd t_op t_PE t_PS t_RB t_RC t_RF t_Ri t_RI t_RS t_RT t_RV t_Sb t_SC t_se t_Sf t_SH t_Si t_SI t_so t_sr t_SR t_ST t_te t_Te t_TE t_ti t_TI t_ts t_Ts t_u7 t_ue t_us t_ut t_vb t_ve t_vi t_vs t_VS t_WP t_WS t_xn t_xs t_ZH t_ZR

runtime/syntax/xml.vim

@@ -10,6 +10,7 @@
 " 20190923 - Fix xmlEndTag to match xmlTag (vim/vim#884)
 " 20190924 - Fix xmlAttribute property (amadeus/vim-xml@d8ce1c946)
 " 20191103 - Enable spell checking globally
+" 20210428 - Improve syntax synchronizing
 
 " CONFIGURATION:
 "   syntax folding can be turned on by
@@ -302,9 +303,12 @@ unlet b:current_syntax
 
 
 " synchronizing
-" TODO !!! to be improved !!!
 
-syn sync match xmlSyncDT grouphere  xmlDocType +\_.\(<!DOCTYPE\)\@=+
+syn sync match xmlSyncComment grouphere xmlComment +<!--+
+syn sync match xmlSyncComment groupthere NONE +-->+
+
+" The following is slow on large documents (and the doctype is optional
+" syn sync match xmlSyncDT grouphere  xmlDocType +\_.\(<!DOCTYPE\)\@=+
 " syn sync match xmlSyncDT groupthere  NONE       +]>+
 
 if exists('g:xml_syntax_folding')
@@ -313,7 +317,7 @@ if exists('g:xml_syntax_folding')
     syn sync match xmlSync groupthere  xmlRegion  +</[^ /!?<>"']\+>+
 endif
 
-syn sync minlines=100
+syn sync minlines=100 maxlines=200
 
 
 " The default highlighting.
@@ -354,4 +358,4 @@ let b:current_syntax = "xml"
 let &cpo = s:xml_cpo_save
 unlet s:xml_cpo_save
 
-" vim: ts=8
+" vim: ts=4

runtime/syntax/zsh.vim

@@ -41,11 +41,12 @@ if get(g:, 'zsh_fold_enable', 0)
     setlocal foldmethod=syntax
 endif
 
+syn match   zshQuoted           '\\.'
 syn match   zshPOSIXQuoted      '\\[xX][0-9a-fA-F]\{1,2}'
 syn match   zshPOSIXQuoted      '\\[0-7]\{1,3}'
 syn match   zshPOSIXQuoted      '\\u[0-9a-fA-F]\{1,4}'
 syn match   zshPOSIXQuoted      '\\U[1-9a-fA-F]\{1,8}'
-syn match   zshQuoted           '\\.'
+
 syn region  zshString           matchgroup=zshStringDelimiter start=+"+ end=+"+
                                 \ contains=zshQuoted,@zshDerefs,@zshSubst fold
 syn region  zshString           matchgroup=zshStringDelimiter start=+'+ end=+'+ fold
@@ -133,217 +134,15 @@ syn keyword zshCommands         alias autoload bg bindkey break bye cap cd
                                 \ zmodload zparseopts zprof zpty zrecompile
                                 \ zregexparse zsocket zstyle ztcp
 
-" Options, generated by: echo ${(j:\n:)options[(I)*]} | sort
-" Create a list of option names from zsh source dir:
-"     #!/bin/zsh
-"    topdir=/path/to/zsh-xxx
-"    grep '^pindex([A-Za-z_]*)$' $topdir/Doc/Zsh/options.yo |
-"    while read opt
-"    do
-"        echo ${${(L)opt#pindex\(}%\)}
-"    done
-
+" Options, generated by from the zsh source with the make-options.zsh script.
 syn case ignore
-
-syn match   zshOptStart /^\s*\%(\%(\%(un\)\?setopt\)\|set\s+[-+]o\)/ nextgroup=zshOption skipwhite
-syn match   zshOption /
-      \ \%(\%(\<no_\?\)\?aliases\>\)\|
-      \ \%(\%(\<no_\?\)\?aliasfuncdef\>\)\|\%(\%(no_\?\)\?alias_func_def\>\)\|
-      \ \%(\%(\<no_\?\)\?allexport\>\)\|\%(\%(no_\?\)\?all_export\>\)\|
-      \ \%(\%(\<no_\?\)\?alwayslastprompt\>\)\|\%(\%(no_\?\)\?always_last_prompt\>\)\|\%(\%(no_\?\)\?always_lastprompt\>\)\|
-      \ \%(\%(\<no_\?\)\?alwaystoend\>\)\|\%(\%(no_\?\)\?always_to_end\>\)\|
-      \ \%(\%(\<no_\?\)\?appendcreate\>\)\|\%(\%(no_\?\)\?append_create\>\)\|
-      \ \%(\%(\<no_\?\)\?appendhistory\>\)\|\%(\%(no_\?\)\?append_history\>\)\|
-      \ \%(\%(\<no_\?\)\?autocd\>\)\|\%(\%(no_\?\)\?auto_cd\>\)\|
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-
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+syn match   zshOption nextgroup=zshOption,zshComment skipwhite contained /\v
+            \ <%(no_?)?%(
+            \ auto_?cd|auto_?pushd|cdable_?vars|cd_?silent|chase_?dots|chase_?links|posix_?cd|pushd_?ignore_?dups|pushd_?minus|pushd_?silent|pushd_?to_?home|always_?last_?prompt|always_?to_?end|auto_?list|auto_?menu|auto_?name_?dirs|auto_?param_?keys|auto_?param_?slash|auto_?remove_?slash|bash_?auto_?list|complete_?aliases|complete_?in_?word|glob_?complete|hash_?list_?all|list_?ambiguous|list_?beep|list_?packed|list_?rows_?first|list_?types|menu_?complete|rec_?exact|bad_?pattern|bare_?glob_?qual|brace_?ccl|case_?glob|case_?match|case_?paths|csh_?null_?glob|equals|extended_?glob|force_?float|glob|glob_?assign|glob_?dots|glob_?star_?short|glob_?subst|hist_?subst_?pattern|ignore_?braces|ignore_?close_?braces|ksh_?glob|magic_?equal_?subst|mark_?dirs|multibyte|nomatch|null_?glob|numeric_?glob_?sort|rc_?expand_?param|rematch_?pcre|sh_?glob|unset|warn_?create_?global|warn_?nested_?var|warnnestedvar|append_?history|bang_?hist|extended_?history|hist_?allow_?clobber|hist_?beep|hist_?expire_?dups_?first|hist_?fcntl_?lock|hist_?find_?no_?dups|hist_?ignore_?all_?dups|hist_?ignore_?dups|hist_?ignore_?space|hist_?lex_?words|hist_?no_?functions|hist_?no_?store|hist_?reduce_?blanks|hist_?save_?by_?copy|hist_?save_?no_?dups|hist_?verify|inc_?append_?history|inc_?append_?history_?time|share_?history|all_?export|global_?export|global_?rcs|rcs|aliases|clobber|clobber_?empty|correct|correct_?all|dvorak|flow_?control|ignore_?eof|interactive_?comments|hash_?cmds|hash_?dirs|hash_?executables_?only|mail_?warning|path_?dirs|path_?script|print_?eight_?bit|print_?exit_?value|rc_?quotes|rm_?star_?silent|rm_?star_?wait|short_?loops|short_?repeat|sun_?keyboard_?hack|auto_?continue|auto_?resume|bg_?nice|check_?jobs|check_?running_?jobs|hup|long_?list_?jobs|monitor|notify|posix_?jobs|prompt_?bang|prompt_?cr|prompt_?sp|prompt_?percent|prompt_?subst|transient_?rprompt|alias_?func_?def|c_?bases|c_?precedences|debug_?before_?cmd|err_?exit|err_?return|eval_?lineno|exec|function_?argzero|local_?loops|local_?options|local_?patterns|local_?traps|multi_?func_?def|multios|octal_?zeroes|pipe_?fail|source_?trace|typeset_?silent|typeset_?to_?unset|verbose|xtrace|append_?create|bash_?rematch|bsd_?echo|continue_?on_?error|csh_?junkie_?history|csh_?junkie_?loops|csh_?junkie_?quotes|csh_?nullcmd|ksh_?arrays|ksh_?autoload|ksh_?option_?print|ksh_?typeset|ksh_?zero_?subscript|posix_?aliases|posix_?argzero|posix_?builtins|posix_?identifiers|posix_?strings|posix_?traps|sh_?file_?expansion|sh_?nullcmd|sh_?option_?letters|sh_?word_?split|traps_?async|interactive|login|privileged|restricted|shin_?stdin|single_?command|beep|combining_?chars|emacs|overstrike|single_?line_?zle|vi|zle|brace_?expand|dot_?glob|hash_?all|hist_?append|hist_?expand|log|mail_?warn|one_?cmd|physical|prompt_?vars|stdin|track_?all|no_?match
+            \)>/
 syn case match
 
 syn keyword zshTypes            float integer local typeset declare private readonly
@@ -365,7 +164,7 @@ syn region  zshGlob             start='(#' end=')'
 syn region  zshMathSubst        matchgroup=zshSubstDelim transparent
                                 \ start='\%(\$\?\)[<=>]\@<!((' skip='\\)' end='))'
                                 \ contains=zshParentheses,@zshSubst,zshNumber,
-                                \ @zshDerefs,zshString keepend fold
+                                \ @zshDerefs,zshString fold
 " The ms=s+1 prevents matching zshBrackets several times on opening brackets
 " (see https://github.com/chrisbra/vim-zsh/issues/21#issuecomment-576330348)
 syn region  zshBrackets         contained transparent start='{'ms=s+1 skip='\\}'

src/GvimExt/gvimext.cpp

@@ -776,8 +776,12 @@ STDMETHODIMP CShellExt::InvokeCommand(LPCMINVOKECOMMANDINFO lpcmi)
 		    // development.
 		    return E_FAIL;
 	    }
+
+            LPCMINVOKECOMMANDINFOEX lpcmiex = (LPCMINVOKECOMMANDINFOEX)lpcmi;
+            LPCWSTR currentDirectory = lpcmi->cbSize == sizeof(CMINVOKECOMMANDINFOEX) ? lpcmiex->lpDirectoryW : NULL;
+
 	    hr = InvokeSingleGvim(lpcmi->hwnd,
-		    lpcmi->lpDirectory,
+		    currentDirectory,
 		    lpcmi->lpVerb,
 		    lpcmi->lpParameters,
 		    lpcmi->nShow,
@@ -884,7 +888,7 @@ searchpath(char *name)
 
 
 STDMETHODIMP CShellExt::InvokeSingleGvim(HWND hParent,
-				   LPCSTR  /* pszWorkingDir */,
+				   LPCWSTR  workingDir,
 				   LPCSTR  /* pszCmd */,
 				   LPCSTR  /* pszParam */,
 				   int  /* iShowCmd */,
@@ -944,7 +948,7 @@ STDMETHODIMP CShellExt::InvokeSingleGvim(HWND hParent,
 		FALSE,		// Set handle inheritance to FALSE.
 		0,		// No creation flags.
 		NULL,		// Use parent's environment block.
-		NULL,		// Use parent's starting directory.
+		workingDir,  // Use parent's starting directory.
 		&si,		// Pointer to STARTUPINFO structure.
 		&pi)		// Pointer to PROCESS_INFORMATION structure.
        )

src/GvimExt/gvimext.h

@@ -130,7 +130,7 @@ protected:
 	    int idHWnd);
 
     STDMETHODIMP InvokeSingleGvim(HWND hParent,
-	    LPCSTR pszWorkingDir,
+	    LPCWSTR workingDir,
 	    LPCSTR pszCmd,
 	    LPCSTR pszParam,
 	    int iShowCmd,

src/Make_ami.mak

@@ -180,8 +180,11 @@ SRC += \
 	userfunc.c \
 	version.c \
 	viminfo.c \
+	vim9cmds.c \
 	vim9compile.c \
 	vim9execute.c \
+	vim9expr.c \
+	vim9instr.c \
 	vim9script.c \
 	vim9type.c \
 	window.c \

src/Make_cyg_ming.mak

@@ -825,8 +825,11 @@ OBJ = \
 	$(OUTDIR)/usercmd.o \
 	$(OUTDIR)/userfunc.o \
 	$(OUTDIR)/version.o \
+	$(OUTDIR)/vim9cmds.o \
 	$(OUTDIR)/vim9compile.o \
 	$(OUTDIR)/vim9execute.o \
+	$(OUTDIR)/vim9expr.o \
+	$(OUTDIR)/vim9instr.o \
 	$(OUTDIR)/vim9script.o \
 	$(OUTDIR)/vim9type.o \
 	$(OUTDIR)/viminfo.o \
@@ -1203,10 +1206,16 @@ $(OUTDIR)/netbeans.o: netbeans.c $(INCL) version.h
 
 $(OUTDIR)/version.o: version.c $(INCL) version.h
 
+$(OUTDIR)/vim9cmds.o: vim9cmds.c $(INCL) version.h
+
 $(OUTDIR)/vim9compile.o: vim9compile.c $(INCL) version.h
 
 $(OUTDIR)/vim9execute.o: vim9execute.c $(INCL) version.h
 
+$(OUTDIR)/vim9expr.o: vim9expr.c $(INCL) version.h
+
+$(OUTDIR)/vim9instr.o: vim9instr.c $(INCL) version.h
+
 $(OUTDIR)/vim9script.o: vim9script.c $(INCL) version.h
 
 $(OUTDIR)/vim9type.o: vim9type.c $(INCL) version.h

src/Make_mvc.mak

@@ -147,6 +147,8 @@
 #
 #	Static Code Analysis: ANALYZE=yes (works with VS2012 or later)
 #
+#	Address Sanitizer: ASAN=yes (works with VS2019 or later)
+#
 # You can combine any of these interfaces
 #
 # Example: To build the non-debug, GUI version with Perl interface:
@@ -662,6 +664,12 @@ CFLAGS = $(CFLAGS) -DHAVE_STDINT_H
 CFLAGS = $(CFLAGS) /analyze
 !endif
 
+# Address Sanitizer (ASAN) generally available starting with VS2019 version
+# 16.9
+!if ("$(ASAN)" == "yes") && ($(MSVC_MAJOR) >= 14)
+CFLAGS = $(CFLAGS) /fsanitize=address
+!endif
+
 !ifdef NODEBUG
 VIM = vim
 ! if "$(OPTIMIZE)" == "SPACE"
@@ -834,8 +842,11 @@ OBJ = \
 	$(OUTDIR)\undo.obj \
 	$(OUTDIR)\usercmd.obj \
 	$(OUTDIR)\userfunc.obj \
+	$(OUTDIR)\vim9cmds.obj \
 	$(OUTDIR)\vim9compile.obj \
 	$(OUTDIR)\vim9execute.obj \
+	$(OUTDIR)\vim9expr.obj \
+	$(OUTDIR)\vim9instr.obj \
 	$(OUTDIR)\vim9script.obj \
 	$(OUTDIR)\vim9type.obj \
 	$(OUTDIR)\viminfo.obj \
@@ -1826,10 +1837,16 @@ $(OUTDIR)/userfunc.obj:	$(OUTDIR) userfunc.c  $(INCL)
 
 $(OUTDIR)/version.obj:	$(OUTDIR) version.c  $(INCL) version.h
 
+$(OUTDIR)/vim9cmds.obj:	$(OUTDIR) vim9cmds.c  $(INCL)
+
 $(OUTDIR)/vim9compile.obj:	$(OUTDIR) vim9compile.c  $(INCL)
 
 $(OUTDIR)/vim9execute.obj:	$(OUTDIR) vim9execute.c  $(INCL)
 
+$(OUTDIR)/vim9expr.obj:	$(OUTDIR) vim9expr.c  $(INCL)
+
+$(OUTDIR)/vim9instr.obj:	$(OUTDIR) vim9instr.c  $(INCL)
+
 $(OUTDIR)/vim9script.obj:	$(OUTDIR) vim9script.c  $(INCL)
 
 $(OUTDIR)/vim9type.obj:	$(OUTDIR) vim9type.c  $(INCL)
@@ -2033,8 +2050,11 @@ proto.h: \
 	proto/undo.pro \
 	proto/usercmd.pro \
 	proto/userfunc.pro \
+	proto/vim9cmds.pro \
 	proto/vim9compile.pro \
 	proto/vim9execute.pro \
+	proto/vim9expr.pro \
+	proto/vim9instr.pro \
 	proto/vim9script.pro \
 	proto/vim9type.pro \
 	proto/viminfo.pro \

src/Make_vms.mms

@@ -2,7 +2,7 @@
 # Makefile for Vim on OpenVMS
 #
 # Maintainer:   Zoltan Arpadffy <arpadffy@polarhome.com>
-# Last change:  2021 Nov 19
+# Last change:  2021 Dec 20
 #
 # This script has been tested on VMS 6.2 to 8.4 on DEC Alpha, VAX and IA64
 # with MMS and MMK
@@ -410,8 +410,11 @@ SRC = \
 	usercmd.c \
 	userfunc.c \
 	version.c \
+	vim9cmds.c \
 	vim9compile.c \
 	vim9execute.c \
+	vim9expr.c \
+	vim9instr.c \
 	vim9script.c \
 	vim9type.c \
 	viminfo.c \
@@ -531,8 +534,11 @@ OBJ = \
 	usercmd.obj \
 	userfunc.obj \
 	version.obj \
+	vim9cmds.obj \
 	vim9compile.obj \
 	vim9execute.obj \
+	vim9expr.obj \
+	vim9instr.obj \
 	vim9script.obj \
 	vim9type.obj \
 	viminfo.obj \
@@ -1112,6 +1118,10 @@ viminfo.obj : viminfo.c vim.h [.auto]config.h feature.h os_unix.h \
  ascii.h keymap.h termdefs.h macros.h structs.h regexp.h \
  gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \
  errors.h globals.h version.h
+vim9cmds.obj : vim9cmds.c vim.h [.auto]config.h feature.h os_unix.h \
+ ascii.h keymap.h termdefs.h macros.h structs.h regexp.h \
+ gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \
+ errors.h globals.h version.h
 vim9compile.obj : vim9compile.c vim.h [.auto]config.h feature.h os_unix.h \
  ascii.h keymap.h termdefs.h macros.h structs.h regexp.h \
  gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \
@@ -1120,6 +1130,14 @@ vim9execute.obj : vim9execute.c vim.h [.auto]config.h feature.h os_unix.h \
  ascii.h keymap.h termdefs.h macros.h structs.h regexp.h \
  gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \
  errors.h globals.h version.h
+vim9expr.obj : vim9expr.c vim.h [.auto]config.h feature.h os_unix.h \
+ ascii.h keymap.h termdefs.h macros.h structs.h regexp.h \
+ gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \
+ errors.h globals.h version.h
+vim9instr.obj : vim9instr.c vim.h [.auto]config.h feature.h os_unix.h \
+ ascii.h keymap.h termdefs.h macros.h structs.h regexp.h \
+ gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \
+ errors.h globals.h version.h
 vim9script.obj : vim9script.c vim.h [.auto]config.h feature.h os_unix.h \
  ascii.h keymap.h termdefs.h macros.h structs.h regexp.h \
  gui.h beval.h [.proto]gui_beval.pro option.h ex_cmds.h proto.h \

src/Makefile

@@ -1491,13 +1491,14 @@ POST_DEFS = $(X_CFLAGS) $(MZSCHEME_CFLAGS) $(EXTRA_DEFS)
 
 ALL_CFLAGS = $(PRE_DEFS) $(CFLAGS) $(PROFILE_CFLAGS) $(SANITIZER_CFLAGS) $(LEAK_CFLAGS) $(ABORT_CFLAGS) $(POST_DEFS)
 
+ALL_IF_CFLAGS = $(LUA_CFLAGS) $(PERL_CFLAGS) $(PYTHON_CFLAGS) $(PYTHON3_CFLAGS) $(RUBY_CFLAGS) $(TCL_CFLAGS)
+ALL_IF_CFLAGS_EXTRA = $(LUA_CFLAGS_EXTRA) $(PERL_CFLAGS_EXTRA) $(PYTHON_CFLAGS_EXTRA) $(PYTHON3_CFLAGS_EXTRA) $(RUBY_CFLAGS_EXTRA) $(TCL_CFLAGS_EXTRA)
+
 # Exclude $CFLAGS for osdef.sh, for Mac 10.4 some flags don't work together
 # with "-E".
 OSDEF_CFLAGS = $(PRE_DEFS) $(POST_DEFS)
 
-LINT_CFLAGS = -DLINT -I. $(PRE_DEFS) $(POST_DEFS) \
-	      $(RUBY_CFLAGS) $(LUA_CFLAGS) $(PERL_CFLAGS) $(PYTHON_CFLAGS) \
-	      $(PYTHON3_CFLAGS) $(TCL_CFLAGS) $(VTERM_CFLAGS) \
+LINT_CFLAGS = -DLINT -I. $(PRE_DEFS) $(POST_DEFS) $(ALL_IF_CFLAGS) $(VTERM_CFLAGS) \
 	      -Dinline= -D__extension__= -Dalloca=alloca
 
 LINT_EXTRA = -D"__attribute__(x)="
@@ -1695,8 +1696,11 @@ BASIC_SRC = \
 	usercmd.c \
 	userfunc.c \
 	version.c \
+	vim9cmds.c, \
 	vim9compile.c \
 	vim9execute.c \
+	vim9expr.c, \
+	vim9instr.c, \
 	vim9script.c \
 	vim9type.c \
 	viminfo.c \
@@ -1848,8 +1852,11 @@ OBJ_COMMON = \
 	objects/usercmd.o \
 	objects/userfunc.o \
 	objects/version.o \
+	objects/vim9cmds.o \
 	objects/vim9compile.o \
 	objects/vim9execute.o \
+	objects/vim9expr.o \
+	objects/vim9instr.o \
 	objects/vim9script.o \
 	objects/vim9type.o \
 	objects/viminfo.o \
@@ -1867,7 +1874,7 @@ OBJ_COMMON = \
 	$(OS_EXTRA_OBJ) \
 	$(NETBEANS_OBJ) \
 	$(CHANNEL_OBJ) \
-	$(XDIFF_OBJS)
+	$(XDIFF_OBJS_USED)
 
 # The files included by tests are not in OBJ_COMMON.
 OBJ_MAIN = \
@@ -2034,8 +2041,11 @@ PRO_AUTO = \
 	usercmd.pro \
 	userfunc.pro \
 	version.pro \
+	vim9cmds.pro \
 	vim9compile.pro \
 	vim9execute.pro \
+	vim9expr.pro \
+	vim9instr.pro \
 	vim9script.pro \
 	vim9type.pro \
 	viminfo.pro \
@@ -3348,7 +3358,7 @@ objects/if_xcmdsrv.o: if_xcmdsrv.c
 	$(CCC) -o $@ if_xcmdsrv.c
 
 objects/if_lua.o: if_lua.c
-	$(CCC_NF) $(LUA_CFLAGS) $(ALL_CFLAGS) -o $@ if_lua.c
+	$(CCC_NF) $(LUA_CFLAGS) $(ALL_CFLAGS) $(LUA_CFLAGS_EXTRA) -o $@ if_lua.c
 
 objects/if_mzsch.o: if_mzsch.c $(MZSCHEME_EXTRA)
 	$(CCC) -o $@ $(MZSCHEME_CFLAGS_EXTRA) if_mzsch.c
@@ -3357,22 +3367,22 @@ mzscheme_base.c:
 	$(MZSCHEME_MZC) --c-mods mzscheme_base.c ++lib scheme/base
 
 objects/if_perl.o: auto/if_perl.c
-	$(CCC_NF) $(PERL_CFLAGS) $(ALL_CFLAGS) -o $@ auto/if_perl.c
+	$(CCC_NF) $(PERL_CFLAGS) $(ALL_CFLAGS) $(PERL_CFLAGS_EXTRA) -o $@ auto/if_perl.c
 
 objects/if_perlsfio.o: if_perlsfio.c
-	$(CCC_NF) $(PERL_CFLAGS) $(ALL_CFLAGS) -o $@ if_perlsfio.c
+	$(CCC_NF) $(PERL_CFLAGS) $(ALL_CFLAGS) $(PERL_CFLAGS_EXTRA) -o $@ if_perlsfio.c
 
 objects/if_python.o: if_python.c if_py_both.h
-	$(CCC_NF) $(PYTHON_CFLAGS) $(PYTHON_CFLAGS_EXTRA) $(ALL_CFLAGS) -o $@ if_python.c
+	$(CCC_NF) $(PYTHON_CFLAGS) $(ALL_CFLAGS) $(PYTHON_CFLAGS_EXTRA) -o $@ if_python.c
 
 objects/if_python3.o: if_python3.c if_py_both.h
-	$(CCC_NF) $(PYTHON3_CFLAGS) $(PYTHON3_CFLAGS_EXTRA) $(ALL_CFLAGS) -o $@ if_python3.c
+	$(CCC_NF) $(PYTHON3_CFLAGS) $(ALL_CFLAGS) $(PYTHON3_CFLAGS_EXTRA) -o $@ if_python3.c
 
 objects/if_ruby.o: if_ruby.c
-	$(CCC_NF) $(RUBY_CFLAGS) $(ALL_CFLAGS) -o $@ if_ruby.c
+	$(CCC_NF) $(RUBY_CFLAGS) $(ALL_CFLAGS) $(RUBY_CFLAGS_EXTRA) -o $@ if_ruby.c
 
 objects/if_tcl.o: if_tcl.c
-	$(CCC_NF) $(TCL_CFLAGS) $(ALL_CFLAGS) -o $@ if_tcl.c
+	$(CCC_NF) $(TCL_CFLAGS) $(ALL_CFLAGS) $(TCL_CFLAGS_EXTRA) -o $@ if_tcl.c
 
 objects/indent.o: indent.c
 	$(CCC) -o $@ indent.c
@@ -3450,10 +3460,10 @@ objects/ops.o: ops.c
 	$(CCC) -o $@ ops.c
 
 objects/option.o: option.c optiondefs.h
-	$(CCC_NF) $(LUA_CFLAGS) $(PERL_CFLAGS) $(PYTHON_CFLAGS) $(PYTHON3_CFLAGS) $(RUBY_CFLAGS) $(TCL_CFLAGS) $(ALL_CFLAGS) -o $@ option.c
+	$(CCC_NF) $(ALL_IF_CFLAGS) $(ALL_CFLAGS) $(ALL_IF_CFLAGS_EXTRA) -o $@ option.c
 
 objects/optionstr.o: optionstr.c
-	$(CCC_NF) $(LUA_CFLAGS) $(PERL_CFLAGS) $(PYTHON_CFLAGS) $(PYTHON3_CFLAGS) $(RUBY_CFLAGS) $(TCL_CFLAGS) $(ALL_CFLAGS) -o $@ optionstr.c
+	$(CCC_NF) $(ALL_IF_CFLAGS) $(ALL_CFLAGS) $(ALL_IF_CFLAGS_EXTRA) -o $@ optionstr.c
 
 objects/os_qnx.o: os_qnx.c $(VIM_H_DEPENDENCIES)
 	$(CCC) -o $@ os_qnx.c
@@ -3575,12 +3585,21 @@ objects/usercmd.o: usercmd.c
 objects/userfunc.o: userfunc.c
 	$(CCC) -o $@ userfunc.c
 
+objects/vim9cmds.o: vim9cmds.c
+	$(CCC) -o $@ vim9cmds.c
+
 objects/vim9compile.o: vim9compile.c
 	$(CCC) -o $@ vim9compile.c
 
 objects/vim9execute.o: vim9execute.c
 	$(CCC) -o $@ vim9execute.c
 
+objects/vim9expr.o: vim9expr.c
+	$(CCC) -o $@ vim9expr.c
+
+objects/vim9instr.o: vim9instr.c
+	$(CCC) -o $@ vim9instr.c
+
 objects/vim9script.o: vim9script.c
 	$(CCC) -o $@ vim9script.c
 
@@ -4137,6 +4156,10 @@ objects/version.o: version.c vim.h protodef.h auto/config.h feature.h os_unix.h
  auto/osdef.h ascii.h keymap.h termdefs.h macros.h option.h beval.h \
  proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
  proto.h globals.h errors.h version.h
+objects/vim9cmds.o: vim9cmds.c vim.h protodef.h auto/config.h feature.h \
+ os_unix.h auto/osdef.h ascii.h keymap.h termdefs.h macros.h option.h beval.h \
+ proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
+ proto.h globals.h errors.h vim9.h
 objects/vim9compile.o: vim9compile.c vim.h protodef.h auto/config.h feature.h \
  os_unix.h auto/osdef.h ascii.h keymap.h termdefs.h macros.h option.h beval.h \
  proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
@@ -4145,6 +4168,14 @@ objects/vim9execute.o: vim9execute.c vim.h protodef.h auto/config.h feature.h \
  os_unix.h auto/osdef.h ascii.h keymap.h termdefs.h macros.h option.h beval.h \
  proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
  proto.h globals.h errors.h vim9.h
+objects/vim9expr.o: vim9expr.c vim.h protodef.h auto/config.h feature.h \
+ os_unix.h auto/osdef.h ascii.h keymap.h termdefs.h macros.h option.h beval.h \
+ proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
+ proto.h globals.h errors.h vim9.h
+objects/vim9instr.o: vim9instr.c vim.h protodef.h auto/config.h feature.h \
+ os_unix.h auto/osdef.h ascii.h keymap.h termdefs.h macros.h option.h beval.h \
+ proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
+ proto.h globals.h errors.h vim9.h
 objects/vim9script.o: vim9script.c vim.h protodef.h auto/config.h feature.h \
  os_unix.h auto/osdef.h ascii.h keymap.h termdefs.h macros.h option.h beval.h \
  proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \

src/alloc.c

@@ -151,6 +151,7 @@ alloc(size_t size)
     return lalloc(size, TRUE);
 }
 
+#if defined(FEAT_QUICKFIX) || defined(PROTO)
 /*
  * alloc() with an ID for alloc_fail().
  */
@@ -163,6 +164,7 @@ alloc_id(size_t size, alloc_id_T id UNUSED)
 #endif
     return lalloc(size, TRUE);
 }
+#endif
 
 /*
  * Allocate memory and set all bytes to zero.
@@ -178,6 +180,7 @@ alloc_clear(size_t size)
     return p;
 }
 
+#if defined(FEAT_SIGNS) || defined(PROTO)
 /*
  * Same as alloc_clear() but with allocation id for testing
  */
@@ -190,6 +193,7 @@ alloc_clear_id(size_t size, alloc_id_T id UNUSED)
 #endif
     return alloc_clear(size);
 }
+#endif
 
 /*
  * Allocate memory like lalloc() and set all bytes to zero.
@@ -224,7 +228,7 @@ lalloc(size_t size, int message)
     {
 	// Don't hide this message
 	emsg_silent = 0;
-	iemsg(_("E341: Internal error: lalloc(0, )"));
+	iemsg(_(e_internal_error_lalloc_zero));
 	return NULL;
     }
 
@@ -236,7 +240,7 @@ lalloc(size_t size, int message)
     // if some blocks are released call malloc again.
     for (;;)
     {
-	// Handle three kind of systems:
+	// Handle three kinds of systems:
 	// 1. No check for available memory: Just return.
 	// 2. Slow check for available memory: call mch_avail_mem() after
 	//    allocating KEEP_ROOM amount of memory.
@@ -339,7 +343,7 @@ do_outofmem_msg(size_t size)
 	// message fails, e.g. when setting v:errmsg.
 	did_outofmem_msg = TRUE;
 
-	semsg(_("E342: Out of memory!  (allocating %lu bytes)"), (long_u)size);
+	semsg(_(e_out_of_memory_allocating_nr_bytes), (long_u)size);
 
 	if (starting == NO_SCREEN)
 	    // Not even finished with initializations and already out of
@@ -648,6 +652,7 @@ ga_clear_strings(garray_T *gap)
     ga_clear(gap);
 }
 
+#if defined(FEAT_EVAL) || defined(PROTO)
 /*
  * Copy a growing array that contains a list of strings.
  */
@@ -682,6 +687,7 @@ ga_copy_strings(garray_T *from, garray_T *to)
     to->ga_len = from->ga_len;
     return OK;
 }
+#endif
 
 /*
  * Initialize a growing array.	Don't forget to set ga_itemsize and
@@ -696,7 +702,7 @@ ga_init(garray_T *gap)
 }
 
     void
-ga_init2(garray_T *gap, int itemsize, int growsize)
+ga_init2(garray_T *gap, size_t itemsize, int growsize)
 {
     ga_init(gap);
     gap->ga_itemsize = itemsize;
@@ -783,7 +789,7 @@ ga_concat_strings(garray_T *gap, char *sep)
  * When out of memory nothing changes and FAIL is returned.
  */
     int
-ga_add_string(garray_T *gap, char_u *p)
+ga_copy_string(garray_T *gap, char_u *p)
 {
     char_u *cp = vim_strsave(p);
 
@@ -799,6 +805,19 @@ ga_add_string(garray_T *gap, char_u *p)
     return OK;
 }
 
+/*
+ * Add string "p" to "gap".
+ * When out of memory "p" is freed and FAIL is returned.
+ */
+    int
+ga_add_string(garray_T *gap, char_u *p)
+{
+    if (ga_grow(gap, 1) == FAIL)
+	return FAIL;
+    ((char_u **)(gap->ga_data))[gap->ga_len++] = p;
+    return OK;
+}
+
 /*
  * Concatenate a string to a growarray which contains bytes.
  * When "s" is NULL does not do anything.

src/arglist.c

@@ -460,7 +460,7 @@ do_arglist(
 	    vim_regfree(regmatch.regprog);
 	    vim_free(p);
 	    if (!didone)
-		semsg(_(e_nomatch2), ((char_u **)new_ga.ga_data)[i]);
+		semsg(_(e_no_match_str_2), ((char_u **)new_ga.ga_data)[i]);
 	}
 	ga_clear(&new_ga);
     }
@@ -471,7 +471,7 @@ do_arglist(
 	ga_clear(&new_ga);
 	if (i == FAIL || exp_count == 0)
 	{
-	    emsg(_(e_nomatch));
+	    emsg(_(e_no_match));
 	    return FAIL;
 	}
 
@@ -673,11 +673,11 @@ do_argfile(exarg_T *eap, int argn)
     if (argn < 0 || argn >= ARGCOUNT)
     {
 	if (ARGCOUNT <= 1)
-	    emsg(_("E163: There is only one file to edit"));
+	    emsg(_(e_there_is_only_one_file_to_edit));
 	else if (argn < 0)
-	    emsg(_("E164: Cannot go before first file"));
+	    emsg(_(e_cannot_go_before_first_file));
 	else
-	    emsg(_("E165: Cannot go beyond last file"));
+	    emsg(_(e_cannot_go_beyond_last_file));
     }
     else
     {
@@ -758,6 +758,33 @@ ex_next(exarg_T *eap)
     }
 }
 
+/*
+ * ":argdedupe"
+ */
+    void
+ex_argdedupe(exarg_T *eap UNUSED)
+{
+    int i;
+    int j;
+
+    for (i = 0; i < ARGCOUNT; ++i)
+	for (j = i + 1; j < ARGCOUNT; ++j)
+	    if (fnamecmp(ARGLIST[i].ae_fname, ARGLIST[j].ae_fname) == 0)
+	    {
+		vim_free(ARGLIST[j].ae_fname);
+		mch_memmove(ARGLIST + j, ARGLIST + j + 1,
+					(ARGCOUNT - j - 1) * sizeof(aentry_T));
+		--ARGCOUNT;
+
+		if (curwin->w_arg_idx == j)
+		    curwin->w_arg_idx = i;
+		else if (curwin->w_arg_idx > j)
+		    --curwin->w_arg_idx;
+
+		--j;
+	    }
+}
+
 /*
  * ":argedit"
  */
@@ -812,7 +839,7 @@ ex_argdelete(exarg_T *eap)
 	{
 	    if (curwin->w_arg_idx >= ARGCOUNT)
 	    {
-		emsg(_("E610: No argument to delete"));
+		emsg(_(e_no_argument_to_delete));
 		return;
 	    }
 	    eap->line1 = eap->line2 = curwin->w_arg_idx + 1;
@@ -823,7 +850,7 @@ ex_argdelete(exarg_T *eap)
 	n = eap->line2 - eap->line1 + 1;
 	if (*eap->arg != NUL)
 	    // Can't have both a range and an argument.
-	    emsg(_(e_invarg));
+	    emsg(_(e_invalid_argument));
 	else if (n <= 0)
 	{
 	    // Don't give an error for ":%argdel" if the list is empty.
@@ -910,6 +937,7 @@ do_arg_all(
     tabpage_T	*old_curtab, *last_curtab;
     win_T	*new_curwin = NULL;
     tabpage_T	*new_curtab = NULL;
+    int		prev_arglist_locked = arglist_locked;
 
 #ifdef FEAT_CMDWIN
     if (cmdwin_type != 0)
@@ -936,6 +964,7 @@ do_arg_all(
     // watch out for its size to be changed.
     alist = curwin->w_alist;
     ++alist->al_refcount;
+    arglist_locked = TRUE;
 
     old_curwin = curwin;
     old_curtab = curtab;
@@ -1100,7 +1129,7 @@ do_arg_all(
 			else if (wpnext->w_frame->fr_parent
 						 != curwin->w_frame->fr_parent)
 			{
-			    emsg(_("E249: window layout changed unexpectedly"));
+			    emsg(_(e_window_layout_changed_unexpectedly));
 			    i = count;
 			    break;
 			}
@@ -1155,6 +1184,7 @@ do_arg_all(
 
     // Remove the "lock" on the argument list.
     alist_unlink(alist);
+    arglist_locked = prev_arglist_locked;
 
     --autocmd_no_enter;
 

src/auto/configure

@@ -662,12 +662,14 @@ CHANNEL_SRC
 NETBEANS_OBJ
 NETBEANS_SRC
 RUBY_LIBS
+RUBY_CFLAGS_EXTRA
 RUBY_CFLAGS
 RUBY_PRO
 RUBY_OBJ
 RUBY_SRC
 vi_cv_path_ruby
 TCL_LIBS
+TCL_CFLAGS_EXTRA
 TCL_CFLAGS
 TCL_PRO
 TCL_OBJ
@@ -675,15 +677,18 @@ TCL_SRC
 vi_cv_path_tcl
 PYTHON3_OBJ
 PYTHON3_SRC
+PYTHON3_CFLAGS_EXTRA
 PYTHON3_CFLAGS
 PYTHON3_LIBS
 vi_cv_path_python3
 PYTHON_OBJ
 PYTHON_SRC
+PYTHON_CFLAGS_EXTRA
 PYTHON_CFLAGS
 PYTHON_LIBS
 vi_cv_path_python
 PERL_LIBS
+PERL_CFLAGS_EXTRA
 PERL_CFLAGS
 PERL_PRO
 PERL_OBJ
@@ -700,6 +705,7 @@ MZSCHEME_PRO
 MZSCHEME_OBJ
 MZSCHEME_SRC
 vi_cv_path_mzscheme
+LUA_CFLAGS_EXTRA
 LUA_CFLAGS
 LUA_LIBS
 LUA_PRO
@@ -708,6 +714,7 @@ LUA_SRC
 vi_cv_path_plain_lua
 vi_cv_path_luajit
 vi_cv_path_lua
+XDIFF_OBJS_USED
 compiledby
 dogvimdiff
 dovimdiff
@@ -4545,9 +4552,42 @@ fi
 
 OS_EXTRA_SRC=""; OS_EXTRA_OBJ=""
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking uname" >&5
+$as_echo_n "checking uname... " >&6; }
+if test "x$vim_cv_uname_output" = "x" ; then
+  vim_cv_uname_output=`(uname) 2>/dev/null`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $vim_cv_uname_output" >&5
+$as_echo "$vim_cv_uname_output" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $vim_cv_uname_output (cached)" >&5
+$as_echo "$vim_cv_uname_output (cached)" >&6; }
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking uname -r" >&5
+$as_echo_n "checking uname -r... " >&6; }
+if test "x$vim_cv_uname_r_output" = "x" ; then
+  vim_cv_uname_r_output=`(uname -r) 2>/dev/null`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $vim_cv_uname_r_output" >&5
+$as_echo "$vim_cv_uname_r_output" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $vim_cv_uname_r_output (cached)" >&5
+$as_echo "$vim_cv_uname_r_output (cached)" >&6; }
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking uname -m" >&5
+$as_echo_n "checking uname -m... " >&6; }
+if test "x$vim_cv_uname_m_output" = "x" ; then
+  vim_cv_uname_m_output=`(uname -m) 2>/dev/null`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $vim_cv_uname_m_output" >&5
+$as_echo "$vim_cv_uname_m_output" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $vim_cv_uname_m_output (cached)" >&5
+$as_echo "$vim_cv_uname_m_output (cached)" >&6; }
+fi
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Haiku" >&5
 $as_echo_n "checking for Haiku... " >&6; }
-case `uname` in
+case $vim_cv_uname_output in
     Haiku) HAIKU=yes; { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; };;
     *)     HAIKU=no; { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
@@ -4556,7 +4596,7 @@ esac
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for QNX" >&5
 $as_echo_n "checking for QNX... " >&6; }
-case `uname` in
+case $vim_cv_uname_output in
     QNX)	OS_EXTRA_SRC=os_qnx.c; OS_EXTRA_OBJ=objects/os_qnx.o
 		test -z "$with_x" && with_x=no
 		QNX=yes; { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
@@ -4567,7 +4607,7 @@ esac
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Darwin (Mac OS X)" >&5
 $as_echo_n "checking for Darwin (Mac OS X)... " >&6; }
-if test "`(uname) 2>/dev/null`" = Darwin; then
+if test "$vim_cv_uname_output" = Darwin; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
   MACOS_X=yes
@@ -4968,7 +5008,7 @@ esac
 if test "$cf_cv_ebcdic" = "yes"; then
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for z/OS Unix" >&5
 $as_echo_n "checking for z/OS Unix... " >&6; }
-case `uname` in
+case $vim_cv_uname_output in
     OS/390)	zOSUnix="yes";
 										if test "$CC" = "cc"; then
 		  ccm="$_CC_CCMODE"
@@ -5266,6 +5306,20 @@ else
 $as_echo "yes" >&6; }
 fi
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking diff feature" >&5
+$as_echo_n "checking diff feature... " >&6; }
+if test "x$features" = "xtiny" -o "x$features" = "xsmall"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: disabled in $features version" >&5
+$as_echo "disabled in $features version" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: enabled" >&5
+$as_echo "enabled" >&6; }
+  $as_echo "#define FEAT_DIFF 1" >>confdefs.h
+
+  XDIFF_OBJS_USED="\$(XDIFF_OBJS)"
+
+fi
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking --enable-luainterp argument" >&5
 $as_echo_n "checking --enable-luainterp argument... " >&6; }
 # Check whether --enable-luainterp was given.
@@ -5613,7 +5667,7 @@ $as_echo "yes" >&6; }
     fi
     if test "X$LUA_CFLAGS$LUA_LIBS" != "X" && \
        test "x$MACOS_X" = "xyes" && test "x$vi_cv_with_luajit" != "xno" && \
-       test "`(uname -m) 2>/dev/null`" = "x86_64"; then
+       test "$vim_cv_uname_m_output" = "x86_64"; then
             LUA_LIBS="-pagezero_size 10000 -image_base 100000000 $LUA_LIBS"
     fi
   fi
@@ -5625,6 +5679,7 @@ $as_echo "yes" >&6; }
 
 
 
+
 fi
 
 
@@ -5850,8 +5905,8 @@ $as_echo "not found" >&6; }
 	  fi
 	  if test "$GCC" = yes; then
 	    	    	    MZSCHEME_LIBS="${MZSCHEME_LIBS} -Wl,-rpath -Wl,${path}"
-	  elif test "`(uname) 2>/dev/null`" = SunOS &&
-				   uname -r | grep '^5' >/dev/null; then
+	  elif test "$vim_cv_uname_output" = SunOS &&
+			   echo $vim_cv_uname_r_output | grep '^5' >/dev/null; then
 	    MZSCHEME_LIBS="${MZSCHEME_LIBS} -R ${path}"
 	  fi
 	fi
@@ -6240,6 +6295,7 @@ fi
 
 
 
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking --enable-pythoninterp argument" >&5
 $as_echo_n "checking --enable-pythoninterp argument... " >&6; }
 # Check whether --enable-pythoninterp was given.
@@ -6492,13 +6548,13 @@ $as_echo "$vi_cv_dll_name_python" >&6; }
 $as_echo_n "checking if -pthread should be used... " >&6; }
 	threadsafe_flag=
 	thread_lib=
-	        if test "`(uname) 2>/dev/null`" != Darwin; then
+	        if test "$vim_cv_uname_output" != Darwin; then
 	  test "$GCC" = yes && threadsafe_flag="-pthread"
-	  if test "`(uname) 2>/dev/null`" = FreeBSD; then
+	  if test "$vim_cv_uname_output" = FreeBSD; then
 	    threadsafe_flag="-D_THREAD_SAFE"
 	    thread_lib="-pthread"
 	  fi
-	  if test "`(uname) 2>/dev/null`" = SunOS; then
+	  if test "$vim_cv_uname_output" = SunOS; then
 	    threadsafe_flag="-pthreads"
 	  fi
 	fi
@@ -6590,6 +6646,7 @@ fi
 
 
 
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking --enable-python3interp argument" >&5
 $as_echo_n "checking --enable-python3interp argument... " >&6; }
 # Check whether --enable-python3interp was given.
@@ -6840,13 +6897,13 @@ $as_echo "$vi_cv_dll_name_python3" >&6; }
 $as_echo_n "checking if -pthread should be used... " >&6; }
         threadsafe_flag=
         thread_lib=
-                if test "`(uname) 2>/dev/null`" != Darwin; then
+                if test "$vim_cv_uname_output" != Darwin; then
           test "$GCC" = yes && threadsafe_flag="-pthread"
-          if test "`(uname) 2>/dev/null`" = FreeBSD; then
+          if test "$vim_cv_uname_output" = FreeBSD; then
             threadsafe_flag="-D_THREAD_SAFE"
             thread_lib="-pthread"
           fi
-          if test "`(uname) 2>/dev/null`" = SunOS; then
+          if test "$vim_cv_uname_output" = SunOS; then
             threadsafe_flag="-pthreads"
           fi
         fi
@@ -6936,6 +6993,7 @@ fi
 
 
 
+
 if test "$python_ok" = yes && test "$python3_ok" = yes; then
   $as_echo "#define DYNAMIC_PYTHON 1" >>confdefs.h
 
@@ -7470,8 +7528,8 @@ $as_echo_n "checking for Tcl library by myself... " >&6; }
 		  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $try/lib$trylib" >&5
 $as_echo "$try/lib$trylib" >&6; }
 		  TCL_LIBS="-L\"$try\" -ltcl$ver -ldl -lm"
-		  if test "`(uname) 2>/dev/null`" = SunOS &&
-					 uname -r | grep '^5' >/dev/null; then
+		  if test "$vim_cv_uname_output" = SunOS &&
+					 echo $vim_cv_uname_r_output | grep '^5' >/dev/null; then
 		    TCL_LIBS="$TCL_LIBS -R $try"
 		  fi
 		  break 3
@@ -7516,6 +7574,7 @@ fi
 
 
 
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking --enable-rubyinterp argument" >&5
 $as_echo_n "checking --enable-rubyinterp argument... " >&6; }
 # Check whether --enable-rubyinterp was given.
@@ -7679,6 +7738,7 @@ fi
 
 
 
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking --enable-cscope argument" >&5
 $as_echo_n "checking --enable-cscope argument... " >&6; }
 # Check whether --enable-cscope was given.
@@ -8911,8 +8971,8 @@ fi
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: Corrected X libraries to $x_libraries" >&5
 $as_echo "Corrected X libraries to $x_libraries" >&6; }
     X_LIBS="$X_LIBS -L$x_libraries"
-    if test "`(uname) 2>/dev/null`" = SunOS &&
-					 uname -r | grep '^5' >/dev/null; then
+    if test "$vim_cv_uname_output" = SunOS &&
+					 echo $vim_cv_uname_r_output | grep '^5' >/dev/null; then
       X_LIBS="$X_LIBS -R $x_libraries"
     fi
   fi
@@ -9736,7 +9796,7 @@ $as_echo "yes" >&6; }
 
                   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for FreeBSD" >&5
 $as_echo_n "checking for FreeBSD... " >&6; }
-      if test "`(uname) 2>/dev/null`" = FreeBSD; then
+      if test "$vim_cv_uname_output" = FreeBSD; then
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 	GNOME_INCLUDEDIR="$GNOME_INCLUDEDIR -D_THREAD_SAFE"
@@ -10220,8 +10280,8 @@ $as_echo "in default path" >&6; }
 	if test -n "$GUI_LIB_LOC"; then
 	  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GUI_LIB_LOC" >&5
 $as_echo "$GUI_LIB_LOC" >&6; }
-	  if test "`(uname) 2>/dev/null`" = SunOS &&
-					 uname -r | grep '^5' >/dev/null; then
+	  if test "$vim_cv_uname_output" = SunOS &&
+					 echo $vim_cv_uname_r_output | grep '^5' >/dev/null; then
 	    GUI_LIB_LOC="$GUI_LIB_LOC -R $GUI_LIB_LOC"
 	  fi
 	fi
@@ -10768,7 +10828,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for CYGWIN or MSYS environment" >&5
 $as_echo_n "checking for CYGWIN or MSYS environment... " >&6; }
-case `uname` in
+case $vim_cv_uname_output in
     CYGWIN*|MSYS*)    CYGWIN=yes; { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for CYGWIN clipboard support" >&5
@@ -11965,7 +12025,7 @@ rm -f core conftest.err conftest.$ac_objext \
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: empty: automatic terminal library selection" >&5
 $as_echo "empty: automatic terminal library selection" >&6; }
-                case "`uname -s 2>/dev/null`" in
+                case "$vim_cv_uname_output" in
 	OSF1|SCO_SV)	tlibs="tinfo ncurses curses termlib termcap";;
 	*)	tlibs="tinfo ncurses termlib termcap curses";;
   esac

src/autocmd.c

@@ -515,9 +515,9 @@ au_del_group(char_u *name)
 
     i = au_find_group(name);
     if (i == AUGROUP_ERROR)	// the group doesn't exist
-	semsg(_("E367: No such group: \"%s\""), name);
+	semsg(_(e_no_such_group_str), name);
     else if (i == current_augroup)
-	emsg(_("E936: Cannot delete the current group"));
+	emsg(_(e_cannot_delete_current_group));
     else
     {
 	event_T	event;
@@ -580,7 +580,7 @@ do_augroup(char_u *arg, int del_group)
     if (del_group)
     {
 	if (*arg == NUL)
-	    emsg(_(e_argreq));
+	    emsg(_(e_argument_required));
 	else
 	    au_del_group(arg);
     }
@@ -687,7 +687,7 @@ find_end_event(
     {
 	if (arg[1] && !VIM_ISWHITE(arg[1]))
 	{
-	    semsg(_("E215: Illegal character after *: %s"), arg);
+	    semsg(_(e_illegal_character_after_star_str), arg);
 	    return NULL;
 	}
 	pat = arg + 1;
@@ -699,9 +699,9 @@ find_end_event(
 	    if ((int)event_name2nr(pat, &p) >= NUM_EVENTS)
 	    {
 		if (have_group)
-		    semsg(_("E216: No such event: %s"), pat);
+		    semsg(_(e_no_such_event_str), pat);
 		else
-		    semsg(_("E216: No such group or event: %s"), pat);
+		    semsg(_(e_no_such_group_or_event_str), pat);
 		return NULL;
 	    }
 	}
@@ -911,7 +911,7 @@ do_autocmd(exarg_T *eap, char_u *arg_in, int forceit)
 		if (STRNCMP(cmd, "++once", 6) == 0 && VIM_ISWHITE(cmd[6]))
 		{
 		    if (once)
-			semsg(_(e_duparg2), "++once");
+			semsg(_(e_duplicate_argument_str), "++once");
 		    once = TRUE;
 		    cmd = skipwhite(cmd + 6);
 		}
@@ -920,7 +920,7 @@ do_autocmd(exarg_T *eap, char_u *arg_in, int forceit)
 		if ((STRNCMP(cmd, "++nested", 8) == 0 && VIM_ISWHITE(cmd[8])))
 		{
 		    if (nested)
-			semsg(_(e_duparg2), "++nested");
+			semsg(_(e_duplicate_argument_str), "++nested");
 		    nested = TRUE;
 		    cmd = skipwhite(cmd + 8);
 		}
@@ -929,7 +929,7 @@ do_autocmd(exarg_T *eap, char_u *arg_in, int forceit)
 		if (STRNCMP(cmd, "nested", 6) == 0 && VIM_ISWHITE(cmd[6]))
 		{
 		    if (nested)
-			semsg(_(e_duparg2), "nested");
+			semsg(_(e_duplicate_argument_str), "nested");
 		    nested = TRUE;
 		    cmd = skipwhite(cmd + 6);
 		}
@@ -967,7 +967,7 @@ do_autocmd(exarg_T *eap, char_u *arg_in, int forceit)
     last_group = AUGROUP_ERROR;		// for listing the group name
     if (*arg == '*' || *arg == NUL || *arg == '|')
     {
-	if (!forceit && *cmd != NUL)
+	if (*cmd != NUL)
 	    emsg(_(e_cannot_define_autocommands_for_all_events));
 	else
 	    for (event = (event_T)0; (int)event < NUM_EVENTS;
@@ -1205,8 +1205,7 @@ do_autocmd_event(
 		if (is_buflocal && (buflocal_nr == 0
 				      || buflist_findnr(buflocal_nr) == NULL))
 		{
-		    semsg(_("E680: <buffer=%d>: invalid buffer number "),
-								 buflocal_nr);
+		    semsg(_(e_buffer_nr_invalid_buffer_number), buflocal_nr);
 		    return FAIL;
 		}
 
@@ -1329,7 +1328,7 @@ do_doautocmd(
 
     if (*arg == '*')
     {
-	emsg(_("E217: Can't execute autocommands for ALL events"));
+	emsg(_(e_cant_execute_autocommands_for_all_events));
 	return FAIL;
     }
 
@@ -1425,8 +1424,6 @@ ex_doautoall(exarg_T *eap)
 	if (call_do_modelines && did_aucmd)
 	    do_modelines(0);
     }
-
-    check_cursor();	    // just in case lines got deleted
 }
 
 /*
@@ -1533,6 +1530,10 @@ aucmd_prepbuf(
     curbuf = buf;
     aco->new_curwin_id = curwin->w_id;
     set_bufref(&aco->new_curbuf, curbuf);
+
+    // disable the Visual area, the position may be invalid in another buffer
+    aco->save_VIsual_active = VIsual_active;
+    VIsual_active = FALSE;
 }
 
 /*
@@ -1613,10 +1614,15 @@ win_found:
 #endif
 	}
 #if defined(FEAT_GUI)
-	// Hide the scrollbars from the aucmd_win and update.
-	gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_LEFT], FALSE);
-	gui_mch_enable_scrollbar(&aucmd_win->w_scrollbars[SBAR_RIGHT], FALSE);
-	gui_may_update_scrollbars();
+	if (gui.in_use)
+	{
+	    // Hide the scrollbars from the aucmd_win and update.
+	    gui_mch_enable_scrollbar(
+				   &aucmd_win->w_scrollbars[SBAR_LEFT], FALSE);
+	    gui_mch_enable_scrollbar(
+				  &aucmd_win->w_scrollbars[SBAR_RIGHT], FALSE);
+	    gui_may_update_scrollbars();
+	}
 #endif
     }
     else
@@ -1652,6 +1658,11 @@ win_found:
 	    check_cursor();
 	}
     }
+
+    check_cursor();	    // just in case lines got deleted
+    VIsual_active = aco->save_VIsual_active;
+    if (VIsual_active)
+	check_pos(curbuf, &VIsual);
 }
 
 static int	autocmd_nested = FALSE;
@@ -1891,6 +1902,7 @@ apply_autocmds_group(
     int		did_save_redobuff = FALSE;
     save_redo_T	save_redo;
     int		save_KeyTyped = KeyTyped;
+    int		save_did_emsg;
     ESTACK_CHECK_DECLARATION
 
     /*
@@ -1936,7 +1948,7 @@ apply_autocmds_group(
      */
     if (nesting == 10)
     {
-	emsg(_("E218: autocommand nesting too deep"));
+	emsg(_(e_autocommand_nesting_too_deep));
 	goto BYPASS_AU;
     }
 
@@ -2171,9 +2183,13 @@ apply_autocmds_group(
 	    // make sure cursor and topline are valid
 	    check_lnums(TRUE);
 
+	save_did_emsg = did_emsg;
+
 	do_cmdline(NULL, getnextac, (void *)&patcmd,
 				     DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT);
 
+	did_emsg += save_did_emsg;
+
 	if (nesting == 1)
 	    // restore cursor and topline, unless they were changed
 	    reset_lnums();

src/blob.c

@@ -240,6 +240,7 @@ blob2string(blob_T *blob, char_u **tofree, char_u *numbuf)
 	vim_snprintf((char *)numbuf, NUMBUFLEN, "%02X", (int)blob_get(blob, i));
 	ga_concat(&ga, numbuf);
     }
+    ga_append(&ga, NUL);		// append a NUL at the end
     *tofree = ga.ga_data;
     return *tofree;
 }
@@ -349,7 +350,7 @@ blob_slice_or_index(
 	}
 	else
 	{
-	    semsg(_(e_blobidx), n1);
+	    semsg(_(e_blob_index_out_of_range_nr), n1);
 	    return FAIL;
 	}
     }
@@ -365,7 +366,7 @@ check_blob_index(long bloblen, varnumber_T n1, int quiet)
     if (n1 < 0 || n1 > bloblen)
     {
 	if (!quiet)
-	    semsg(_(e_blobidx), n1);
+	    semsg(_(e_blob_index_out_of_range_nr), n1);
 	return FAIL;
     }
     return OK;
@@ -380,7 +381,7 @@ check_blob_range(long bloblen, varnumber_T n1, varnumber_T n2, int quiet)
     if (n2 < 0 || n2 >= bloblen || n2 < n1)
     {
 	if (!quiet)
-	    semsg(_(e_blobidx), n2);
+	    semsg(_(e_blob_index_out_of_range_nr), n2);
 	return FAIL;
     }
     return OK;
@@ -398,7 +399,7 @@ blob_set_range(blob_T *dest, long n1, long n2, typval_T *src)
 
     if (n2 - n1 + 1 != blob_len(src->vval.v_blob))
     {
-	emsg(_("E972: Blob value does not have the right number of bytes"));
+	emsg(_(e_blob_value_does_not_have_right_number_of_bytes));
 	return FAIL;
     }
 
@@ -409,78 +410,306 @@ blob_set_range(blob_T *dest, long n1, long n2, typval_T *src)
 }
 
 /*
- * "remove({blob})" function
+ * "add(blob, item)" function
+ */
+    void
+blob_add(typval_T *argvars, typval_T *rettv)
+{
+    blob_T	*b = argvars[0].vval.v_blob;
+    int		error = FALSE;
+    varnumber_T n;
+
+    if (b == NULL)
+    {
+	if (in_vim9script())
+	    emsg(_(e_cannot_add_to_null_blob));
+	return;
+    }
+
+    if (value_check_lock(b->bv_lock, (char_u *)N_("add() argument"), TRUE))
+	return;
+
+    n = tv_get_number_chk(&argvars[1], &error);
+    if (error)
+	return;
+
+    ga_append(&b->bv_ga, (int)n);
+    copy_tv(&argvars[0], rettv);
+}
+
+/*
+ * "remove({blob}, {idx} [, {end}])" function
  */
     void
 blob_remove(typval_T *argvars, typval_T *rettv, char_u *arg_errmsg)
 {
     blob_T	*b = argvars[0].vval.v_blob;
+    blob_T	*newblob;
     int		error = FALSE;
     long	idx;
     long	end;
+    int		len;
+    char_u	*p;
 
     if (b != NULL && value_check_lock(b->bv_lock, arg_errmsg, TRUE))
 	return;
 
     idx = (long)tv_get_number_chk(&argvars[1], &error);
-    if (!error)
-    {
-	int	len = blob_len(b);
-	char_u  *p;
+    if (error)
+	return;
 
-	if (idx < 0)
-	    // count from the end
-	    idx = len + idx;
-	if (idx < 0 || idx >= len)
+    len = blob_len(b);
+
+    if (idx < 0)
+	// count from the end
+	idx = len + idx;
+    if (idx < 0 || idx >= len)
+    {
+	semsg(_(e_blob_index_out_of_range_nr), idx);
+	return;
+    }
+    if (argvars[2].v_type == VAR_UNKNOWN)
+    {
+	// Remove one item, return its value.
+	p = (char_u *)b->bv_ga.ga_data;
+	rettv->vval.v_number = (varnumber_T) *(p + idx);
+	mch_memmove(p + idx, p + idx + 1, (size_t)len - idx - 1);
+	--b->bv_ga.ga_len;
+	return;
+    }
+
+    // Remove range of items, return blob with values.
+    end = (long)tv_get_number_chk(&argvars[2], &error);
+    if (error)
+	return;
+    if (end < 0)
+	// count from the end
+	end = len + end;
+    if (end >= len || idx > end)
+    {
+	semsg(_(e_blob_index_out_of_range_nr), end);
+	return;
+    }
+    newblob = blob_alloc();
+    if (newblob == NULL)
+	return;
+    newblob->bv_ga.ga_len = end - idx + 1;
+    if (ga_grow(&newblob->bv_ga, end - idx + 1) == FAIL)
+    {
+	vim_free(newblob);
+	return;
+    }
+    p = (char_u *)b->bv_ga.ga_data;
+    mch_memmove((char_u *)newblob->bv_ga.ga_data, p + idx,
+	    (size_t)(end - idx + 1));
+    ++newblob->bv_refcount;
+    rettv->v_type = VAR_BLOB;
+    rettv->vval.v_blob = newblob;
+
+    if (len - end - 1 > 0)
+	mch_memmove(p + idx, p + end + 1, (size_t)(len - end - 1));
+    b->bv_ga.ga_len -= end - idx + 1;
+}
+
+/*
+ * Implementation of map() and filter() for a Blob.  Apply "expr" to every
+ * number in Blob "blob_arg" and return the result in "rettv".
+ */
+    void
+blob_filter_map(
+	blob_T		*blob_arg,
+	filtermap_T	filtermap,
+	typval_T	*expr,
+	typval_T	*rettv)
+{
+    blob_T	*b;
+    int		i;
+    typval_T	tv;
+    varnumber_T	val;
+    blob_T	*b_ret;
+    int		idx = 0;
+    int		rem;
+
+    if (filtermap == FILTERMAP_MAPNEW)
+    {
+	rettv->v_type = VAR_BLOB;
+	rettv->vval.v_blob = NULL;
+    }
+    if ((b = blob_arg) == NULL)
+	return;
+
+    b_ret = b;
+    if (filtermap == FILTERMAP_MAPNEW)
+    {
+	if (blob_copy(b, rettv) == FAIL)
+	    return;
+	b_ret = rettv->vval.v_blob;
+    }
+
+    // set_vim_var_nr() doesn't set the type
+    set_vim_var_type(VV_KEY, VAR_NUMBER);
+
+    for (i = 0; i < b->bv_ga.ga_len; i++)
+    {
+	typval_T newtv;
+
+	tv.v_type = VAR_NUMBER;
+	val = blob_get(b, i);
+	tv.vval.v_number = val;
+	set_vim_var_nr(VV_KEY, idx);
+	if (filter_map_one(&tv, expr, filtermap, &newtv, &rem) == FAIL
+		|| did_emsg)
+	    break;
+	if (newtv.v_type != VAR_NUMBER && newtv.v_type != VAR_BOOL)
 	{
-	    semsg(_(e_blobidx), idx);
+	    clear_tv(&newtv);
+	    emsg(_(e_invalid_operation_for_blob));
+	    break;
+	}
+	if (filtermap != FILTERMAP_FILTER)
+	{
+	    if (newtv.vval.v_number != val)
+		blob_set(b_ret, i, newtv.vval.v_number);
+	}
+	else if (rem)
+	{
+	    char_u *p = (char_u *)blob_arg->bv_ga.ga_data;
+
+	    mch_memmove(p + i, p + i + 1,
+		    (size_t)b->bv_ga.ga_len - i - 1);
+	    --b->bv_ga.ga_len;
+	    --i;
+	}
+	++idx;
+    }
+}
+
+/*
+ * "insert(blob, {item} [, {idx}])" function
+ */
+    void
+blob_insert_func(typval_T *argvars, typval_T *rettv)
+{
+    blob_T	*b = argvars[0].vval.v_blob;
+    long	before = 0;
+    int		error = FALSE;
+    int		val, len;
+    char_u	*p;
+
+    if (b == NULL)
+    {
+	if (in_vim9script())
+	    emsg(_(e_cannot_add_to_null_blob));
+	return;
+    }
+
+    if (value_check_lock(b->bv_lock, (char_u *)N_("insert() argument"), TRUE))
+	return;
+
+    len = blob_len(b);
+    if (argvars[2].v_type != VAR_UNKNOWN)
+    {
+	before = (long)tv_get_number_chk(&argvars[2], &error);
+	if (error)
+	    return;		// type error; errmsg already given
+	if (before < 0 || before > len)
+	{
+	    semsg(_(e_invalid_argument_str), tv_get_string(&argvars[2]));
 	    return;
 	}
-	if (argvars[2].v_type == VAR_UNKNOWN)
-	{
-	    // Remove one item, return its value.
-	    p = (char_u *)b->bv_ga.ga_data;
-	    rettv->vval.v_number = (varnumber_T) *(p + idx);
-	    mch_memmove(p + idx, p + idx + 1, (size_t)len - idx - 1);
-	    --b->bv_ga.ga_len;
-	}
-	else
-	{
-	    blob_T  *blob;
-
-	    // Remove range of items, return blob with values.
-	    end = (long)tv_get_number_chk(&argvars[2], &error);
-	    if (error)
-		return;
-	    if (end < 0)
-		// count from the end
-		end = len + end;
-	    if (end >= len || idx > end)
-	    {
-		semsg(_(e_blobidx), end);
-		return;
-	    }
-	    blob = blob_alloc();
-	    if (blob == NULL)
-		return;
-	    blob->bv_ga.ga_len = end - idx + 1;
-	    if (ga_grow(&blob->bv_ga, end - idx + 1) == FAIL)
-	    {
-		vim_free(blob);
-		return;
-	    }
-	    p = (char_u *)b->bv_ga.ga_data;
-	    mch_memmove((char_u *)blob->bv_ga.ga_data, p + idx,
-						  (size_t)(end - idx + 1));
-	    ++blob->bv_refcount;
-	    rettv->v_type = VAR_BLOB;
-	    rettv->vval.v_blob = blob;
-
-	    if (len - end - 1 > 0)
-		mch_memmove(p + idx, p + end + 1, (size_t)(len - end - 1));
-	    b->bv_ga.ga_len -= end - idx + 1;
-	}
     }
+    val = tv_get_number_chk(&argvars[1], &error);
+    if (error)
+	return;
+    if (val < 0 || val > 255)
+    {
+	semsg(_(e_invalid_argument_str), tv_get_string(&argvars[1]));
+	return;
+    }
+
+    if (ga_grow(&b->bv_ga, 1) == FAIL)
+	return;
+    p = (char_u *)b->bv_ga.ga_data;
+    mch_memmove(p + before + 1, p + before, (size_t)len - before);
+    *(p + before) = val;
+    ++b->bv_ga.ga_len;
+
+    copy_tv(&argvars[0], rettv);
+}
+
+/*
+ * reduce() Blob argvars[0] using the function 'funcname' with arguments in
+ * 'funcexe' starting with the initial value argvars[2] and return the result
+ * in 'rettv'.
+ */
+    void
+blob_reduce(
+	typval_T	*argvars,
+	char_u		*func_name,
+	funcexe_T	*funcexe,
+	typval_T	*rettv)
+{
+    blob_T	*b = argvars[0].vval.v_blob;
+    int		called_emsg_start = called_emsg;
+    int		r;
+    typval_T	initial;
+    typval_T	argv[3];
+    int	i;
+
+    if (argvars[2].v_type == VAR_UNKNOWN)
+    {
+	if (b == NULL || b->bv_ga.ga_len == 0)
+	{
+	    semsg(_(e_reduce_of_an_empty_str_with_no_initial_value), "Blob");
+	    return;
+	}
+	initial.v_type = VAR_NUMBER;
+	initial.vval.v_number = blob_get(b, 0);
+	i = 1;
+    }
+    else if (argvars[2].v_type != VAR_NUMBER)
+    {
+	emsg(_(e_number_expected));
+	return;
+    }
+    else
+    {
+	initial = argvars[2];
+	i = 0;
+    }
+
+    copy_tv(&initial, rettv);
+    if (b == NULL)
+	return;
+
+    for ( ; i < b->bv_ga.ga_len; i++)
+    {
+	argv[0] = *rettv;
+	argv[1].v_type = VAR_NUMBER;
+	argv[1].vval.v_number = blob_get(b, i);
+	r = call_func(func_name, -1, rettv, 2, argv, funcexe);
+	clear_tv(&argv[0]);
+	if (r == FAIL || called_emsg != called_emsg_start)
+	    return;
+    }
+}
+
+/*
+ * "reverse({blob})" function
+ */
+    void
+blob_reverse(blob_T *b, typval_T *rettv)
+{
+    int	i, len = blob_len(b);
+
+    for (i = 0; i < len / 2; i++)
+    {
+	int tmp = blob_get(b, i);
+
+	blob_set(b, i, blob_get(b, len - i - 1));
+	blob_set(b, len - i - 1, tmp);
+    }
+    rettv_blob_set(rettv, b);
 }
 
 /*

src/blowfish.c

@@ -416,7 +416,7 @@ bf_key_init(
     keylen = (int)STRLEN(key) / 2;
     if (keylen == 0)
     {
-	iemsg(_("E831: bf_key_init() called with empty password"));
+	iemsg(_(e_bf_key_init_called_with_empty_password));
 	return;
     }
     for (i = 0; i < keylen; i++)
@@ -519,7 +519,7 @@ bf_self_test(void)
     // warning.
     if (ui != 0xffffffffUL || ui + 1 != 0) {
 	err++;
-	emsg(_("E820: sizeof(uint32_t) != 4"));
+	emsg(_(e_sizeof_uint32_isnot_four));
     }
 
     if (!bf_check_tables(pax_init, sbx_init, 0x6ffa520a))
@@ -540,7 +540,7 @@ bf_self_test(void)
 	if (memcmp(bk.uc, bf_test_data[i].cryptxt, 8) != 0)
 	{
 	    if (err == 0 && memcmp(bk.uc, bf_test_data[i].badcryptxt, 8) == 0)
-		emsg(_("E817: Blowfish big/little endian use wrong"));
+		emsg(_(e_blowfish_big_little_endian_use_wrong));
 	    err++;
 	}
     }
@@ -651,7 +651,7 @@ crypt_blowfish_init(
     state->method_state = bfs;
 
     // "blowfish" uses a 64 byte buffer, causing it to repeat 8 byte groups 8
-    // times.  "blowfish2" uses a 8 byte buffer to avoid repeating.
+    // times.  "blowfish2" uses an 8 byte buffer to avoid repeating.
     bfs->cfb_len = state->method_nr == CRYPT_M_BF ? BF_MAX_CFB_LEN : BF_BLOCK;
 
     if (blowfish_self_test() == FAIL)
@@ -672,12 +672,12 @@ blowfish_self_test(void)
 {
     if (sha256_self_test() == FAIL)
     {
-	emsg(_("E818: sha256 test failed"));
+	emsg(_(e_sha256_test_failed));
 	return FAIL;
     }
     if (bf_self_test() == FAIL)
     {
-	emsg(_("E819: Blowfish test failed"));
+	emsg(_(e_blowfish_test_failed));
 	return FAIL;
     }
     return OK;

src/buffer.c

@@ -63,7 +63,6 @@ static void	clear_wininfo(buf_T *buf);
 static char *msg_loclist = N_("[Location List]");
 static char *msg_qflist = N_("[Quickfix List]");
 #endif
-static char *e_auabort = N_("E855: Autocommands caused command to abort");
 
 // Number of times free_buffer() was called.
 static int	buf_free_count = 0;
@@ -139,6 +138,7 @@ read_buffer(
     return retval;
 }
 
+#if defined(FEAT_EVAL) || defined(PROTO)
 /*
  * Ensure buffer "buf" is loaded.  Does not trigger the swap-exists action.
  */
@@ -155,6 +155,7 @@ buffer_ensure_loaded(buf_T *buf)
 	aucmd_restbuf(&aco);
     }
 }
+#endif
 
 /*
  * Open current buffer, that is: open the memfile and read the file into
@@ -427,7 +428,7 @@ buf_hashtab_add(buf_T *buf)
 {
     sprintf((char *)buf->b_key, "%x", buf->b_fnum);
     if (hash_add(&buf_hashtab, buf->b_key) == FAIL)
-	emsg(_("E931: Buffer cannot be registered"));
+	emsg(_(e_buffer_cannot_be_registered));
 }
 
     static void
@@ -461,8 +462,7 @@ can_unload_buffer(buf_T *buf)
 	    }
     }
     if (!can_unload)
-	semsg(_("E937: Attempt to delete a buffer that is in use: %s"),
-								 buf->b_fname);
+	semsg(_(e_attempt_to_delete_buffer_that_is_in_use_str), buf->b_fname);
     return can_unload;
 }
 
@@ -594,7 +594,7 @@ close_buffer(
 	{
 	    // Autocommands deleted the buffer.
 aucmd_abort:
-	    emsg(_(e_auabort));
+	    emsg(_(e_autocommands_caused_command_to_abort));
 	    return FALSE;
 	}
 	--buf->b_locked;
@@ -1610,7 +1610,7 @@ do_bufdel(
 	if (addr_count == 2)
 	{
 	    if (*arg)		// both range and argument is not allowed
-		return ex_errmsg(e_trailing_arg, arg);
+		return ex_errmsg(e_trailing_characters_str, arg);
 	    bnr = start_bnr;
 	}
 	else	// addr_count == 1
@@ -1660,11 +1660,11 @@ do_bufdel(
 	if (deleted == 0)
 	{
 	    if (command == DOBUF_UNLOAD)
-		STRCPY(IObuff, _("E515: No buffers were unloaded"));
+		STRCPY(IObuff, _(e_no_buffers_were_unloaded));
 	    else if (command == DOBUF_DEL)
-		STRCPY(IObuff, _("E516: No buffers were deleted"));
+		STRCPY(IObuff, _(e_no_buffers_were_deleted));
 	    else
-		STRCPY(IObuff, _("E517: No buffers were wiped out"));
+		STRCPY(IObuff, _(e_no_buffers_were_wiped_out));
 	    errormsg = (char *)IObuff;
 	}
 	else if (deleted >= p_report)
@@ -1823,7 +1823,7 @@ enter_buffer(buf_T *buf)
     if (curbuf->b_ml.ml_mfp == NULL)	// need to load the file
     {
 	// If there is no filetype, allow for detecting one.  Esp. useful for
-	// ":ball" used in a autocommand.  If there already is a filetype we
+	// ":ball" used in an autocommand.  If there already is a filetype we
 	// might prefer to keep it.
 	if (*curbuf->b_p_ft == NUL)
 	    did_filetype = FALSE;
@@ -1905,7 +1905,7 @@ no_write_message(void)
 {
 #ifdef FEAT_TERMINAL
     if (term_job_running(curbuf->b_term))
-	emsg(_("E948: Job still running (add ! to end the job)"));
+	emsg(_(e_job_still_running_add_bang_to_end_the_job));
     else
 #endif
 	emsg(_(e_no_write_since_last_change_add_bang_to_override));
@@ -1916,7 +1916,7 @@ no_write_message_nobang(buf_T *buf UNUSED)
 {
 #ifdef FEAT_TERMINAL
     if (term_job_running(buf->b_term))
-	emsg(_("E948: Job still running"));
+	emsg(_(e_job_still_running));
     else
 #endif
 	emsg(_(e_no_write_since_last_change));
@@ -2385,7 +2385,7 @@ buflist_getfile(
 	if ((options & GETF_ALT) && n == 0)
 	    emsg(_(e_no_alternate_file));
 	else
-	    semsg(_("E92: Buffer %d not found"), n);
+	    semsg(_(e_buffer_nr_not_found), n);
 	return FAIL;
     }
 
@@ -2669,9 +2669,9 @@ buflist_findpat(
     }
 
     if (match == -2)
-	semsg(_("E93: More than one match for %s"), pattern);
+	semsg(_(e_more_than_one_match_for_str), pattern);
     else if (match < 0)
-	semsg(_("E94: No matching buffer for %s"), pattern);
+	semsg(_(e_no_matching_buffer_for_str), pattern);
     return match;
 }
 
@@ -3373,7 +3373,7 @@ setfname(
 	    if (obuf->b_ml.ml_mfp != NULL || in_use)
 	    {
 		if (message)
-		    emsg(_("E95: Buffer with this name already exists"));
+		    emsg(_(e_buffer_with_this_name_already_exists));
 		vim_free(ffname);
 		return FAIL;
 	    }
@@ -5031,7 +5031,7 @@ build_stl_str_hl(
 	sp->userhl = 0;
     }
 
-    // When inside update_screen we do not want redrawing a stausline, ruler,
+    // When inside update_screen we do not want redrawing a statusline, ruler,
     // title, etc. to trigger another redraw, it may cause an endless loop.
     if (updating_screen)
     {
@@ -5611,6 +5611,7 @@ bt_prompt(buf_T *buf)
     return buf != NULL && buf->b_p_bt[0] == 'p' && buf->b_p_bt[1] == 'r';
 }
 
+#if defined(FEAT_PROP_POPUP) || defined(PROTO)
 /*
  * Return TRUE if "buf" is a buffer for a popup window.
  */
@@ -5620,6 +5621,7 @@ bt_popup(buf_T *buf)
     return buf != NULL && buf->b_p_bt != NULL
 	&& buf->b_p_bt[0] == 'p' && buf->b_p_bt[1] == 'o';
 }
+#endif
 
 /*
  * Return TRUE if "buf" is a "nofile", "acwrite", "terminal" or "prompt"
@@ -5634,6 +5636,7 @@ bt_nofilename(buf_T *buf)
 	    || buf->b_p_bt[0] == 'p');
 }
 
+#if defined(FEAT_QUICKFIX) || defined(PROTO)
 /*
  * Return TRUE if "buf" has 'buftype' set to "nofile".
  */
@@ -5642,6 +5645,7 @@ bt_nofile(buf_T *buf)
 {
     return buf != NULL && buf->b_p_bt[0] == 'n' && buf->b_p_bt[2] == 'f';
 }
+#endif
 
 /*
  * Return TRUE if "buf" is a "nowrite", "nofile", "terminal" or "prompt"
@@ -5661,7 +5665,7 @@ bt_dontwrite_msg(buf_T *buf)
 {
     if (bt_dontwrite(buf))
     {
-	emsg(_("E382: Cannot write, 'buftype' option is set"));
+	emsg(_(e_cannot_write_buftype_option_is_set));
 	return TRUE;
     }
     return FALSE;

src/bufwrite.c

@@ -667,7 +667,6 @@ buf_write(
     int		    prev_got_int = got_int;
     int		    checking_conversion;
     int		    file_readonly = FALSE;  // overwritten file is read-only
-    static char	    *err_readonly = "is read-only (cannot override: \"W\" in 'cpoptions')";
 #if defined(UNIX)			    // XXX fix me sometime?
     int		    made_writable = FALSE;  // 'w' bit has been set
 #endif
@@ -701,7 +700,7 @@ buf_write(
     {
 	// This can happen during startup when there is a stray "w" in the
 	// vimrc file.
-	emsg(_(e_emptybuf));
+	emsg(_(e_empty_buffer));
 	return FAIL;
     }
 
@@ -897,7 +896,7 @@ buf_write(
 	    --no_wait_return;
 	    msg_scroll = msg_save;
 	    if (nofile_err)
-		emsg(_("E676: No matching autocommands for acwrite buffer"));
+		emsg(_(e_no_matching_autocommands_for_acwrite_buffer));
 
 	    if (nofile_err
 #ifdef FEAT_EVAL
@@ -932,7 +931,7 @@ buf_write(
 #ifdef FEAT_EVAL
 	    if (!aborting())
 #endif
-		emsg(_("E203: Autocommands deleted or unloaded buffer to be written"));
+		emsg(_(e_autocommands_deleted_or_unloaded_buffer_to_be_written));
 	    return FAIL;
 	}
 
@@ -953,7 +952,7 @@ buf_write(
 		{
 		    --no_wait_return;
 		    msg_scroll = msg_save;
-		    emsg(_("E204: Autocommand changed number of lines in unexpected way"));
+		    emsg(_(e_autocommands_changed_number_of_lines_in_unexpected_way));
 		    return FAIL;
 		}
 	    }
@@ -995,7 +994,7 @@ buf_write(
 	    else
 	    {
 		errnum = (char_u *)"E656: ";
-		errmsg = (char_u *)_("NetBeans disallows writes of unmodified buffers");
+		errmsg = (char_u *)_(e_netbeans_disallows_writes_of_unmodified_buffers);
 		buffer = NULL;
 		goto fail;
 	    }
@@ -1003,7 +1002,7 @@ buf_write(
 	else
 	{
 	    errnum = (char_u *)"E657: ";
-	    errmsg = (char_u *)_("Partial writes disallowed for NetBeans buffers");
+	    errmsg = (char_u *)_(e_partial_writes_disallowed_for_netbeans_buffers);
 	    buffer = NULL;
 	    goto fail;
 	}
@@ -1050,13 +1049,13 @@ buf_write(
 	    if (S_ISDIR(st_old.st_mode))
 	    {
 		errnum = (char_u *)"E502: ";
-		errmsg = (char_u *)_("is a directory");
+		errmsg = (char_u *)_(e_is_a_directory);
 		goto fail;
 	    }
 	    if (mch_nodetype(fname) != NODE_WRITABLE)
 	    {
 		errnum = (char_u *)"E503: ";
-		errmsg = (char_u *)_("is not a file or writable device");
+		errmsg = (char_u *)_(e_is_not_file_or_writable_device);
 		goto fail;
 	    }
 	    // It's a device of some kind (or a fifo) which we can write to
@@ -1072,7 +1071,7 @@ buf_write(
     if (c == NODE_OTHER)
     {
 	errnum = (char_u *)"E503: ";
-	errmsg = (char_u *)_("is not a file or writable device");
+	errmsg = (char_u *)_(e_is_not_file_or_writable_device);
 	goto fail;
     }
     if (c == NODE_WRITABLE)
@@ -1083,7 +1082,7 @@ buf_write(
 	if (!p_odev)
 	{
 	    errnum = (char_u *)"E796: ";
-	    errmsg = (char_u *)_("writing to device disabled with 'opendevice' option");
+	    errmsg = (char_u *)_(e_writing_to_device_disabled_with_opendevice_option);
 	    goto fail;
 	}
 # endif
@@ -1099,7 +1098,7 @@ buf_write(
 	else if (mch_isdir(fname))
 	{
 	    errnum = (char_u *)"E502: ";
-	    errmsg = (char_u *)_("is a directory");
+	    errmsg = (char_u *)_(e_is_a_directory);
 	    goto fail;
 	}
 	if (overwriting)
@@ -1118,12 +1117,12 @@ buf_write(
 	    if (vim_strchr(p_cpo, CPO_FWRITE) != NULL)
 	    {
 		errnum = (char_u *)"E504: ";
-		errmsg = (char_u *)_(err_readonly);
+		errmsg = (char_u *)_(e_is_read_only_cannot_override_W_in_cpoptions);
 	    }
 	    else
 	    {
 		errnum = (char_u *)"E505: ";
-		errmsg = (char_u *)_("is read-only (add ! to override)");
+		errmsg = (char_u *)_(e_is_read_only_add_bang_to_override);
 	    }
 	    goto fail;
 	}
@@ -1477,21 +1476,21 @@ buf_write(
 			{
 			    if (buf_write_bytes(&write_info) == FAIL)
 			    {
-				errmsg = (char_u *)_("E506: Can't write to backup file (add ! to override)");
+				errmsg = (char_u *)_(e_canot_write_to_backup_file_add_bang_to_override);
 				break;
 			    }
 			    ui_breakcheck();
 			    if (got_int)
 			    {
-				errmsg = (char_u *)_(e_interr);
+				errmsg = (char_u *)_(e_interrupted);
 				break;
 			    }
 			}
 
 			if (close(bfd) < 0 && errmsg == NULL)
-			    errmsg = (char_u *)_("E507: Close error for backup file (add ! to override)");
+			    errmsg = (char_u *)_(e_close_error_for_backup_file_add_bang_to_write_anyway);
 			if (write_info.bw_len < 0)
-			    errmsg = (char_u *)_("E508: Can't read file for backup (add ! to override)");
+			    errmsg = (char_u *)_(e_cant_read_file_for_backup_add_bang_to_write_anyway);
 #ifdef UNIX
 			set_file_time(backup, st_old.st_atime, st_old.st_mtime);
 #endif
@@ -1513,7 +1512,7 @@ buf_write(
 	    vim_free(copybuf);
 
 	    if (backup == NULL && errmsg == NULL)
-		errmsg = (char_u *)_("E509: Cannot create backup file (add ! to override)");
+		errmsg = (char_u *)_(e_cannot_create_backup_file_add_bang_to_write_anyway);
 	    // ignore errors when forceit is TRUE
 	    if ((some_error || errmsg != NULL) && !forceit)
 	    {
@@ -1536,7 +1535,7 @@ buf_write(
 	    if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL)
 	    {
 		errnum = (char_u *)"E504: ";
-		errmsg = (char_u *)_(err_readonly);
+		errmsg = (char_u *)_(e_is_read_only_cannot_override_W_in_cpoptions);
 		goto fail;
 	    }
 
@@ -1608,7 +1607,7 @@ buf_write(
 	    }
 	    if (backup == NULL && !forceit)
 	    {
-		errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)");
+		errmsg = (char_u *)_(e_cant_make_backup_file_add_bang_to_write_anyway);
 		goto fail;
 	    }
 	}
@@ -1650,7 +1649,7 @@ buf_write(
 	ml_preserve(buf, FALSE);
 	if (got_int)
 	{
-	    errmsg = (char_u *)_(e_interr);
+	    errmsg = (char_u *)_(e_interrupted);
 	    goto restore_backup;
 	}
     }
@@ -1746,7 +1745,7 @@ buf_write(
 		wfname = vim_tempname('w', FALSE);
 		if (wfname == NULL)	// Can't write without a tempfile!
 		{
-		    errmsg = (char_u *)_("E214: Can't find temp file for writing");
+		    errmsg = (char_u *)_(e_cant_find_temp_file_for_writing);
 		    goto restore_backup;
 		}
 	    }
@@ -1764,7 +1763,7 @@ buf_write(
     {
 	if (!forceit)
 	{
-	    errmsg = (char_u *)_("E213: Cannot convert (add ! to write without conversion)");
+	    errmsg = (char_u *)_(e_cannot_convert_add_bang_to_write_without_conversion);
 	    goto restore_backup;
 	}
 	notconverted = TRUE;
@@ -1821,11 +1820,12 @@ buf_write(
 			    || (mch_lstat((char *)fname, &st) == 0
 				&& (st.st_dev != st_old.st_dev
 				    || st.st_ino != st_old.st_ino)))
-			errmsg = (char_u *)_("E166: Can't open linked file for writing");
+			errmsg =
+			      (char_u *)_(e_cant_open_linked_file_for_writing);
 		    else
 #endif
 		    {
-			errmsg = (char_u *)_("E212: Can't open file for writing");
+			errmsg = (char_u *)_(e_cant_open_file_for_writing);
 			if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL
 								  && perm >= 0)
 			{
@@ -1902,7 +1902,7 @@ restore_backup:
 			&& st.st_ino != st_old.st_ino)
 		{
 		    close(fd);
-		    errmsg = (char_u *)_("E949: File changed while writing");
+		    errmsg = (char_u *)_(e_file_changed_while_writing);
 		    goto fail;
 		}
 	    }
@@ -2178,7 +2178,7 @@ restore_backup:
 	// If the 'fsync' option is FALSE, don't fsync().  Useful for laptops.
 	if (p_fs && vim_fsync(fd) != 0 && !device)
 	{
-	    errmsg = (char_u *)_(e_fsync);
+	    errmsg = (char_u *)_(e_fsync_failed);
 	    end = 0;
 	}
 #endif
@@ -2228,7 +2228,7 @@ restore_backup:
 #endif
 	if (close(fd) != 0)
 	{
-	    errmsg = (char_u *)_("E512: Close failed");
+	    errmsg = (char_u *)_(e_close_failed);
 	    end = 0;
 	}
 
@@ -2285,19 +2285,19 @@ restore_backup:
 	    if (write_info.bw_conv_error)
 	    {
 		if (write_info.bw_conv_error_lnum == 0)
-		    errmsg = (char_u *)_("E513: write error, conversion failed (make 'fenc' empty to override)");
+		    errmsg = (char_u *)_(e_write_error_conversion_failed_make_fenc_empty_to_override);
 		else
 		{
 		    errmsg_allocated = TRUE;
 		    errmsg = alloc(300);
-		    vim_snprintf((char *)errmsg, 300, _("E513: write error, conversion failed in line %ld (make 'fenc' empty to override)"),
+		    vim_snprintf((char *)errmsg, 300, _(e_write_error_conversion_failed_in_line_nr_make_fenc_empty_to_override),
 					 (long)write_info.bw_conv_error_lnum);
 		}
 	    }
 	    else if (got_int)
-		errmsg = (char_u *)_(e_interr);
+		errmsg = (char_u *)_(e_interrupted);
 	    else
-		errmsg = (char_u *)_("E514: write error (file system full?)");
+		errmsg = (char_u *)_(e_write_error_file_system_full);
 	}
 
 	// If we have a backup file, try to put it in place of the new file,
@@ -2315,7 +2315,7 @@ restore_backup:
 		// know we got the message.
 		if (got_int)
 		{
-		    msg(_(e_interr));
+		    msg(_(e_interrupted));
 		    out_flush();
 		}
 		if ((fd = mch_open((char *)backup, O_RDONLY | O_EXTRA, 0)) >= 0)
@@ -2453,7 +2453,7 @@ restore_backup:
 	    // If the original file does not exist yet
 	    // the current backup file becomes the original file
 	    if (org == NULL)
-		emsg(_("E205: Patchmode: can't save original file"));
+		emsg(_(e_patchmode_cant_save_original_file));
 	    else if (mch_stat(org, &st) < 0)
 	    {
 		vim_rename(backup, (char_u *)org);
@@ -2473,7 +2473,7 @@ restore_backup:
 		    || (empty_fd = mch_open(org,
 				      O_CREAT | O_EXTRA | O_EXCL | O_NOFOLLOW,
 					perm < 0 ? 0666 : (perm & 0777))) < 0)
-	      emsg(_("E206: patchmode: can't touch empty original file"));
+	      emsg(_(e_patchmode_cant_touch_empty_original_file));
 	    else
 	      close(empty_fd);
 	}
@@ -2488,7 +2488,7 @@ restore_backup:
     // conversion error.
     if (!p_bk && backup != NULL && !write_info.bw_conv_error
 	    && mch_remove(backup) != 0)
-	emsg(_("E207: Can't delete backup file"));
+	emsg(_(e_cant_delete_backup_file));
 
     goto nofail;
 

src/change.c

@@ -1247,7 +1247,7 @@ del_bytes(
     // If "count" is negative the caller must be doing something wrong.
     if (count < 1)
     {
-	siemsg("E292: Invalid count for del_bytes(): %ld", count);
+	siemsg(e_invalid_count_for_del_bytes_nr, count);
 	return FAIL;
     }
 
@@ -1655,13 +1655,14 @@ open_line(
 	lead_len = get_leader_len(saved_line, &lead_flags,
 							dir == BACKWARD, TRUE);
 #ifdef FEAT_CINDENT
-	if (lead_len == 0 && do_cindent)
+	if (lead_len == 0 && do_cindent && dir == FORWARD)
 	{
+	    // Check for a line comment after code.
 	    comment_start = check_linecomment(saved_line);
 	    if (comment_start != MAXCOL)
 	    {
 		lead_len = get_leader_len(saved_line + comment_start,
-					   &lead_flags, dir == BACKWARD, TRUE);
+						     &lead_flags, FALSE, TRUE);
 		if (lead_len != 0)
 		{
 		    lead_len += comment_start;

src/channel.c

@@ -161,7 +161,7 @@ ch_logfile(char_u *fname, char_u *opt)
 	file = fopen((char *)fname, *opt == 'w' ? "w" : "a");
 	if (file == NULL)
 	{
-	    semsg(_(e_notopen), fname);
+	    semsg(_(e_cant_open_file_str), fname);
 	    return;
 	}
 	vim_free(log_name);
@@ -707,8 +707,6 @@ channel_gui_unregister(channel_T *channel)
 
 #endif  // FEAT_GUI
 
-static char *e_cannot_connect = N_("E902: Cannot connect to port");
-
 /*
  * For Unix we need to call connect() again after connect() failed.
  * On Win32 one time is sufficient.
@@ -737,7 +735,7 @@ channel_connect(
 	if (sd == -1)
 	{
 	    ch_error(channel, "in socket() in channel_connect().");
-	    PERROR(_("E898: socket() in channel_connect()"));
+	    PERROR(_(e_socket_in_channel_connect));
 	    return -1;
 	}
 
@@ -778,7 +776,7 @@ channel_connect(
 	{
 	    ch_error(channel,
 		      "channel_connect: Connect failed with errno %d", errno);
-	    PERROR(_(e_cannot_connect));
+	    PERROR(_(e_cannot_connect_to_port));
 	    sock_close(sd);
 	    return -1;
 	}
@@ -824,7 +822,7 @@ channel_connect(
 		SOCK_ERRNO;
 		ch_error(channel,
 		      "channel_connect: Connect failed with errno %d", errno);
-		PERROR(_(e_cannot_connect));
+		PERROR(_(e_cannot_connect_to_port));
 		sock_close(sd);
 		return -1;
 	    }
@@ -863,7 +861,7 @@ channel_connect(
 		    ch_error(channel,
 			    "channel_connect: Connect failed with errno %d",
 			    so_error);
-		    PERROR(_(e_cannot_connect));
+		    PERROR(_(e_cannot_connect_to_port));
 		    sock_close(sd);
 		    return -1;
 		}
@@ -982,8 +980,7 @@ channel_open(
     if ((err = getaddrinfo(hostname, NULL, &hints, &res)) != 0)
     {
 	ch_error(channel, "in getaddrinfo() in channel_open()");
-	semsg(_("E901: getaddrinfo() in channel_open(): %s"),
-							   gai_strerror(err));
+	semsg(_(e_getaddrinfo_in_channel_open_str), gai_strerror(err));
 	channel_free(channel);
 	return NULL;
     }
@@ -1047,7 +1044,7 @@ channel_open(
     if ((host = gethostbyname(hostname)) == NULL)
     {
 	ch_error(channel, "in gethostbyname() in channel_open()");
-	PERROR(_("E901: gethostbyname() in channel_open()"));
+	PERROR(_(e_gethostbyname_in_channel_open));
 	channel_free(channel);
 	return NULL;
     }
@@ -1318,7 +1315,7 @@ channel_open_func(typval_T *argvars)
     if (argvars[1].v_type != VAR_UNKNOWN
 	 && (argvars[1].v_type != VAR_DICT || argvars[1].vval.v_dict == NULL))
     {
-	emsg(_(e_invarg));
+	emsg(_(e_invalid_argument));
 	return NULL;
     }
 
@@ -1330,7 +1327,7 @@ channel_open_func(typval_T *argvars)
 	p = vim_strchr(address + 1, ']');
 	if (p == NULL || *++p != ':')
 	{
-	    semsg(_(e_invarg2), address);
+	    semsg(_(e_invalid_argument_str), address);
 	    return NULL;
 	}
     }
@@ -1339,14 +1336,14 @@ channel_open_func(typval_T *argvars)
 	p = vim_strchr(address, ':');
 	if (p == NULL)
 	{
-	    semsg(_(e_invarg2), address);
+	    semsg(_(e_invalid_argument_str), address);
 	    return NULL;
 	}
     }
     port = strtol((char *)(p + 1), &rest, 10);
     if (*address == NUL || port <= 0 || port >= 65536 || *rest != NUL)
     {
-	semsg(_(e_invarg2), address);
+	semsg(_(e_invalid_argument_str), address);
 	return NULL;
     }
     if (is_ipv6)
@@ -1367,7 +1364,7 @@ channel_open_func(typval_T *argvars)
 	goto theend;
     if (opt.jo_timeout < 0)
     {
-	emsg(_(e_invarg));
+	emsg(_(e_invalid_argument));
 	goto theend;
     }
 
@@ -2480,7 +2477,7 @@ channel_exe_cmd(channel_T *channel, ch_part_T part, typval_T *argv)
     {
 	ch_error(channel, "received command with non-string argument");
 	if (p_verbose > 2)
-	    emsg(_("E903: received command with non-string argument"));
+	    emsg(_(e_received_command_with_non_string_argument));
 	return;
     }
     arg = argv[1].vval.v_string;
@@ -2537,13 +2534,13 @@ channel_exe_cmd(channel_T *channel, ch_part_T part, typval_T *argv)
 	{
 	    ch_error(channel, "last argument for expr/call must be a number");
 	    if (p_verbose > 2)
-		emsg(_("E904: last argument for expr/call must be a number"));
+		emsg(_(e_last_argument_for_expr_call_must_be_number));
 	}
 	else if (is_call && argv[2].v_type != VAR_LIST)
 	{
 	    ch_error(channel, "third argument for call must be a list");
 	    if (p_verbose > 2)
-		emsg(_("E904: third argument for call must be a list"));
+		emsg(_(e_third_argument_for_call_must_be_list));
 	}
 	else
 	{
@@ -2600,7 +2597,7 @@ channel_exe_cmd(channel_T *channel, ch_part_T part, typval_T *argv)
     else if (p_verbose > 2)
     {
 	ch_error(channel, "Received unknown command: %s", (char *)cmd);
-	semsg(_("E905: received unknown command: %s"), cmd);
+	semsg(_(e_received_unknown_command_str), cmd);
     }
 }
 
@@ -3833,7 +3830,7 @@ get_channel_arg(typval_T *tv, int check_open, int reading, ch_part_T part)
     }
     else
     {
-	semsg(_(e_invarg2), tv_get_string(tv));
+	semsg(_(e_invalid_argument_str), tv_get_string(tv));
 	return NULL;
     }
     if (channel != NULL && reading)
@@ -3843,7 +3840,7 @@ get_channel_arg(typval_T *tv, int check_open, int reading, ch_part_T part)
     if (check_open && (channel == NULL || (!channel_is_open(channel)
 					     && !(reading && has_readahead))))
     {
-	emsg(_("E906: not an open channel"));
+	emsg(_(e_not_an_open_channel));
 	return NULL;
     }
     return channel;
@@ -4051,7 +4048,7 @@ channel_send(
 	if (!channel->ch_error && fun != NULL)
 	{
 	    ch_error(channel, "%s(): write while not connected", fun);
-	    semsg(_("E630: %s(): write while not connected"), fun);
+	    semsg(_(e_str_write_while_not_connected), fun);
 	}
 	channel->ch_error = TRUE;
 	return FAIL;
@@ -4197,7 +4194,7 @@ channel_send(
 	    if (!channel->ch_error && fun != NULL)
 	    {
 		ch_error(channel, "%s(): write failed", fun);
-		semsg(_("E631: %s(): write failed"), fun);
+		semsg(_(e_str_write_failed), fun);
 	    }
 	    channel->ch_error = TRUE;
 	    return FAIL;
@@ -4245,7 +4242,7 @@ send_common(
     {
 	if (eval)
 	{
-	    semsg(_("E917: Cannot use a callback with %s()"), fun);
+	    semsg(_(e_cannot_use_callback_with_str), fun);
 	    return NULL;
 	}
 	channel_set_req_callback(channel, *part_read, &opt->jo_callback, id);
@@ -4290,7 +4287,7 @@ ch_expr_common(typval_T *argvars, typval_T *rettv, int eval)
     ch_mode = channel_get_mode(channel, part_send);
     if (ch_mode == MODE_RAW || ch_mode == MODE_NL)
     {
-	emsg(_("E912: cannot use ch_evalexpr()/ch_sendexpr() with a raw or nl channel"));
+	emsg(_(e_cannot_use_evalexpr_sendexpr_with_raw_or_nl_channel));
 	return;
     }
 

src/charset.c

@@ -1240,10 +1240,15 @@ getvcol(
 	posptr = NULL;  // continue until the NUL
     else
     {
-	// Special check for an empty line, which can happen on exit, when
-	// ml_get_buf() always returns an empty string.
-	if (*ptr == NUL)
-	    pos->col = 0;
+	colnr_T i;
+
+	// In a few cases the position can be beyond the end of the line.
+	for (i = 0; i < pos->col; ++i)
+	    if (ptr[i] == NUL)
+	    {
+		pos->col = i;
+		break;
+	    }
 	posptr = ptr + pos->col;
 	if (has_mbyte)
 	    // always start on the first byte
@@ -1459,18 +1464,33 @@ getvcols(
 }
 
 /*
- * skipwhite: skip over ' ' and '\t'.
+ * Skip over ' ' and '\t'.
  */
     char_u *
 skipwhite(char_u *q)
 {
     char_u	*p = q;
 
-    while (VIM_ISWHITE(*p)) // skip to next non-white
+    while (VIM_ISWHITE(*p))
 	++p;
     return p;
 }
 
+#if defined(FEAT_EVAL) || defined(PROTO)
+/*
+ * skip over ' ', '\t' and '\n'.
+ */
+    char_u *
+skipwhite_and_nl(char_u *q)
+{
+    char_u	*p = q;
+
+    while (VIM_ISWHITE(*p) || *p == NL)
+	++p;
+    return p;
+}
+#endif
+
 /*
  * getwhitecols: return the number of whitespace
  * columns (bytes) at the start of a given line

src/cindent.c

@@ -66,8 +66,6 @@ cin_is_cinword(char_u *line)
 }
 #endif
 
-#if defined(FEAT_CINDENT) || defined(FEAT_SYN_HL)
-
 /*
  * Skip to the end of a "string" and a 'c' character.
  * If there is no string or character, return argument unmodified.
@@ -137,6 +135,21 @@ skip_string(char_u *p)
     return p;
 }
 
+/*
+ * Return TRUE if "line[col]" is inside a C string.
+ */
+    int
+is_pos_in_string(char_u *line, colnr_T col)
+{
+    char_u *p;
+
+    for (p = line; *p && (colnr_T)(p - line) < col; ++p)
+	p = skip_string(p);
+    return !((colnr_T)(p - line) <= col);
+}
+
+#if defined(FEAT_CINDENT) || defined(FEAT_SYN_HL)
+
 /*
  * Find the start of a comment, not knowing if we are in a comment right now.
  * Search starts at w_cursor.lnum and goes backwards.
@@ -152,8 +165,6 @@ ind_find_start_comment(void)	    // XXX
 find_start_comment(int ind_maxcomment)	// XXX
 {
     pos_T	*pos;
-    char_u	*line;
-    char_u	*p;
     int		cur_maxcomment = ind_maxcomment;
 
     for (;;)
@@ -164,10 +175,7 @@ find_start_comment(int ind_maxcomment)	// XXX
 
 	// Check if the comment start we found is inside a string.
 	// If it is then restrict the search to below this line and try again.
-	line = ml_get(pos->lnum);
-	for (p = line; *p && (colnr_T)(p - line) < pos->col; ++p)
-	    p = skip_string(p);
-	if ((colnr_T)(p - line) <= pos->col)
+	if (!is_pos_in_string(ml_get(pos->lnum), pos->col))
 	    break;
 	cur_maxcomment = curwin->w_cursor.lnum - pos->lnum - 1;
 	if (cur_maxcomment <= 0)
@@ -188,8 +196,6 @@ find_start_comment(int ind_maxcomment)	// XXX
 find_start_rawstring(int ind_maxcomment)	// XXX
 {
     pos_T	*pos;
-    char_u	*line;
-    char_u	*p;
     int		cur_maxcomment = ind_maxcomment;
 
     for (;;)
@@ -200,10 +206,7 @@ find_start_rawstring(int ind_maxcomment)	// XXX
 
 	// Check if the raw string start we found is inside a string.
 	// If it is then restrict the search to below this line and try again.
-	line = ml_get(pos->lnum);
-	for (p = line; *p && (colnr_T)(p - line) < pos->col; ++p)
-	    p = skip_string(p);
-	if ((colnr_T)(p - line) <= pos->col)
+	if (!is_pos_in_string(ml_get(pos->lnum), pos->col))
 	    break;
 	cur_maxcomment = curwin->w_cursor.lnum - pos->lnum - 1;
 	if (cur_maxcomment <= 0)
@@ -755,6 +758,10 @@ cin_is_cpp_namespace(char_u *s)
     int		has_name_start = FALSE;
 
     s = cin_skipcomment(s);
+
+    if (STRNCMP(s, "inline", 6) == 0 && (s[6] == NUL || !vim_iswordc(s[6])))
+	s = cin_skipcomment(skipwhite(s + 6));
+
     if (STRNCMP(s, "namespace", 9) == 0 && (s[9] == NUL || !vim_iswordc(s[9])))
     {
 	p = cin_skipcomment(skipwhite(s + 9));
@@ -1219,7 +1226,7 @@ cin_isfuncdecl(
 	if (*s == ')' && cin_nocode(s + 1))
 	{
 	    // ')' at the end: may have found a match
-	    // Check for he previous line not to end in a backslash:
+	    // Check for the previous line not to end in a backslash:
 	    //       #if defined(x) && {backslash}
 	    //		 defined(y)
 	    lnum = first_lnum - 1;
@@ -1788,7 +1795,7 @@ parse_cino(buf_T *buf)
     buf->b_ind_unclosed2 = sw;
 
     // Suppress ignoring spaces from the indent of a line starting with an
-    // unclosed parentheses.
+    // unclosed parenthesis.
     buf->b_ind_unclosed_noignore = 0;
 
     // If the opening paren is the last nonwhite character on the line, and
@@ -1800,11 +1807,11 @@ parse_cino(buf_T *buf)
     // an unclosed parenthesis.
     buf->b_ind_unclosed_whiteok = 0;
 
-    // Indent a closing parentheses under the line start of the matching
-    // opening parentheses.
+    // Indent a closing parenthesis under the line start of the matching
+    // opening parenthesis.
     buf->b_ind_matching_paren = 0;
 
-    // Indent a closing parentheses under the previous line.
+    // Indent a closing parenthesis under the previous line.
     buf->b_ind_paren_prev = 0;
 
     // Extra indent for comments.

src/clientserver.c

@@ -119,7 +119,7 @@ sendToLocalVim(char_u *cmd, int asExpr, char_u **result)
 	{
 	    if (ret == NULL)
 	    {
-		char	*err = _(e_invexprmsg);
+		char	*err = _(e_invalid_expression_received);
 		size_t	len = STRLEN(cmd) + STRLEN(err) + 5;
 		char_u	*msg;
 
@@ -709,7 +709,7 @@ check_connection(void)
     make_connection();
     if (X_DISPLAY == NULL)
     {
-	emsg(_("E240: No connection to the X server"));
+	emsg(_(e_no_connection_to_x_server));
 	return FAIL;
     }
     return OK;
@@ -759,7 +759,7 @@ remote_common(typval_T *argvars, typval_T *rettv, int expr)
 	    vim_free(r);
 	}
 	else
-	    semsg(_("E241: Unable to send to %s"), server_name);
+	    semsg(_(e_unable_to_send_to_str), server_name);
 	return;
     }
 
@@ -929,7 +929,7 @@ f_remote_read(typval_T *argvars UNUSED, typval_T *rettv)
 		|| serverReadReply(X_DISPLAY, serverStrToWin(serverid),
 						       &r, FALSE, timeout) < 0)
 # endif
-	    emsg(_("E277: Unable to read a server reply"));
+	    emsg(_(e_unable_to_read_server_reply));
     }
 #endif
     rettv->v_type = VAR_STRING;
@@ -972,7 +972,7 @@ f_remote_startserver(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
     if (server == NULL)
 	return;		// type error; errmsg already given
     if (serverName != NULL)
-	emsg(_("E941: already started a server"));
+	emsg(_(e_already_started_server));
     else
     {
 # ifdef FEAT_X11
@@ -983,7 +983,7 @@ f_remote_startserver(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
 # endif
     }
 #else
-    emsg(_("E942: +clientserver feature not available"));
+    emsg(_(e_clientserver_feature_not_available));
 #endif
 }
 
@@ -1016,7 +1016,7 @@ f_server2client(typval_T *argvars UNUSED, typval_T *rettv)
 
     if (serverSendReply(server, reply) < 0)
     {
-	emsg(_("E258: Unable to send to client"));
+	emsg(_(e_unable_to_send_to_client));
 	return;
     }
     rettv->vval.v_number = 0;

src/clipboard.c

@@ -567,7 +567,7 @@ clip_get_word_boundaries(Clipboard_T *cb, int row, int col)
 	return;
 
     p = ScreenLines + LineOffset[row];
-    // Correct for starting in the right halve of a double-wide char
+    // Correct for starting in the right half of a double-wide char
     if (enc_dbcs != 0)
 	col -= dbcs_screen_head_off(p, p + col);
     else if (enc_utf8 && p[col] == 0)
@@ -1030,7 +1030,7 @@ clip_copy_modeless_selection(int both UNUSED)
     if (row2 > clip_star.max_row)
 	row2 = clip_star.max_row;
 #endif
-    // correct starting point for being on right halve of double-wide char
+    // correct starting point for being on right half of double-wide char
     p = ScreenLines + LineOffset[row1];
     if (enc_dbcs != 0)
 	col1 -= (*mb_head_off)(p, p + col1);
@@ -1140,7 +1140,7 @@ clip_copy_modeless_selection(int both UNUSED)
 									bufp);
 			}
 		    }
-		    // Skip right halve of double-wide character.
+		    // Skip right half of double-wide character.
 		    if (ScreenLines[off + i + 1] == 0)
 			++i;
 		}
@@ -1305,12 +1305,12 @@ check_clipboard_option(void)
 	    p += 8;
 	    new_exclude_prog = vim_regcomp(p, RE_MAGIC);
 	    if (new_exclude_prog == NULL)
-		errmsg = e_invarg;
+		errmsg = e_invalid_argument;
 	    break;
 	}
 	else
 	{
-	    errmsg = e_invarg;
+	    errmsg = e_invalid_argument;
 	    break;
 	}
 	if (*p == ',')
@@ -1540,6 +1540,7 @@ clip_x11_notify_cb(Widget w UNUSED, Atom *sel_atom UNUSED, Atom *target UNUSED)
 /*
  * Property callback to get a timestamp for XtOwnSelection.
  */
+# if (defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)) || defined(PROTO)
     static void
 clip_x11_timestamp_cb(
     Widget	w,
@@ -1592,6 +1593,7 @@ x11_setup_selection(Widget w)
     XtAddEventHandler(w, PropertyChangeMask, False,
 	    /*(XtEventHandler)*/clip_x11_timestamp_cb, (XtPointer)NULL);
 }
+# endif
 
     static void
 clip_x11_request_selection_cb(

src/cmdexpand.c

@@ -366,13 +366,13 @@ ExpandOne(
 	    // are wildcards, the real problem is that there was no match,
 	    // causing the pattern to be added, which has illegal characters.
 	    if (!(options & WILD_SILENT) && (options & WILD_LIST_NOTFOUND))
-		semsg(_(e_nomatch2), str);
+		semsg(_(e_no_match_str_2), str);
 #endif
 	}
 	else if (xp->xp_numfiles == 0)
 	{
 	    if (!(options & WILD_SILENT))
-		semsg(_(e_nomatch2), str);
+		semsg(_(e_no_match_str_2), str);
 	}
 	else
 	{
@@ -2903,7 +2903,7 @@ f_getcompletion(typval_T *argvars, typval_T *rettv)
     pat = tv_get_string(&argvars[0]);
     if (argvars[1].v_type != VAR_STRING)
     {
-	semsg(_(e_invarg2), "type must be a string");
+	semsg(_(e_invalid_argument_str), "type must be a string");
 	return;
     }
     type = tv_get_string(&argvars[1]);
@@ -2933,7 +2933,7 @@ f_getcompletion(typval_T *argvars, typval_T *rettv)
 	xpc.xp_context = cmdcomplete_str_to_type(type);
 	if (xpc.xp_context == EXPAND_NOTHING)
 	{
-	    semsg(_(e_invarg2), type);
+	    semsg(_(e_invalid_argument_str), type);
 	    return;
 	}
 

src/cmdhist.c

@@ -37,11 +37,13 @@ get_histentry(int hist_type)
     return history[hist_type];
 }
 
+#if defined(FEAT_VIMINFO) || defined(PROTO)
     void
 set_histentry(int hist_type, histentry_T *entry)
 {
     history[hist_type] = entry;
 }
+#endif
 
     int *
 get_hisidx(int hist_type)
@@ -49,11 +51,13 @@ get_hisidx(int hist_type)
     return &hisidx[hist_type];
 }
 
+#if defined(FEAT_VIMINFO) || defined(PROTO)
     int *
 get_hisnum(int hist_type)
 {
     return &hisnum[hist_type];
 }
+#endif
 
 /*
  * Translate a history character to the associated type number.
@@ -724,7 +728,7 @@ ex_history(exarg_T *eap)
 	    else
 	    {
 		*end = i;
-		semsg(_(e_trailing_arg), arg);
+		semsg(_(e_trailing_characters_str), arg);
 		return;
 	    }
 	}
@@ -736,7 +740,7 @@ ex_history(exarg_T *eap)
 	end = arg;
     if (!get_list_range(&end, &hisidx1, &hisidx2) || *end != NUL)
     {
-	semsg(_(e_trailing_arg), end);
+	semsg(_(e_trailing_characters_str), end);
 	return;
     }
 

src/config.mk.in

@@ -37,10 +37,13 @@ X_PRE_LIBS	= @X_PRE_LIBS@
 X_EXTRA_LIBS	= @X_EXTRA_LIBS@
 X_LIBS		= @X_LIB@
 
+XDIFF_OBJS_USED	= @XDIFF_OBJS_USED@
+
 LUA_LIBS	= @LUA_LIBS@
 LUA_SRC		= @LUA_SRC@
 LUA_OBJ		= @LUA_OBJ@
 LUA_CFLAGS	= @LUA_CFLAGS@
+LUA_CFLAGS_EXTRA	= @LUA_CFLAGS_EXTRA@
 LUA_PRO		= @LUA_PRO@
 
 MZSCHEME_LIBS	= @MZSCHEME_LIBS@
@@ -60,15 +63,18 @@ PERL_SRC	= @PERL_SRC@
 PERL_OBJ	= @PERL_OBJ@
 PERL_PRO	= @PERL_PRO@
 PERL_CFLAGS	= @PERL_CFLAGS@
+PERL_CFLAGS_EXTRA	= @PERL_CFLAGS_EXTRA@
 
 PYTHON_SRC	= @PYTHON_SRC@
 PYTHON_OBJ	= @PYTHON_OBJ@
 PYTHON_CFLAGS	= @PYTHON_CFLAGS@
+PYTHON_CFLAGS_EXTRA	= @PYTHON_CFLAGS_EXTRA@
 PYTHON_LIBS	= @PYTHON_LIBS@
 
 PYTHON3_SRC	= @PYTHON3_SRC@
 PYTHON3_OBJ	= @PYTHON3_OBJ@
 PYTHON3_CFLAGS	= @PYTHON3_CFLAGS@
+PYTHON3_CFLAGS_EXTRA	= @PYTHON3_CFLAGS_EXTRA@
 PYTHON3_LIBS	= @PYTHON3_LIBS@
 
 TCL		= @vi_cv_path_tcl@
@@ -76,6 +82,7 @@ TCL_SRC		= @TCL_SRC@
 TCL_OBJ		= @TCL_OBJ@
 TCL_PRO		= @TCL_PRO@
 TCL_CFLAGS	= @TCL_CFLAGS@
+TCL_CFLAGS_EXTRA	= @TCL_CFLAGS_EXTRA@
 TCL_LIBS	= @TCL_LIBS@
 
 NETBEANS_SRC	= @NETBEANS_SRC@
@@ -91,6 +98,7 @@ RUBY_SRC	= @RUBY_SRC@
 RUBY_OBJ	= @RUBY_OBJ@
 RUBY_PRO	= @RUBY_PRO@
 RUBY_CFLAGS	= @RUBY_CFLAGS@
+RUBY_CFLAGS_EXTRA	= @RUBY_CFLAGS_EXTRA@
 RUBY_LIBS	= @RUBY_LIBS@
 
 AWK		= @AWK@

src/configure.ac

@@ -159,8 +159,34 @@ fi
 
 OS_EXTRA_SRC=""; OS_EXTRA_OBJ=""
 
+dnl When cross-compiling set $vim_cv_uname_output, $vim_cv_uname_r_output and
+dnl $vim_cv_uname_m_output to the desired value for the target system
+AC_MSG_CHECKING(uname)
+if test "x$vim_cv_uname_output" = "x" ; then
+  vim_cv_uname_output=`(uname) 2>/dev/null`
+  AC_MSG_RESULT($vim_cv_uname_output)
+else
+  AC_MSG_RESULT([$vim_cv_uname_output (cached)])
+fi
+
+AC_MSG_CHECKING(uname -r)
+if test "x$vim_cv_uname_r_output" = "x" ; then
+  vim_cv_uname_r_output=`(uname -r) 2>/dev/null`
+  AC_MSG_RESULT($vim_cv_uname_r_output)
+else
+  AC_MSG_RESULT([$vim_cv_uname_r_output (cached)])
+fi
+
+AC_MSG_CHECKING(uname -m)
+if test "x$vim_cv_uname_m_output" = "x" ; then
+  vim_cv_uname_m_output=`(uname -m) 2>/dev/null`
+  AC_MSG_RESULT($vim_cv_uname_m_output)
+else
+  AC_MSG_RESULT([$vim_cv_uname_m_output (cached)])
+fi
+
 AC_MSG_CHECKING(for Haiku)
-case `uname` in
+case $vim_cv_uname_output in
     Haiku) HAIKU=yes; AC_MSG_RESULT(yes);;
     *)     HAIKU=no; AC_MSG_RESULT(no);;
 esac
@@ -168,7 +194,7 @@ esac
 dnl If QNX is found, assume we don't want to use Xphoton
 dnl unless it was specifically asked for (--with-x)
 AC_MSG_CHECKING(for QNX)
-case `uname` in
+case $vim_cv_uname_output in
     QNX)	OS_EXTRA_SRC=os_qnx.c; OS_EXTRA_OBJ=objects/os_qnx.o
 		test -z "$with_x" && with_x=no
 		QNX=yes; AC_MSG_RESULT(yes);;
@@ -179,7 +205,7 @@ dnl Check for Darwin and MacOS X
 dnl We do a check for MacOS X in the very beginning because there
 dnl are a lot of other things we need to change besides GUI stuff
 AC_MSG_CHECKING([for Darwin (Mac OS X)])
-if test "`(uname) 2>/dev/null`" = Darwin; then
+if test "$vim_cv_uname_output" = Darwin; then
   AC_MSG_RESULT(yes)
   MACOS_X=yes
   CPPFLAGS="$CPPFLAGS -DMACOS_X"
@@ -395,7 +421,7 @@ AC_SUBST(line_break)
 if test "$cf_cv_ebcdic" = "yes"; then
 dnl If we have EBCDIC we most likely have z/OS Unix, let's test it!
 AC_MSG_CHECKING(for z/OS Unix)
-case `uname` in
+case $vim_cv_uname_output in
     OS/390)	zOSUnix="yes";
 		dnl If using cc the environment variable _CC_CCMODE must be
 		dnl set to "1", so that some compiler extensions are enabled.
@@ -541,6 +567,16 @@ else
   AC_MSG_RESULT(yes)
 fi
 
+AC_MSG_CHECKING([diff feature])
+if test "x$features" = "xtiny" -o "x$features" = "xsmall"; then
+  AC_MSG_RESULT([disabled in $features version])
+else
+  AC_MSG_RESULT(enabled)
+  AC_DEFINE(FEAT_DIFF)
+  XDIFF_OBJS_USED="\$(XDIFF_OBJS)"
+  AC_SUBST(XDIFF_OBJS_USED)
+fi
+
 dnl Check for Lua feature.
 AC_MSG_CHECKING(--enable-luainterp argument)
 AC_ARG_ENABLE(luainterp,
@@ -742,7 +778,7 @@ if test "$enable_luainterp" = "yes" -o "$enable_luainterp" = "dynamic"; then
     fi
     if test "X$LUA_CFLAGS$LUA_LIBS" != "X" && \
        test "x$MACOS_X" = "xyes" && test "x$vi_cv_with_luajit" != "xno" && \
-       test "`(uname -m) 2>/dev/null`" = "x86_64"; then
+       test "$vim_cv_uname_m_output" = "x86_64"; then
       dnl OSX/x64 requires these flags. See http://luajit.org/install.html
       LUA_LIBS="-pagezero_size 10000 -image_base 100000000 $LUA_LIBS"
     fi
@@ -755,6 +791,7 @@ if test "$enable_luainterp" = "yes" -o "$enable_luainterp" = "dynamic"; then
   AC_SUBST(LUA_PRO)
   AC_SUBST(LUA_LIBS)
   AC_SUBST(LUA_CFLAGS)
+  AC_SUBST(LUA_CFLAGS_EXTRA)
 fi
 
 
@@ -910,8 +947,8 @@ if test "$enable_mzschemeinterp" = "yes"; then
 	    dnl Make Vim remember the path to the library.  For when it's not in
 	    dnl $LD_LIBRARY_PATH.
 	    MZSCHEME_LIBS="${MZSCHEME_LIBS} -Wl,-rpath -Wl,${path}"
-	  elif test "`(uname) 2>/dev/null`" = SunOS &&
-				   uname -r | grep '^5' >/dev/null; then
+	  elif test "$vim_cv_uname_output" = SunOS &&
+			   echo $vim_cv_uname_r_output | grep '^5' >/dev/null; then
 	    MZSCHEME_LIBS="${MZSCHEME_LIBS} -R ${path}"
 	  fi
 	fi
@@ -1175,6 +1212,7 @@ AC_SUBST(PERL_SRC)
 AC_SUBST(PERL_OBJ)
 AC_SUBST(PERL_PRO)
 AC_SUBST(PERL_CFLAGS)
+AC_SUBST(PERL_CFLAGS_EXTRA)
 AC_SUBST(PERL_LIBS)
 
 AC_MSG_CHECKING(--enable-pythoninterp argument)
@@ -1349,13 +1387,13 @@ eof
 	threadsafe_flag=
 	thread_lib=
 	dnl if test "x$MACOS_X" != "xyes"; then
-        if test "`(uname) 2>/dev/null`" != Darwin; then
+        if test "$vim_cv_uname_output" != Darwin; then
 	  test "$GCC" = yes && threadsafe_flag="-pthread"
-	  if test "`(uname) 2>/dev/null`" = FreeBSD; then
+	  if test "$vim_cv_uname_output" = FreeBSD; then
 	    threadsafe_flag="-D_THREAD_SAFE"
 	    thread_lib="-pthread"
 	  fi
-	  if test "`(uname) 2>/dev/null`" = SunOS; then
+	  if test "$vim_cv_uname_output" = SunOS; then
 	    threadsafe_flag="-pthreads"
 	  fi
 	fi
@@ -1407,6 +1445,7 @@ fi
 
 AC_SUBST(PYTHON_LIBS)
 AC_SUBST(PYTHON_CFLAGS)
+AC_SUBST(PYTHON_CFLAGS_EXTRA)
 AC_SUBST(PYTHON_SRC)
 AC_SUBST(PYTHON_OBJ)
 
@@ -1567,13 +1606,13 @@ eof
         threadsafe_flag=
         thread_lib=
         dnl if test "x$MACOS_X" != "xyes"; then
-        if test "`(uname) 2>/dev/null`" != Darwin; then
+        if test "$vim_cv_uname_output" != Darwin; then
           test "$GCC" = yes && threadsafe_flag="-pthread"
-          if test "`(uname) 2>/dev/null`" = FreeBSD; then
+          if test "$vim_cv_uname_output" = FreeBSD; then
             threadsafe_flag="-D_THREAD_SAFE"
             thread_lib="-pthread"
           fi
-          if test "`(uname) 2>/dev/null`" = SunOS; then
+          if test "$vim_cv_uname_output" = SunOS; then
             threadsafe_flag="-pthreads"
           fi
         fi
@@ -1624,6 +1663,7 @@ fi
 
 AC_SUBST(PYTHON3_LIBS)
 AC_SUBST(PYTHON3_CFLAGS)
+AC_SUBST(PYTHON3_CFLAGS_EXTRA)
 AC_SUBST(PYTHON3_SRC)
 AC_SUBST(PYTHON3_OBJ)
 
@@ -1880,8 +1920,8 @@ if test "$enable_tclinterp" = "yes" -o "$enable_tclinterp" = "dynamic"; then
 		if test -f "$try/lib$trylib" ; then
 		  AC_MSG_RESULT($try/lib$trylib)
 		  TCL_LIBS="-L\"$try\" -ltcl$ver -ldl -lm"
-		  if test "`(uname) 2>/dev/null`" = SunOS &&
-					 uname -r | grep '^5' >/dev/null; then
+		  if test "$vim_cv_uname_output" = SunOS &&
+					 echo $vim_cv_uname_r_output | grep '^5' >/dev/null; then
 		    TCL_LIBS="$TCL_LIBS -R $try"
 		  fi
 		  break 3
@@ -1920,6 +1960,7 @@ AC_SUBST(TCL_SRC)
 AC_SUBST(TCL_OBJ)
 AC_SUBST(TCL_PRO)
 AC_SUBST(TCL_CFLAGS)
+AC_SUBST(TCL_CFLAGS_EXTRA)
 AC_SUBST(TCL_LIBS)
 
 AC_MSG_CHECKING(--enable-rubyinterp argument)
@@ -2024,6 +2065,7 @@ AC_SUBST(RUBY_SRC)
 AC_SUBST(RUBY_OBJ)
 AC_SUBST(RUBY_PRO)
 AC_SUBST(RUBY_CFLAGS)
+AC_SUBST(RUBY_CFLAGS_EXTRA)
 AC_SUBST(RUBY_LIBS)
 
 AC_MSG_CHECKING(--enable-cscope argument)
@@ -2281,8 +2323,8 @@ else
     x_libraries=`echo "$x_includes" | sed s/include/lib/`
     AC_MSG_RESULT(Corrected X libraries to $x_libraries)
     X_LIBS="$X_LIBS -L$x_libraries"
-    if test "`(uname) 2>/dev/null`" = SunOS &&
-					 uname -r | grep '^5' >/dev/null; then
+    if test "$vim_cv_uname_output" = SunOS &&
+					 echo $vim_cv_uname_r_output | grep '^5' >/dev/null; then
       X_LIBS="$X_LIBS -R $x_libraries"
     fi
   fi
@@ -2719,7 +2761,7 @@ AC_DEFUN([GNOME_INIT_HOOK],
       dnl On FreeBSD we need -pthread but pkg-config doesn't include it.
       dnl This might not be the right way but it works for me...
       AC_MSG_CHECKING(for FreeBSD)
-      if test "`(uname) 2>/dev/null`" = FreeBSD; then
+      if test "$vim_cv_uname_output" = FreeBSD; then
 	AC_MSG_RESULT(yes, adding -pthread)
 	GNOME_INCLUDEDIR="$GNOME_INCLUDEDIR -D_THREAD_SAFE"
 	GNOME_LIBS="$GNOME_LIBS -pthread"
@@ -2971,8 +3013,8 @@ if test -z "$SKIP_MOTIF"; then
       else
 	if test -n "$GUI_LIB_LOC"; then
 	  AC_MSG_RESULT($GUI_LIB_LOC)
-	  if test "`(uname) 2>/dev/null`" = SunOS &&
-					 uname -r | grep '^5' >/dev/null; then
+	  if test "$vim_cv_uname_output" = SunOS &&
+					 echo $vim_cv_uname_r_output | grep '^5' >/dev/null; then
 	    GUI_LIB_LOC="$GUI_LIB_LOC -R $GUI_LIB_LOC"
 	  fi
 	fi
@@ -3215,7 +3257,7 @@ fi
 
 dnl Check for Cygwin, which needs an extra source file if not using X11
 AC_MSG_CHECKING(for CYGWIN or MSYS environment)
-case `uname` in
+case $vim_cv_uname_output in
     CYGWIN*|MSYS*)    CYGWIN=yes; AC_MSG_RESULT(yes)
                 AC_MSG_CHECKING(for CYGWIN clipboard support)
                 if test "x$with_x" = "xno" ; then
@@ -3446,7 +3488,7 @@ else
   dnl  Older versions of ncurses have bugs, get a new one!
   dnl  Digital Unix (OSF1) should use curses (Ronald Schild).
   dnl  On SCO Openserver should prefer termlib (Roger Cornelius).
-  case "`uname -s 2>/dev/null`" in
+  case "$vim_cv_uname_output" in
 	OSF1|SCO_SV)	tlibs="tinfo ncurses curses termlib termcap";;
 	*)	tlibs="tinfo ncurses termlib termcap curses";;
   esac

src/crypt.c

@@ -200,7 +200,7 @@ crypt_method_nr_from_magic(char *ptr, int len)
 
     i = (int)STRLEN(crypt_magic_head);
     if (len >= i && memcmp(ptr, crypt_magic_head, i) == 0)
-	emsg(_("E821: File is encrypted with unknown method"));
+	emsg(_(e_file_is_encrypted_with_unknown_method));
 
     return -1;
 }
@@ -247,6 +247,7 @@ crypt_get_header_len(int method_nr)
 }
 
 
+#if defined(FEAT_SODIUM) || defined(PROTO)
 /*
  * Get maximum crypt method specific length of the file header in bytes.
  */
@@ -265,6 +266,7 @@ crypt_get_max_header_len()
     }
     return max;
 }
+#endif
 
 /*
  * Set the crypt method for buffer "buf" to "method_nr" using the int value as

src/debugger.c

@@ -594,7 +594,7 @@ dbg_parsearg(
 	bp->dbg_type = DBG_EXPR;
     else
     {
-	semsg(_(e_invarg2), p);
+	semsg(_(e_invalid_argument_str), p);
 	return FAIL;
     }
     p = skipwhite(p + 4);
@@ -619,7 +619,7 @@ dbg_parsearg(
 	    || (here && *p != NUL)
 	    || (bp->dbg_type == DBG_FUNC && strstr((char *)p, "()") != NULL))
     {
-	semsg(_(e_invarg2), arg);
+	semsg(_(e_invalid_argument_str), arg);
 	return FAIL;
     }
 
@@ -815,7 +815,7 @@ ex_breakdel(exarg_T *eap)
     }
 
     if (todel < 0)
-	semsg(_("E161: Breakpoint not found: %s"), eap->arg);
+	semsg(_(e_breakpoint_not_found_str), eap->arg);
     else
     {
 	while (gap->ga_len > 0)

src/dict.c

@@ -222,11 +222,12 @@ dict_free_items(int copyID)
 dictitem_alloc(char_u *key)
 {
     dictitem_T *di;
+    size_t len = STRLEN(key);
 
-    di = alloc(offsetof(dictitem_T, di_key) + STRLEN(key) + 1);
+    di = alloc(offsetof(dictitem_T, di_key) + len + 1);
     if (di != NULL)
     {
-	STRCPY(di->di_key, key);
+	mch_memmove(di->di_key, key, len + 1);
 	di->di_flags = DI_FLAGS_ALLOC;
 	di->di_tv.v_lock = 0;
 	di->di_tv.v_type = VAR_UNKNOWN;
@@ -719,7 +720,7 @@ dict_get_number_check(dict_T *d, char_u *key)
 	return 0;
     if (di->di_tv.v_type != VAR_NUMBER)
     {
-	semsg(_(e_invarg2), tv_get_string(&di->di_tv));
+	semsg(_(e_invalid_argument_str), tv_get_string(&di->di_tv));
 	return 0;
     }
     return tv_get_number(&di->di_tv);
@@ -896,13 +897,11 @@ eval_dict(char_u **arg, typval_T *rettv, evalarg_T *evalarg, int literal)
     int		vim9script = in_vim9script();
     int		had_comma;
 
-    /*
-     * First check if it's not a curly-braces thing: {expr}.
-     * Must do this without evaluating, otherwise a function may be called
-     * twice.  Unfortunately this means we need to call eval1() twice for the
-     * first item.
-     * But {} is an empty Dictionary.
-     */
+    // First check if it's not a curly-braces thing: {expr}.
+    // Must do this without evaluating, otherwise a function may be called
+    // twice.  Unfortunately this means we need to call eval1() twice for the
+    // first item.
+    // But {} is an empty Dictionary.
     if (!vim9script
 	    && *curly_expr != '}'
 	    && eval1(&curly_expr, &tv, NULL) == OK
@@ -963,7 +962,7 @@ eval_dict(char_u **arg, typval_T *rettv, evalarg_T *evalarg, int literal)
 	    if (*skipwhite(*arg) == ':')
 		semsg(_(e_no_white_space_allowed_before_str_str), ":", *arg);
 	    else
-		semsg(_(e_missing_dict_colon), *arg);
+		semsg(_(e_missing_colon_in_dictionary), *arg);
 	    clear_tv(&tvkey);
 	    goto failret;
 	}
@@ -1003,7 +1002,7 @@ eval_dict(char_u **arg, typval_T *rettv, evalarg_T *evalarg, int literal)
 	    item = dict_find(d, key, -1);
 	    if (item != NULL)
 	    {
-		semsg(_(e_duplicate_key), key);
+		semsg(_(e_duplicate_key_in_dicitonary), key);
 		clear_tv(&tvkey);
 		clear_tv(&tv);
 		goto failret;
@@ -1043,7 +1042,7 @@ eval_dict(char_u **arg, typval_T *rettv, evalarg_T *evalarg, int literal)
 	    if (**arg == ',')
 		semsg(_(e_no_white_space_allowed_before_str_str), ",", *arg);
 	    else
-		semsg(_(e_missing_dict_comma), *arg);
+		semsg(_(e_missing_comma_in_dictionary), *arg);
 	    goto failret;
 	}
     }
@@ -1117,7 +1116,7 @@ dict_extend(dict_T *d1, dict_T *d2, char_u *action, char *func_name)
 	    }
 	    else if (*action == 'e')
 	    {
-		semsg(_("E737: Key already exists: %s"), hi2->hi_key);
+		semsg(_(e_key_already_exists_str), hi2->hi_key);
 		break;
 	    }
 	    else if (*action == 'f' && HI2DI(hi2) != di1)
@@ -1183,6 +1182,250 @@ dict_equal(
     return TRUE;
 }
 
+/*
+ * Count the number of times item "needle" occurs in Dict "d". Case is ignored
+ * if "ic" is TRUE.
+ */
+    long
+dict_count(dict_T *d, typval_T *needle, int ic)
+{
+    int		todo;
+    hashitem_T	*hi;
+    long	n = 0;
+
+    if (d == NULL)
+	return 0;
+
+    todo = (int)d->dv_hashtab.ht_used;
+    for (hi = d->dv_hashtab.ht_array; todo > 0; ++hi)
+    {
+	if (!HASHITEM_EMPTY(hi))
+	{
+	    --todo;
+	    if (tv_equal(&HI2DI(hi)->di_tv, needle, ic, FALSE))
+		++n;
+	}
+    }
+
+    return n;
+}
+
+/*
+ * extend() a Dict. Append Dict argvars[1] to Dict argvars[0] and return the
+ * resulting Dict in "rettv".  "is_new" is TRUE for extendnew().
+ */
+    void
+dict_extend_func(
+	typval_T	*argvars,
+	type_T		*type,
+	char		*func_name,
+	char_u		*arg_errmsg,
+	int		is_new,
+	typval_T	*rettv)
+{
+    dict_T	*d1, *d2;
+    char_u	*action;
+    int	i;
+
+    d1 = argvars[0].vval.v_dict;
+    if (d1 == NULL)
+    {
+	emsg(_(e_cannot_extend_null_dict));
+	return;
+    }
+    d2 = argvars[1].vval.v_dict;
+    if ((is_new || !value_check_lock(d1->dv_lock, arg_errmsg, TRUE))
+	    && d2 != NULL)
+    {
+	if (is_new)
+	{
+	    d1 = dict_copy(d1, FALSE, get_copyID());
+	    if (d1 == NULL)
+		return;
+	}
+
+	// Check the third argument.
+	if (argvars[2].v_type != VAR_UNKNOWN)
+	{
+	    static char *(av[]) = {"keep", "force", "error"};
+
+	    action = tv_get_string_chk(&argvars[2]);
+	    if (action == NULL)
+		return;
+	    for (i = 0; i < 3; ++i)
+		if (STRCMP(action, av[i]) == 0)
+		    break;
+	    if (i == 3)
+	    {
+		semsg(_(e_invalid_argument_str), action);
+		return;
+	    }
+	}
+	else
+	    action = (char_u *)"force";
+
+	if (type != NULL && check_typval_arg_type(type, &argvars[1],
+		    func_name, 2) == FAIL)
+	    return;
+	dict_extend(d1, d2, action, func_name);
+
+	if (is_new)
+	{
+	    rettv->v_type = VAR_DICT;
+	    rettv->vval.v_dict = d1;
+	    rettv->v_lock = FALSE;
+	}
+	else
+	    copy_tv(&argvars[0], rettv);
+    }
+}
+
+/*
+ * Implementation of map() and filter() for a Dict.  Apply "expr" to every
+ * item in Dict "d" and return the result in "rettv".
+ */
+    void
+dict_filter_map(
+	dict_T		*d,
+	filtermap_T	filtermap,
+	type_T		*argtype,
+	char		*func_name,
+	char_u		*arg_errmsg,
+	typval_T	*expr,
+	typval_T	*rettv)
+{
+    int		prev_lock;
+    dict_T	*d_ret = NULL;
+    hashtab_T	*ht;
+    hashitem_T	*hi;
+    dictitem_T	*di;
+    int		todo;
+    int		rem;
+
+    if (filtermap == FILTERMAP_MAPNEW)
+    {
+	rettv->v_type = VAR_DICT;
+	rettv->vval.v_dict = NULL;
+    }
+    if (d == NULL
+	  || (filtermap == FILTERMAP_FILTER
+			&& value_check_lock(d->dv_lock, arg_errmsg, TRUE)))
+	return;
+
+    prev_lock = d->dv_lock;
+
+    if (filtermap == FILTERMAP_MAPNEW)
+    {
+	if (rettv_dict_alloc(rettv) == FAIL)
+	    return;
+	d_ret = rettv->vval.v_dict;
+    }
+
+    if (filtermap != FILTERMAP_FILTER && d->dv_lock == 0)
+	d->dv_lock = VAR_LOCKED;
+    ht = &d->dv_hashtab;
+    hash_lock(ht);
+    todo = (int)ht->ht_used;
+    for (hi = ht->ht_array; todo > 0; ++hi)
+    {
+	if (!HASHITEM_EMPTY(hi))
+	{
+	    int		r;
+	    typval_T	newtv;
+
+	    --todo;
+	    di = HI2DI(hi);
+	    if (filtermap == FILTERMAP_MAP
+		    && (value_check_lock(di->di_tv.v_lock,
+			    arg_errmsg, TRUE)
+			|| var_check_ro(di->di_flags,
+			    arg_errmsg, TRUE)))
+		break;
+	    set_vim_var_string(VV_KEY, di->di_key, -1);
+	    newtv.v_type = VAR_UNKNOWN;
+	    r = filter_map_one(&di->di_tv, expr, filtermap,
+		    &newtv, &rem);
+	    clear_tv(get_vim_var_tv(VV_KEY));
+	    if (r == FAIL || did_emsg)
+	    {
+		clear_tv(&newtv);
+		break;
+	    }
+	    if (filtermap == FILTERMAP_MAP)
+	    {
+		if (argtype != NULL && check_typval_arg_type(
+			     argtype->tt_member, &newtv, func_name, 0) == FAIL)
+		{
+		    clear_tv(&newtv);
+		    break;
+		}
+		// map(): replace the dict item value
+		clear_tv(&di->di_tv);
+		newtv.v_lock = 0;
+		di->di_tv = newtv;
+	    }
+	    else if (filtermap == FILTERMAP_MAPNEW)
+	    {
+		// mapnew(): add the item value to the new dict
+		r = dict_add_tv(d_ret, (char *)di->di_key, &newtv);
+		clear_tv(&newtv);
+		if (r == FAIL)
+		    break;
+	    }
+	    else if (filtermap == FILTERMAP_FILTER && rem)
+	    {
+		// filter(false): remove the item from the dict
+		if (var_check_fixed(di->di_flags, arg_errmsg, TRUE)
+			|| var_check_ro(di->di_flags, arg_errmsg, TRUE))
+		    break;
+		dictitem_remove(d, di);
+	    }
+	}
+    }
+    hash_unlock(ht);
+    d->dv_lock = prev_lock;
+}
+
+/*
+ * "remove({dict})" function
+ */
+    void
+dict_remove(typval_T *argvars, typval_T *rettv, char_u *arg_errmsg)
+{
+    dict_T	*d;
+    char_u	*key;
+    dictitem_T	*di;
+
+    if (argvars[2].v_type != VAR_UNKNOWN)
+    {
+	semsg(_(e_too_many_arguments_for_function_str), "remove()");
+	return;
+    }
+
+    d = argvars[0].vval.v_dict;
+    if (d == NULL || value_check_lock(d->dv_lock, arg_errmsg, TRUE))
+	return;
+
+    key = tv_get_string_chk(&argvars[1]);
+    if (key == NULL)
+	return;
+
+    di = dict_find(d, key, -1);
+    if (di == NULL)
+    {
+	semsg(_(e_key_not_present_in_dictionary), key);
+	return;
+    }
+
+    if (var_check_fixed(di->di_flags, arg_errmsg, TRUE)
+	    || var_check_ro(di->di_flags, arg_errmsg, TRUE))
+	return;
+
+    *rettv = di->di_tv;
+    init_tv(&di->di_tv);
+    dictitem_remove(d, di);
+}
+
 /*
  * Turn a dict into a list:
  * "what" == 0: list of keys
@@ -1205,7 +1448,7 @@ dict_list(typval_T *argvars, typval_T *rettv, int what)
 
     if (argvars[0].v_type != VAR_DICT)
     {
-	emsg(_(e_dictreq));
+	emsg(_(e_dictionary_required));
 	return;
     }
 
@@ -1328,7 +1571,7 @@ f_has_key(typval_T *argvars, typval_T *rettv)
 
     if (argvars[0].v_type != VAR_DICT)
     {
-	emsg(_(e_dictreq));
+	emsg(_(e_dictionary_required));
 	return;
     }
     if (argvars[0].vval.v_dict == NULL)
@@ -1338,36 +1581,4 @@ f_has_key(typval_T *argvars, typval_T *rettv)
 				      tv_get_string(&argvars[1]), -1) != NULL;
 }
 
-/*
- * "remove({dict})" function
- */
-    void
-dict_remove(typval_T *argvars, typval_T *rettv, char_u *arg_errmsg)
-{
-    dict_T	*d;
-    char_u	*key;
-    dictitem_T	*di;
-
-    if (argvars[2].v_type != VAR_UNKNOWN)
-	semsg(_(e_toomanyarg), "remove()");
-    else if ((d = argvars[0].vval.v_dict) != NULL
-	    && !value_check_lock(d->dv_lock, arg_errmsg, TRUE))
-    {
-	key = tv_get_string_chk(&argvars[1]);
-	if (key != NULL)
-	{
-	    di = dict_find(d, key, -1);
-	    if (di == NULL)
-		semsg(_(e_dictkey), key);
-	    else if (!var_check_fixed(di->di_flags, arg_errmsg, TRUE)
-			&& !var_check_ro(di->di_flags, arg_errmsg, TRUE))
-	    {
-		*rettv = di->di_tv;
-		init_tv(&di->di_tv);
-		dictitem_remove(d, di);
-	    }
-	}
-    }
-}
-
 #endif // defined(FEAT_EVAL)

src/diff.c

@@ -64,6 +64,14 @@ typedef struct {
     garray_T	dout_ga;      // used for internal diff
 } diffout_T;
 
+// used for recording hunks from xdiff
+typedef struct {
+    linenr_T lnum_orig;
+    long     count_orig;
+    linenr_T lnum_new;
+    long     count_new;
+} diffhunk_T;
+
 // two diff inputs and one result
 typedef struct {
     diffin_T	dio_orig;     // original file input
@@ -84,12 +92,12 @@ static int diff_cmp(char_u *s1, char_u *s2);
 #ifdef FEAT_FOLDING
 static void diff_fold_update(diff_T *dp, int skip_idx);
 #endif
-static void diff_read(int idx_orig, int idx_new, diffout_T *fname);
+static void diff_read(int idx_orig, int idx_new, diffio_T *dio);
 static void diff_copy_entry(diff_T *dprev, diff_T *dp, int idx_orig, int idx_new);
 static diff_T *diff_alloc_new(tabpage_T *tp, diff_T *dprev, diff_T *dp);
-static int parse_diff_ed(char_u *line, linenr_T *lnum_orig, long *count_orig, linenr_T *lnum_new, long *count_new);
-static int parse_diff_unified(char_u *line, linenr_T *lnum_orig, long *count_orig, linenr_T *lnum_new, long *count_new);
-static int xdiff_out(void *priv, mmbuffer_t *mb, int nbuf);
+static int parse_diff_ed(char_u *line, diffhunk_T *hunk);
+static int parse_diff_unified(char_u *line, diffhunk_T *hunk);
+static int xdiff_out(long start_a, long count_a, long start_b, long count_b, void *priv);
 
 #define FOR_ALL_DIFFBLOCKS_IN_TAB(tp, dp) \
     for ((dp) = (tp)->tp_first_diff; (dp) != NULL; (dp) = (dp)->df_next)
@@ -173,7 +181,7 @@ diff_buf_add(buf_T *buf)
 	    return;
 	}
 
-    semsg(_("E96: Cannot diff more than %d buffers"), DB_COUNT);
+    semsg(_(e_cannot_diff_more_than_nr_buffers), DB_COUNT);
 }
 
 /*
@@ -693,11 +701,11 @@ diff_redraw(
     if (wp_other != NULL && curwin->w_p_scb)
     {
 	if (used_max_fill_curwin)
-	    // The current window was set to used the maximum number of filler
+	    // The current window was set to use the maximum number of filler
 	    // lines, may need to reduce them.
 	    diff_set_topline(wp_other, curwin);
 	else if (used_max_fill_other)
-	    // The other window was set to used the maximum number of filler
+	    // The other window was set to use the maximum number of filler
 	    // lines, may need to reduce them.
 	    diff_set_topline(curwin, wp_other);
     }
@@ -769,9 +777,14 @@ diff_write_buffer(buf_T *buf, diffin_T *din)
 		int	orig_len;
 		char_u	cbuf[MB_MAXBYTES + 1];
 
-		// xdiff doesn't support ignoring case, fold-case the text.
-		c = PTR2CHAR(s);
-		c = MB_CASEFOLD(c);
+		if (*s == NL)
+		    c = NUL;
+		else
+		{
+		    // xdiff doesn't support ignoring case, fold-case the text.
+		    c = PTR2CHAR(s);
+		    c = MB_CASEFOLD(c);
+		}
 		orig_len = mb_ptr2len(s);
 		if (mb_char2bytes(c, cbuf) != orig_len)
 		    // TODO: handle byte length difference
@@ -783,7 +796,10 @@ diff_write_buffer(buf_T *buf, diffin_T *din)
 		len += orig_len;
 	    }
 	    else
-		ptr[len++] = *s++;
+	    {
+		ptr[len++] = *s == NL ? NUL : *s;
+		s++;
+	    }
 	}
 	ptr[len++] = NL;
     }
@@ -880,7 +896,7 @@ diff_try_update(
 	    continue;
 
 	// Read the diff output and add each entry to the diff list.
-	diff_read(idx_orig, idx_new, &dio->dio_diff);
+	diff_read(idx_orig, idx_new, dio);
 
 	clear_diffin(&dio->dio_new);
 	clear_diffout(&dio->dio_diff);
@@ -1080,8 +1096,8 @@ check_external_diff(diffio_T *diffio)
     if (!ok)
     {
 	if (io_error)
-	    emsg(_("E810: Cannot read or write temp files"));
-	emsg(_("E97: Cannot create diffs"));
+	    emsg(_(e_cannot_read_or_write_temp_files));
+	emsg(_(e_cannot_create_diffs));
 	diff_a_works = MAYBE;
 #if defined(MSWIN)
 	diff_bin_works = MAYBE;
@@ -1118,12 +1134,12 @@ diff_file_internal(diffio_T *diffio)
 
     emit_cfg.ctxlen = 0; // don't need any diff_context here
     emit_cb.priv = &diffio->dio_diff;
-    emit_cb.out_line = xdiff_out;
+    emit_cfg.hunk_func = xdiff_out;
     if (xdl_diff(&diffio->dio_orig.din_mmfile,
 		&diffio->dio_new.din_mmfile,
 		&param, &emit_cfg, &emit_cb) < 0)
     {
-	emsg(_("E960: Problem creating the internal diff"));
+	emsg(_(e_problem_creating_internal_diff));
 	return FAIL;
     }
     return OK;
@@ -1303,7 +1319,7 @@ ex_diffpatch(exarg_T *eap)
     if (dirbuf[0] != NUL)
     {
 	if (mch_chdir((char *)dirbuf) != 0)
-	    emsg(_(e_prev_dir));
+	    emsg(_(e_cannot_go_back_to_previous_directory));
 	shorten_fnames(TRUE);
     }
 #endif
@@ -1321,7 +1337,7 @@ ex_diffpatch(exarg_T *eap)
 
     // Only continue if the output file was created.
     if (mch_stat((char *)tmp_new, &st) < 0 || st.st_size == 0)
-	emsg(_("E816: Cannot read patch output"));
+	emsg(_(e_cannot_read_patch_output));
     else
     {
 	if (curbuf->b_fname != NULL)
@@ -1482,9 +1498,9 @@ diff_win_options(
     wp->w_p_crb = TRUE;
     if (!(diff_flags & DIFF_FOLLOWWRAP))
     {
-        if (!wp->w_p_diff)
+	if (!wp->w_p_diff)
 	    wp->w_p_wrap_save = wp->w_p_wrap;
-        wp->w_p_wrap = FALSE;
+	wp->w_p_wrap = FALSE;
     }
 # ifdef FEAT_FOLDING
     if (!wp->w_p_diff)
@@ -1549,7 +1565,7 @@ ex_diffoff(exarg_T *eap)
 		if (!(diff_flags & DIFF_FOLLOWWRAP))
 		{
 		    if (!wp->w_p_wrap)
-		        wp->w_p_wrap = wp->w_p_wrap_save;
+			wp->w_p_wrap = wp->w_p_wrap_save;
 		}
 #ifdef FEAT_FOLDING
 		free_string_option(wp->w_p_fdm);
@@ -1595,7 +1611,7 @@ ex_diffoff(exarg_T *eap)
 	diff_clear(curtab);
     }
 
-    // Remove "hor" from from 'scrollopt' if there are no diff windows left.
+    // Remove "hor" from 'scrollopt' if there are no diff windows left.
     if (!diffwin && vim_strchr(p_sbo, 'h') != NULL)
 	do_cmdline_cmd((char_u *)"set sbo-=hor");
 }
@@ -1607,20 +1623,21 @@ ex_diffoff(exarg_T *eap)
 diff_read(
     int		idx_orig,	// idx of original file
     int		idx_new,	// idx of new file
-    diffout_T	*dout)		// diff output
+    diffio_T   *dio)		// diff output
 {
     FILE	*fd = NULL;
     int		line_idx = 0;
     diff_T	*dprev = NULL;
     diff_T	*dp = curtab->tp_first_diff;
     diff_T	*dn, *dpl;
+    diffout_T   *dout = &dio->dio_diff;
     char_u	linebuf[LBUFLEN];   // only need to hold the diff line
     char_u	*line;
     long	off;
     int		i;
-    linenr_T	lnum_orig, lnum_new;
-    long	count_orig, count_new;
     int		notset = TRUE;	    // block "*dp" not set yet
+    diffhunk_T	*hunk = NULL;	    // init to avoid gcc warning
+
     enum {
 	DIFF_ED,
 	DIFF_UNIFIED,
@@ -1636,80 +1653,96 @@ diff_read(
 	fd = mch_fopen((char *)dout->dout_fname, "r");
 	if (fd == NULL)
 	{
-	    emsg(_("E98: Cannot read diff output"));
+	    emsg(_(e_cannot_read_diff_output));
 	    return;
 	}
     }
 
+    if (!dio->dio_internal)
+    {
+	hunk = ALLOC_ONE(diffhunk_T);
+	if (hunk == NULL)
+	    return;
+    }
+
     for (;;)
     {
-	if (fd == NULL)
+	if (dio->dio_internal)
 	{
-	    if (line_idx >= dout->dout_ga.ga_len)
-		break;	    // did last line
-	    line = ((char_u **)dout->dout_ga.ga_data)[line_idx++];
+	    if (line_idx >= dout->dout_ga.ga_len) {
+		break;      // did last line
+	    }
+	    hunk = ((diffhunk_T **)dout->dout_ga.ga_data)[line_idx++];
 	}
 	else
 	{
-	    if (vim_fgets(linebuf, LBUFLEN, fd))
-		break;		// end of file
-	    line = linebuf;
-	}
-
-	if (diffstyle == DIFF_NONE)
-	{
-	    // Determine diff style.
-	    // ed like diff looks like this:
-	    // {first}[,{last}]c{first}[,{last}]
-	    // {first}a{first}[,{last}]
-	    // {first}[,{last}]d{first}
-	    //
-	    // unified diff looks like this:
-	    // --- file1       2018-03-20 13:23:35.783153140 +0100
-	    // +++ file2       2018-03-20 13:23:41.183156066 +0100
-	    // @@ -1,3 +1,5 @@
-	    if (isdigit(*line))
-		diffstyle = DIFF_ED;
-	    else if ((STRNCMP(line, "@@ ", 3) == 0))
-	       diffstyle = DIFF_UNIFIED;
-	    else if ((STRNCMP(line, "--- ", 4) == 0)
-		    && (vim_fgets(linebuf, LBUFLEN, fd) == 0)
-		    && (STRNCMP(line, "+++ ", 4) == 0)
-		    && (vim_fgets(linebuf, LBUFLEN, fd) == 0)
-		    && (STRNCMP(line, "@@ ", 3) == 0))
-		diffstyle = DIFF_UNIFIED;
+	    if (fd == NULL)
+	    {
+		if (line_idx >= dout->dout_ga.ga_len)
+		    break;	    // did last line
+		line = ((char_u **)dout->dout_ga.ga_data)[line_idx++];
+	    }
 	    else
-		// Format not recognized yet, skip over this line.  Cygwin diff
-		// may put a warning at the start of the file.
-		continue;
-	}
+	    {
+		if (vim_fgets(linebuf, LBUFLEN, fd))
+		    break;		// end of file
+		line = linebuf;
+	    }
 
-	if (diffstyle == DIFF_ED)
-	{
-	    if (!isdigit(*line))
-		continue;	// not the start of a diff block
-	    if (parse_diff_ed(line, &lnum_orig, &count_orig,
-						&lnum_new, &count_new) == FAIL)
-		continue;
-	}
-	else if (diffstyle == DIFF_UNIFIED)
-	{
-	    if (STRNCMP(line, "@@ ", 3)  != 0)
-		continue;	// not the start of a diff block
-	    if (parse_diff_unified(line, &lnum_orig, &count_orig,
-						&lnum_new, &count_new) == FAIL)
-		continue;
-	}
-	else
-	{
-	    emsg(_("E959: Invalid diff format."));
-	    break;
+	    if (diffstyle == DIFF_NONE)
+	    {
+		// Determine diff style.
+		// ed like diff looks like this:
+		// {first}[,{last}]c{first}[,{last}]
+		// {first}a{first}[,{last}]
+		// {first}[,{last}]d{first}
+		//
+		// unified diff looks like this:
+		// --- file1       2018-03-20 13:23:35.783153140 +0100
+		// +++ file2       2018-03-20 13:23:41.183156066 +0100
+		// @@ -1,3 +1,5 @@
+		if (isdigit(*line))
+		    diffstyle = DIFF_ED;
+		else if ((STRNCMP(line, "@@ ", 3) == 0))
+		    diffstyle = DIFF_UNIFIED;
+		else if ((STRNCMP(line, "--- ", 4) == 0)
+			&& (vim_fgets(linebuf, LBUFLEN, fd) == 0)
+			&& (STRNCMP(line, "+++ ", 4) == 0)
+			&& (vim_fgets(linebuf, LBUFLEN, fd) == 0)
+			&& (STRNCMP(line, "@@ ", 3) == 0))
+		    diffstyle = DIFF_UNIFIED;
+		else
+		    // Format not recognized yet, skip over this line.  Cygwin
+		    // diff may put a warning at the start of the file.
+		    continue;
+	    }
+
+	    if (diffstyle == DIFF_ED)
+	    {
+		if (!isdigit(*line))
+		    continue;	// not the start of a diff block
+		if (parse_diff_ed(line, hunk) == FAIL)
+		    continue;
+	    }
+	    else if (diffstyle == DIFF_UNIFIED)
+	    {
+		if (STRNCMP(line, "@@ ", 3)  != 0)
+		    continue;	// not the start of a diff block
+		if (parse_diff_unified(line, hunk) == FAIL)
+		    continue;
+	    }
+	    else
+	    {
+		emsg(_(e_invalid_diff_format));
+		break;
+	    }
 	}
 
 	// Go over blocks before the change, for which orig and new are equal.
 	// Copy blocks from orig to new.
 	while (dp != NULL
-		&& lnum_orig > dp->df_lnum[idx_orig] + dp->df_count[idx_orig])
+		&& hunk->lnum_orig > dp->df_lnum[idx_orig]
+						      + dp->df_count[idx_orig])
 	{
 	    if (notset)
 		diff_copy_entry(dprev, dp, idx_orig, idx_new);
@@ -1719,41 +1752,43 @@ diff_read(
 	}
 
 	if (dp != NULL
-		&& lnum_orig <= dp->df_lnum[idx_orig] + dp->df_count[idx_orig]
-		&& lnum_orig + count_orig >= dp->df_lnum[idx_orig])
+		&& hunk->lnum_orig <= dp->df_lnum[idx_orig]
+						       + dp->df_count[idx_orig]
+		&& hunk->lnum_orig + hunk->count_orig >= dp->df_lnum[idx_orig])
 	{
 	    // New block overlaps with existing block(s).
 	    // First find last block that overlaps.
 	    for (dpl = dp; dpl->df_next != NULL; dpl = dpl->df_next)
-		if (lnum_orig + count_orig < dpl->df_next->df_lnum[idx_orig])
+		if (hunk->lnum_orig + hunk->count_orig
+					     < dpl->df_next->df_lnum[idx_orig])
 		    break;
 
 	    // If the newly found block starts before the old one, set the
 	    // start back a number of lines.
-	    off = dp->df_lnum[idx_orig] - lnum_orig;
+	    off = dp->df_lnum[idx_orig] - hunk->lnum_orig;
 	    if (off > 0)
 	    {
 		for (i = idx_orig; i < idx_new; ++i)
 		    if (curtab->tp_diffbuf[i] != NULL)
 			dp->df_lnum[i] -= off;
-		dp->df_lnum[idx_new] = lnum_new;
-		dp->df_count[idx_new] = count_new;
+		dp->df_lnum[idx_new] = hunk->lnum_new;
+		dp->df_count[idx_new] = hunk->count_new;
 	    }
 	    else if (notset)
 	    {
 		// new block inside existing one, adjust new block
-		dp->df_lnum[idx_new] = lnum_new + off;
-		dp->df_count[idx_new] = count_new - off;
+		dp->df_lnum[idx_new] = hunk->lnum_new + off;
+		dp->df_count[idx_new] = hunk->count_new - off;
 	    }
 	    else
 		// second overlap of new block with existing block
-		dp->df_count[idx_new] += count_new - count_orig
+		dp->df_count[idx_new] += hunk->count_new - hunk->count_orig
 		    + dpl->df_lnum[idx_orig] + dpl->df_count[idx_orig]
 		    - (dp->df_lnum[idx_orig] + dp->df_count[idx_orig]);
 
 	    // Adjust the size of the block to include all the lines to the
 	    // end of the existing block or the new diff, whatever ends last.
-	    off = (lnum_orig + count_orig)
+	    off = (hunk->lnum_orig + hunk->count_orig)
 			 - (dpl->df_lnum[idx_orig] + dpl->df_count[idx_orig]);
 	    if (off < 0)
 	    {
@@ -1785,10 +1820,10 @@ diff_read(
 	    if (dp == NULL)
 		goto done;
 
-	    dp->df_lnum[idx_orig] = lnum_orig;
-	    dp->df_count[idx_orig] = count_orig;
-	    dp->df_lnum[idx_new] = lnum_new;
-	    dp->df_count[idx_new] = count_new;
+	    dp->df_lnum[idx_orig] = hunk->lnum_orig;
+	    dp->df_count[idx_orig] = hunk->count_orig;
+	    dp->df_lnum[idx_new] = hunk->lnum_new;
+	    dp->df_count[idx_new] = hunk->count_new;
 
 	    // Set values for other buffers, these must be equal to the
 	    // original buffer, otherwise there would have been a change
@@ -1811,6 +1846,9 @@ diff_read(
     }
 
 done:
+    if (!dio->dio_internal)
+	vim_free(hunk);
+
     if (fd != NULL)
 	fclose(fd);
 }
@@ -2625,7 +2663,7 @@ ex_diffgetput(exarg_T *eap)
     idx_cur = diff_buf_idx(curbuf);
     if (idx_cur == DB_COUNT)
     {
-	emsg(_("E99: Current buffer is not in diff mode"));
+	emsg(_(e_current_buffer_is_not_in_diff_mode));
 	return;
     }
 
@@ -2644,9 +2682,9 @@ ex_diffgetput(exarg_T *eap)
 	if (idx_other == DB_COUNT)
 	{
 	    if (found_not_ma)
-		emsg(_("E793: No other buffer in diff mode is modifiable"));
+		emsg(_(e_no_other_buffer_in_diff_mode_is_modifiable));
 	    else
-		emsg(_("E100: No other buffer in diff mode"));
+		emsg(_(e_no_other_buffer_in_diff_mode));
 	    return;
 	}
 
@@ -2656,7 +2694,7 @@ ex_diffgetput(exarg_T *eap)
 		    && curtab->tp_diffbuf[i] != NULL
 		    && (eap->cmdidx != CMD_diffput || curtab->tp_diffbuf[i]->b_p_ma))
 	    {
-		emsg(_("E101: More than two buffers in diff mode, don't know which one to use"));
+		emsg(_(e_more_than_two_buffers_in_diff_mode_dont_know_which_one_to_use));
 		return;
 	    }
     }
@@ -2679,7 +2717,7 @@ ex_diffgetput(exarg_T *eap)
 	buf = buflist_findnr(i);
 	if (buf == NULL)
 	{
-	    semsg(_("E102: Can't find buffer \"%s\""), eap->arg);
+	    semsg(_(e_cant_find_buffer_str), eap->arg);
 	    return;
 	}
 	if (buf == curbuf)
@@ -2687,7 +2725,7 @@ ex_diffgetput(exarg_T *eap)
 	idx_other = diff_buf_idx(buf);
 	if (idx_other == DB_COUNT)
 	{
-	    semsg(_("E103: Buffer \"%s\" is not in diff mode"), eap->arg);
+	    semsg(_(e_buffer_str_is_not_in_diff_mode), eap->arg);
 	    return;
 	}
     }
@@ -2731,7 +2769,7 @@ ex_diffgetput(exarg_T *eap)
 	change_warning(0);
 	if (diff_buf_idx(curbuf) != idx_to)
 	{
-	    emsg(_("E787: Buffer changed unexpectedly"));
+	    emsg(_(e_buffer_changed_unexpectedly));
 	    goto theend;
 	}
     }
@@ -3137,10 +3175,7 @@ diff_lnum_win(linenr_T lnum, win_T *wp)
     static int
 parse_diff_ed(
 	char_u	    *line,
-	linenr_T    *lnum_orig,
-	long	    *count_orig,
-	linenr_T    *lnum_new,
-	long	    *count_new)
+	diffhunk_T  *hunk)
 {
     char_u *p;
     long    f1, l1, f2, l2;
@@ -3175,23 +3210,23 @@ parse_diff_ed(
 
     if (difftype == 'a')
     {
-	*lnum_orig = f1 + 1;
-	*count_orig = 0;
+	hunk->lnum_orig = f1 + 1;
+	hunk->count_orig = 0;
     }
     else
     {
-	*lnum_orig = f1;
-	*count_orig = l1 - f1 + 1;
+	hunk->lnum_orig = f1;
+	hunk->count_orig = l1 - f1 + 1;
     }
     if (difftype == 'd')
     {
-	*lnum_new = f2 + 1;
-	*count_new = 0;
+	hunk->lnum_new = f2 + 1;
+	hunk->count_new = 0;
     }
     else
     {
-	*lnum_new = f2;
-	*count_new = l2 - f2 + 1;
+	hunk->lnum_new = f2;
+	hunk->count_new = l2 - f2 + 1;
     }
     return OK;
 }
@@ -3203,10 +3238,7 @@ parse_diff_ed(
     static int
 parse_diff_unified(
 	char_u	    *line,
-	linenr_T    *lnum_orig,
-	long	    *count_orig,
-	linenr_T    *lnum_new,
-	long	    *count_new)
+	diffhunk_T  *hunk)
 {
     char_u *p;
     long    oldline, oldcount, newline, newcount;
@@ -3245,10 +3277,10 @@ parse_diff_unified(
 	if (newline == 0)
 	    newline = 1;
 
-	*lnum_orig = oldline;
-	*count_orig = oldcount;
-	*lnum_new = newline;
-	*count_new = newcount;
+	hunk->lnum_orig = oldline;
+	hunk->count_orig = oldcount;
+	hunk->lnum_new = newline;
+	hunk->count_new = newcount;
 
 	return OK;
     }
@@ -3261,26 +3293,30 @@ parse_diff_unified(
  * Stores the diff output in a grow array.
  */
     static int
-xdiff_out(void *priv, mmbuffer_t *mb, int nbuf)
+xdiff_out(
+	long start_a,
+	long count_a,
+	long start_b,
+	long count_b,
+	void *priv)
 {
     diffout_T	*dout = (diffout_T *)priv;
-    char_u	*p;
+    diffhunk_T *p = ALLOC_ONE(diffhunk_T);
 
-    // The header line always comes by itself, text lines in at least two
-    // parts.  We drop the text part.
-    if (nbuf > 1)
-	return 0;
-
-    // sanity check
-    if (STRNCMP(mb[0].ptr, "@@ ", 3)  != 0)
-	return 0;
-
-    if (ga_grow(&dout->dout_ga, 1) == FAIL)
-	return -1;
-    p = vim_strnsave((char_u *)mb[0].ptr, mb[0].size);
     if (p == NULL)
 	return -1;
-    ((char_u **)dout->dout_ga.ga_data)[dout->dout_ga.ga_len++] = p;
+
+    if (ga_grow(&dout->dout_ga, 1) == FAIL)
+    {
+	vim_free(p);
+	return -1;
+    }
+
+    p->lnum_orig  = start_a + 1;
+    p->count_orig = count_a;
+    p->lnum_new   = start_b + 1;
+    p->count_new  = count_b;
+    ((diffhunk_T **)dout->dout_ga.ga_data)[dout->dout_ga.ga_len++] = p;
     return 0;
 }
 

src/digraph.c

@@ -2043,7 +2043,7 @@ check_digraph_chars_valid(int char1, int char2)
     }
     if (char1 == ESC || char2 == ESC)
     {
-	emsg(_("E104: Escape not allowed in digraph"));
+	emsg(_(e_escape_not_allowed_in_digraph));
 	return FALSE;
     }
     return TRUE;
@@ -2596,7 +2596,7 @@ keymap_init(void)
 	    if (source_runtime(buf, 0) == FAIL)
 	    {
 		vim_free(buf);
-		return N_("E544: Keymap file not found");
+		return N_(e_keymap_file_not_found);
 	    }
 	}
 	vim_free(buf);
@@ -2622,7 +2622,7 @@ ex_loadkeymap(exarg_T *eap)
 
     if (!getline_equal(eap->getline, eap->cookie, getsourceline))
     {
-	emsg(_("E105: Using :loadkeymap not in a sourced file"));
+	emsg(_(e_using_loadkeymap_not_in_sourced_file));
 	return;
     }
 
@@ -2661,7 +2661,7 @@ ex_loadkeymap(exarg_T *eap)
 		    || *kp->from == NUL || *kp->to == NUL)
 	    {
 		if (kp->to != NULL && *kp->to == NUL)
-		    emsg(_("E791: Empty keymap entry"));
+		    emsg(_(e_empty_keymap_entry));
 		vim_free(kp->from);
 		vim_free(kp->to);
 	    }

src/drawline.c

@@ -377,6 +377,7 @@ win_line(
 #ifdef FEAT_SIGNS
     int		sign_present = FALSE;
     sign_attrs_T sattr;
+    int		num_attr = 0;		// attribute for the number column
 #endif
 #ifdef FEAT_ARABIC
     int		prev_c = 0;		// previous Arabic character
@@ -699,6 +700,8 @@ win_line(
 
 #ifdef FEAT_SIGNS
     sign_present = buf_get_signattrs(wp, lnum, &sattr);
+    if (sign_present)
+	num_attr = sattr.sat_numhl;
 #endif
 
 #ifdef LINE_ATTR
@@ -1206,6 +1209,10 @@ win_line(
 			  char_attr = hl_combine_attr(wcr_attr,
 							     HL_ATTR(HLF_LNB));
 		    }
+#ifdef FEAT_SIGNS
+		    if (num_attr)
+			char_attr = num_attr;
+#endif
 		}
 	    }
 
@@ -2251,7 +2258,7 @@ win_line(
 
 			// Make sure, the highlighting for the tab char will be
 			// correctly set further below (effectively reverts the
-			// FIX_FOR_BOGSUCOLS macro
+			// FIX_FOR_BOGSUCOLS macro).
 			if (n_extra == tab_len + vc_saved && wp->w_p_list
 						&& wp->w_lcs_chars.tab1)
 			    tab_len += vc_saved;
@@ -2931,7 +2938,7 @@ win_line(
 #if defined(FEAT_RIGHTLEFT)
 	    if (has_mbyte && wp->w_p_rl && (*mb_char2cells)(mb_c) > 1)
 	    {
-		// A double-wide character is: put first halve in left cell.
+		// A double-wide character is: put first half in left cell.
 		--off;
 		--col;
 	    }

src/drawscreen.c

@@ -342,6 +342,13 @@ update_screen(int type_arg)
     update_popups(win_update);
 #endif
 
+#ifdef FEAT_TERMINAL
+    FOR_ALL_WINDOWS(wp)
+	// If this window contains a terminal, after redrawing all windows, the
+	// dirty row range can be reset.
+	term_did_update_window(wp);
+#endif
+
     after_updating_screen(TRUE);
 
     // Clear or redraw the command line.  Done last, because scrolling may

src/edit.c

@@ -175,7 +175,7 @@ edit(
     if (textwinlock != 0 || textlock != 0
 			  || ins_compl_active() || compl_busy || pum_visible())
     {
-	emsg(_(e_textwinlock));
+	emsg(_(e_not_allowed_to_change_text_or_change_window));
 	return FALSE;
     }
     ins_compl_clear();	    // clear stuff for CTRL-X mode
@@ -598,9 +598,14 @@ edit(
 	    {
 		c = safe_vgetc();
 
-		if (stop_insert_mode)
+		if (stop_insert_mode
+#ifdef FEAT_TERMINAL
+			|| (c == K_IGNORE && term_use_loop())
+#endif
+		   )
 		{
-		    // Insert mode ended, possibly from a callback.
+		    // Insert mode ended, possibly from a callback, or a timer
+		    // must have opened a terminal window.
 		    if (c != K_IGNORE && c != K_NOP)
 			vungetc(c);
 		    count = 0;
@@ -1275,7 +1280,7 @@ doESCkey:
 	    // but it is under other ^X modes
 	    if (*curbuf->b_p_cpt == NUL
 		    && (ctrl_x_mode_normal() || ctrl_x_mode_whole_line())
-		    && !(compl_cont_status & CONT_LOCAL))
+		    && !compl_status_local())
 		goto normalchar;
 
 docomplete:
@@ -1284,7 +1289,7 @@ docomplete:
 	    disable_fold_update++;  // don't redraw folds here
 #endif
 	    if (ins_complete(c, TRUE) == FAIL)
-		compl_cont_status = 0;
+		compl_status_clear();
 #ifdef FEAT_FOLDING
 	    disable_fold_update--;
 #endif
@@ -1652,8 +1657,8 @@ decodeModifyOtherKeys(int c)
  */
 static int  pc_status;
 #define PC_STATUS_UNSET	0	// pc_bytes was not set
-#define PC_STATUS_RIGHT	1	// right halve of double-wide char
-#define PC_STATUS_LEFT	2	// left halve of double-wide char
+#define PC_STATUS_RIGHT	1	// right half of double-wide char
+#define PC_STATUS_LEFT	2	// left half of double-wide char
 #define PC_STATUS_SET	3	// pc_bytes was filled
 static char_u pc_bytes[MB_MAXBYTES + 1]; // saved bytes
 static int  pc_attr;
@@ -1710,6 +1715,7 @@ edit_putchar(int c, int highlight)
     }
 }
 
+#if defined(FEAT_JOB_CHANNEL) || defined(PROTO)
 /*
  * Set the insert start position for when using a prompt buffer.
  */
@@ -1723,6 +1729,7 @@ set_insstart(linenr_T lnum, int col)
     Insstart_blank_vcol = MAXCOL;
     arrow_used = FALSE;
 }
+#endif
 
 /*
  * Undo the previous edit_putchar().
@@ -3975,6 +3982,9 @@ ins_bs(
     int		in_indent;
     int		oldState;
     int		cpc[MAX_MCO];	    // composing characters
+#if defined(FEAT_LISP) || defined(FEAT_CINDENT)
+    int		call_fix_indent = FALSE;
+#endif
 
     /*
      * can't delete anything in an empty file
@@ -4156,7 +4166,13 @@ ins_bs(
 	    save_col = curwin->w_cursor.col;
 	    beginline(BL_WHITE);
 	    if (curwin->w_cursor.col < save_col)
+	    {
 		mincol = curwin->w_cursor.col;
+#if defined(FEAT_LISP) || defined(FEAT_CINDENT)
+		// should now fix the indent to match with the previous line
+		call_fix_indent = TRUE;
+#endif
+	    }
 	    curwin->w_cursor.col = save_col;
 	}
 
@@ -4328,6 +4344,12 @@ ins_bs(
 #endif
     if (curwin->w_cursor.col <= 1)
 	did_ai = FALSE;
+
+#if defined(FEAT_LISP) || defined(FEAT_CINDENT)
+    if (call_fix_indent)
+	fix_indent();
+#endif
+
     /*
      * It's a little strange to put backspaces into the redo
      * buffer, but it makes auto-indent a lot easier to deal