patch 9.2.0498: potential heap buffer overflow in if_xcmdsrv.c

Problem:  potential heap buffer overflow in if_xcmdsrv.c
          server_parse_message() (Michael Bommarito)
Solution: Add strlen() call (Foxe Chen)

fixes:  #20235
closes: #20236

Signed-off-by: Foxe Chen <chen.foxe@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
     env:
       CC: ${{ matrix.compiler }}
       GCC_VER: 14
-      CLANG_VER: 21
+      CLANG_VER: 22
       TEST: test
       SRCDIR: ./src
       LEAK_CFLAGS: -DEXITFREE

.github/workflows/codeql-analysis.yml

@@ -48,7 +48,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v4.35.3
+      uses: github/codeql-action/init@v4.35.4
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -59,7 +59,7 @@ jobs:
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v4.35.3
+      uses: github/codeql-action/autobuild@v4.35.4
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 https://git.io/JvXDl
@@ -73,4 +73,4 @@ jobs:
     #   make release
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v4.35.3
+      uses: github/codeql-action/analyze@v4.35.4

.github/workflows/label.yml

@@ -17,6 +17,6 @@ jobs:
       pull-requests: write
 
     steps:
-    - uses: actions/labeler@v6.0.1
+    - uses: actions/labeler@v6.1.0
       with:
         repo-token: "${{ secrets.GITHUB_TOKEN }}"

nsis/gvim.nsi

@@ -90,7 +90,7 @@ Unicode true  ; !include defaults to UTF-8 after Unicode True since 3.0 Alpha 2
 # ----------- No configurable settings below this line -----------
 
 ##########################################################
-# Installer Attributes, Including headers, Plugins and etc. 
+# Installer Attributes, Including headers, Plugins and etc.
 
 CRCCheck force
 
@@ -638,21 +638,23 @@ SectionGroupEnd
 	!undef LIBRARY_X64
       ${EndIf}
 
-      # Install DLLs for 32-bit gvimext.dll into the GvimExt32 directory.
-      SetOutPath $0\GvimExt32
-      ClearErrors
-      !insertmacro InstallLib DLL NOTSHARED REBOOT_NOTPROTECTED \
-	  "${GETTEXT}\gettext32\libintl-8.dll" \
-	  "$0\GvimExt32\libintl-8.dll" "$0\GvimExt32"
-      !insertmacro InstallLib DLL NOTSHARED REBOOT_NOTPROTECTED \
-	  "${GETTEXT}\gettext32\libiconv-2.dll" \
-	  "$0\GvimExt32\libiconv-2.dll" "$0\GvimExt32"
-      # Install libgcc_s_sjlj-1.dll only if it is needed.
-      !if ${INCLUDE_LIBGCC}
-	!if /FileExists "${GETTEXT}\gettext32\libgcc_s_sjlj-1.dll"
-	    !insertmacro InstallLib DLL NOTSHARED REBOOT_NOTPROTECTED \
-		"${GETTEXT}\gettext32\libgcc_s_sjlj-1.dll" \
-		"$0\GvimExt32\libgcc_s_sjlj-1.dll" "$0\GvimExt32"
+      !if !${ARM64}
+	# Install DLLs for 32-bit gvimext.dll into the GvimExt32 directory.
+	SetOutPath $0\GvimExt32
+	ClearErrors
+	!insertmacro InstallLib DLL NOTSHARED REBOOT_NOTPROTECTED \
+	    "${GETTEXT}\gettext32\libintl-8.dll" \
+	    "$0\GvimExt32\libintl-8.dll" "$0\GvimExt32"
+	!insertmacro InstallLib DLL NOTSHARED REBOOT_NOTPROTECTED \
+	    "${GETTEXT}\gettext32\libiconv-2.dll" \
+	    "$0\GvimExt32\libiconv-2.dll" "$0\GvimExt32"
+	# Install libgcc_s_sjlj-1.dll only if it is needed.
+	!if ${INCLUDE_LIBGCC}
+	  !if /FileExists "${GETTEXT}\gettext32\libgcc_s_sjlj-1.dll"
+	      !insertmacro InstallLib DLL NOTSHARED REBOOT_NOTPROTECTED \
+		  "${GETTEXT}\gettext32\libgcc_s_sjlj-1.dll" \
+		  "$0\GvimExt32\libgcc_s_sjlj-1.dll" "$0\GvimExt32"
+	  !endif
 	!endif
       !endif
     ${EndIf}

runtime/autoload/dist/ft.vim

@@ -3,7 +3,7 @@ vim9script
 # Vim functions for file type detection
 #
 # Maintainer:		The Vim Project <https://github.com/vim/vim>
-# Last Change:		2026 Apr 23
+# Last Change:		2026 May 16
 # Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 # These functions are moved here from runtime/filetype.vim to make startup
@@ -798,9 +798,14 @@ export def FTnroff(): number
 enddef
 
 export def FTmm()
+  if exists("g:filetype_mm")
+    exe "setf " .. g:filetype_mm
+    return
+  endif
+
   var n = 1
   while n < 20
-    if getline(n) =~ '^\s*\(#\s*\(include\|import\)\>\|@import\>\|/\*\)'
+    if getline(n) =~ '^\s*\(//\|#\s*\(include\|import\)\>\|@import\>\|/\*\)'
       setf objcpp
       return
     endif

runtime/doc/filetype.txt

@@ -1,4 +1,4 @@
-*filetype.txt*	For Vim version 9.2.  Last change: 2026 Apr 13
+*filetype.txt*	For Vim version 9.2.  Last change: 2026 May 16
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -164,6 +164,7 @@ variables can be used to overrule the filetype used for certain extensions:
 	*.int		g:filetype_int
 	*.lsl		g:filetype_lsl
 	*.m		g:filetype_m		|ft-mathematica-syntax|
+	*.mm		g:filetype_mm
 	*.mac		g:filetype_mac
 	*[mM]makefile,*.mk,*.mak,[mM]akefile*
 			g:make_flavor		|ft-make-syntax|

runtime/doc/map.txt

@@ -1,4 +1,4 @@
-*map.txt*	For Vim version 9.2.  Last change: 2026 May 02
+*map.txt*	For Vim version 9.2.  Last change: 2026 May 17
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -1593,7 +1593,10 @@ reported if any are supplied).  However, it is possible to specify that the
 command can take arguments, using the -nargs attribute.  Valid cases are:
 
 	-nargs=0    No arguments are allowed (the default)
-	-nargs=1    Exactly one argument is required, it includes spaces
+	-nargs=1    Exactly one argument is required, it includes spaces;
+		    completion treats white spaces as argument separation
+	-nargs=_    Exactly one argument is required, it includes spaces;
+		    completion treats white spaces as part of the argument
 	-nargs=*    Any number of arguments are allowed (0, 1, or many),
 		    separated by white space
 	-nargs=?    0 or 1 arguments are allowed
@@ -1601,7 +1604,23 @@ command can take arguments, using the -nargs attribute.  Valid cases are:
 
 Arguments are considered to be separated by (unescaped) spaces or tabs in this
 context, except when there is one argument, then the white space is part of
-the argument.
+the argument. The difference between the "-nargs=1" and "-nargs=_": >
+
+	func MyComplete(ArgLead, CmdLine, CursorPos)
+	  return ["one value", "two values", "three values"]
+		\->matchfuzzy(a:ArgLead)
+	endfunc
+	:command -nargs=1 -complete=customlist,MyComplete MyCmd1 echo <q-args>
+	:command -nargs=_ -complete=customlist,MyComplete MyCmd2 echo <q-args>
+
+Completing ":MyCmd1 two va<tab>" will complete with: >
+
+	:MyCmd1 two one value
+
+Completing ":MyCmd2 two va<tab>" will complete with: >
+
+	:MyCmd2 two values
+
 
 Note that arguments are used as text, not as expressions.  Specifically,
 "s:var" will use the script-local variable in the script where the command was

runtime/doc/options.txt

@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 9.2.  Last change: 2026 May 10
+*options.txt*	For Vim version 9.2.  Last change: 2026 May 17
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -4774,7 +4774,8 @@ A jump table for the options with a short description can be found at |Q_op|.
 				     [:PmenuKind,]:PmenuKindSel,
 				     {:PmenuExtra,}:PmenuExtraSel,
 				     x:PmenuSbar,X:PmenuThumb,j:PmenuBorder,
-				     H:PmenuShadow,*:TabLine,
+				     H:PmenuShadow,p:Popup,J:PopupBorder,
+				     Q:PopupTitle,*:TabLine,
 				     #:TabLineSel,_:TabLineFill,!:CursorColumn,
 				     .:CursorLine,o:ColorColumn,q:QuickFixLine,
 				     z:StatusLineTerm,Z:StatusLineTermNC,
@@ -4845,6 +4846,9 @@ A jump table for the options with a short description can be found at |Q_op|.
 	|hl-PmenuMatchSel| <  popup menu matched text in selected line
 	|hl-PmenuBorder|   j  popup menu border characters
 	|hl-PmenuShadow|   H  popup menu shadow
+	|hl-Popup|	 p  popup window body
+	|hl-PopupBorder|   J  popup window border characters
+	|hl-PopupTitle|	 Q  popup window title
 	|hl-PreInsert|	 I  text inserted when "preinsert" is in 'completeopt'
 	|hl-Normal|	 (  Window color (supersedes 'wincolor' option)
 
@@ -9219,6 +9223,22 @@ A jump table for the options with a short description can be found at |Q_op|.
 	file names from the list.  This avoids problems when a future version
 	uses another default.
 
+			*'tagsecure'* *'tsc'* *'notagsecure'* *'notsc'*
+'tagsecure' 'tsc'	boolean	(default on)
+			global
+	When on, Vim refuses to follow tag entries whose file field looks like
+	a URL ("scheme://..."), aborting the jump with error |E1576|.  This
+	prevents tag files from causing Vim to open URLs through |netrw|, which
+	would trigger a network request and expose netrw's URL-handling code to
+	attacker-controlled input or lead to environment exfiltration.
+
+	Tag files might be distributed alongside source code (e.g. via Git
+	repositories) and may therefore be untrustworthy.  Only disable
+	this option if you fully control the tag files Vim will read.
+
+	This option cannot be set from a |modeline| or in the |sandbox|, for
+	security reasons.
+
 				*'tagstack'* *'tgst'* *'notagstack'* *'notgst'*
 'tagstack' 'tgst'	boolean	(default on)
 			global

runtime/doc/pi_zip.txt

@@ -1,4 +1,4 @@
-*pi_zip.txt*	For Vim version 9.2.  Last change: 2026 Apr 05
+*pi_zip.txt*	For Vim version 9.2.  Last change: 2026 May 16
 
 				+====================+
 				| Zip File Interface |
@@ -114,9 +114,9 @@ Copyright: Copyright (C) 2005-2015 Charles E Campbell	 *zip-copyright*
    should be treated as zip files.
 
    Alternatively, one may change *g:zipPlugin_ext* in one's .vimrc.
-   Currently (as of October 2025) it holds: >
+   Currently (as of May 2026) it holds: >
 
-        let g:zipPlugin_ext='*.aar,*.apk,*.celzip,*.crtx,*.docm,*.docx,
+        let g:zipPlugin_ext='*.aar,*.apk,*.cbz,*.celzip,*.crtx,*.docm,*.docx,
        \ *.dotm,*.dotx,*.ear,*.epub,*.gcsx,*.glox,*.gqsx,*.ja,*.jar,*.kmz,
        \ *.odb,*.odc,*.odf,*.odg,*.odi,*.odm,*.odp,*.ods,*.odt,*.otc,*.otf,
        \ *.otg,*.oth,*.oti,*.otp,*.ots,*.ott,*.oxt,*.pkpass,*.potm,*.potx,

runtime/doc/popup.txt

@@ -1,4 +1,4 @@
-*popup.txt*	For Vim version 9.2.  Last change: 2026 May 10
+*popup.txt*	For Vim version 9.2.  Last change: 2026 May 17
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -44,8 +44,11 @@ A popup window can be used for such things as:
 The text in the popup window can be colored with |text-properties|.  It is
 also possible to use syntax highlighting.
 
-The default color used is "Pmenu".  If you prefer something else use the
-"highlight" argument or the 'wincolor' option, e.g.: >
+The default colors are taken from |hl-Popup| (body), |hl-PopupBorder|
+(border) and |hl-PopupTitle| (title), which all link to |hl-Pmenu| by
+default for backward compatibility.  Override them to give general popup
+windows a different look than the popup completion menu, or use the
+"highlight" argument or the 'wincolor' option for a per-popup override: >
 	hi MyPopupColor ctermbg=lightblue guibg=lightblue
 	call setwinvar(winid, '&wincolor', 'MyPopupColor')
 
@@ -760,6 +763,10 @@ The second argument of |popup_create()| is a dictionary with options:
 			border one line of padding is added to put the title
 			on.  You might want to add one or more spaces at the
 			start and end as padding.
+			The title uses |hl-PopupTitle| by default; if
+			"borderhighlight" is set the top border highlight is
+			used instead, and if "highlight"/'wincolor' is set
+			that is used.
 	wrap		TRUE to make the lines wrap (default TRUE).
 	drag		TRUE to allow the popup to be dragged with the mouse
 			by grabbing at the border.  Has no effect if the
@@ -808,6 +815,8 @@ The second argument of |popup_create()| is a dictionary with options:
 			the highlight for the top/right/bottom/left border.
 			Example: ['TopColor', 'RightColor', 'BottomColor,
 			'LeftColor']
+			When not given and "highlight"/'wincolor' is also not
+			set, |hl-PopupBorder| is used.
 	borderchars	List with characters, defining the character to use
 			for the top/right/bottom/left border.  Optionally
 			followed by the character to use for the

runtime/doc/quickref.txt

@@ -1,4 +1,4 @@
-*quickref.txt*	For Vim version 9.2.  Last change: 2026 Apr 21
+*quickref.txt*	For Vim version 9.2.  Last change: 2026 May 17
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -960,6 +960,7 @@ Short explanation of each option:		*option-list*
 'taglength'	  'tl'	    number of significant characters for a tag
 'tagrelative'	  'tr'	    file names in tag file are relative
 'tags'		  'tag'     list of file names used by the tag command
+'tagsecure'	  'tsc'	    do not open remote files using tag commands
 'tagstack'	  'tgst'    push tags onto the tag stack
 'tcldll'		    name of the Tcl dynamic library
 'term'			    name of the terminal

runtime/doc/syntax.txt

@@ -1,4 +1,4 @@
-*syntax.txt*	For Vim version 9.2.  Last change: 2026 May 08
+*syntax.txt*	For Vim version 9.2.  Last change: 2026 May 17
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -6077,6 +6077,18 @@ PmenuShadow	Popup menu: Used for shadow.
 ComplMatchIns	Matched text of the currently inserted completion.
 							*hl-PreInsert*
 PreInsert	Text inserted when "preinsert" is in 'completeopt'.
+							*hl-Popup*
+Popup		Popup window body, used when neither the popup's 'wincolor'
+		nor explicit "highlight" argument is set.  Linked to |hl-Pmenu|
+		by default.
+							*hl-PopupBorder*
+PopupBorder	Popup window border characters, used when "borderhighlight" is
+		not set and the popup's 'wincolor' is also not set.
+		Linked to |hl-Pmenu| by default.
+							*hl-PopupTitle*
+PopupTitle	Popup window title, used when "borderhighlight" is not set and
+		the popup's 'wincolor' is also not set.  Linked to
+		|hl-Pmenu| by default.
 							*hl-PopupSelected*
 PopupSelected	Popup window created with |popup_menu()|.  Linked to
 		|hl-PmenuSel| by default.
@@ -6115,9 +6127,14 @@ SpellRare	Word that is recognized by the spellchecker as one that is
 		hardly ever used. |spell|
 		This will be combined with the highlighting used otherwise.
 							*hl-StatusLine*
-StatusLine	Status line of current window.
+StatusLine	Status line of current window.  The highlight at the status
+		line's edge (StatusLine, or any %#... / %N* in 'statusline')
+		also extends into the adjacent vertical separator cell when
+		the status lines are connected (no 'vert' character drawn).
 							*hl-StatusLineNC*
-StatusLineNC	status lines of not-current windows.
+StatusLineNC	status lines of not-current windows.  Like |hl-StatusLine|,
+		the edge highlight also extends into the adjacent vertical
+		separator cell.
 		Note: If this is equal to "StatusLine", Vim will use "^^^" in
 		the status line of the current window.
 							*hl-StatusLineTerm*

runtime/doc/tags

@@ -785,6 +785,7 @@ $quote	eval.txt	/*$quote*
 'nota'	options.txt	/*'nota'*
 'notagbsearch'	options.txt	/*'notagbsearch'*
 'notagrelative'	options.txt	/*'notagrelative'*
+'notagsecure'	options.txt	/*'notagsecure'*
 'notagstack'	options.txt	/*'notagstack'*
 'notbi'	options.txt	/*'notbi'*
 'notbidi'	options.txt	/*'notbidi'*
@@ -803,6 +804,7 @@ $quote	eval.txt	/*$quote*
 'noto'	options.txt	/*'noto'*
 'notop'	options.txt	/*'notop'*
 'notr'	options.txt	/*'notr'*
+'notsc'	options.txt	/*'notsc'*
 'nottimeout'	options.txt	/*'nottimeout'*
 'nottybuiltin'	options.txt	/*'nottybuiltin'*
 'nottyfast'	options.txt	/*'nottyfast'*
@@ -1229,6 +1231,7 @@ $quote	eval.txt	/*$quote*
 'taglength'	options.txt	/*'taglength'*
 'tagrelative'	options.txt	/*'tagrelative'*
 'tags'	options.txt	/*'tags'*
+'tagsecure'	options.txt	/*'tagsecure'*
 'tagstack'	options.txt	/*'tagstack'*
 'tal'	options.txt	/*'tal'*
 'tb'	options.txt	/*'tb'*
@@ -1279,6 +1282,7 @@ $quote	eval.txt	/*$quote*
 'tr'	options.txt	/*'tr'*
 'trz'	options.txt	/*'trz'*
 'ts'	options.txt	/*'ts'*
+'tsc'	options.txt	/*'tsc'*
 'tsl'	options.txt	/*'tsl'*
 'tsr'	options.txt	/*'tsr'*
 'tsrfu'	options.txt	/*'tsrfu'*
@@ -8464,8 +8468,11 @@ hl-PmenuSbar	syntax.txt	/*hl-PmenuSbar*
 hl-PmenuSel	syntax.txt	/*hl-PmenuSel*
 hl-PmenuShadow	syntax.txt	/*hl-PmenuShadow*
 hl-PmenuThumb	syntax.txt	/*hl-PmenuThumb*
+hl-Popup	syntax.txt	/*hl-Popup*
+hl-PopupBorder	syntax.txt	/*hl-PopupBorder*
 hl-PopupNotification	syntax.txt	/*hl-PopupNotification*
 hl-PopupSelected	syntax.txt	/*hl-PopupSelected*
+hl-PopupTitle	syntax.txt	/*hl-PopupTitle*
 hl-PreInsert	syntax.txt	/*hl-PreInsert*
 hl-Question	syntax.txt	/*hl-Question*
 hl-QuickFixLine	syntax.txt	/*hl-QuickFixLine*

runtime/doc/tagsrch.txt

@@ -1,4 +1,4 @@
-*tagsrch.txt*	For Vim version 9.2.  Last change: 2026 Feb 14
+*tagsrch.txt*	For Vim version 9.2.  Last change: 2026 May 17
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -581,7 +581,8 @@ ctags).
 		doubtful).  It cannot contain a <Tab>.
 								*E1576*
 		Using a remote file via network protocol (e.g. using
-		http://remote/file.txt) is not allowed.
+		http://remote/file.txt) is not allowed unless 'tagsecure'
+		is unset.
 {tagaddress}	The Ex command that positions the cursor on the tag.  It can
 		be any Ex command, although restrictions apply (see
 		|tag-security|).  Posix only allows line numbers and search

runtime/doc/version9.txt

@@ -1,4 +1,4 @@
-*version9.txt*	For Vim version 9.2.  Last change: 2026 May 11
+*version9.txt*	For Vim version 9.2.  Last change: 2026 May 17
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -41880,6 +41880,9 @@ Highlighting: ~
 |hl-PmenuMatchSel|	Popup menu: highlighting of matched text in selected
 			line
 |hl-PmenuShadow|	Popup menu: highlighting of the popup shadow
+|hl-Popup|		Popup window: body, default link |hl-Pmenu|
+|hl-PopupBorder|	Popup window: border characters, default link |hl-Pmenu|
+|hl-PopupTitle|		Popup window: title, default link |hl-Pmenu|
 |hl-PreInsert|		highlighting for completion preinserted text
 |hl-TabPanel|		|tabpanel|: not active tab page label
 |hl-TabPanelFill|	|tabpanel|: filler space
@@ -52629,6 +52632,8 @@ Other ~
 - |C-indenting| detects comments better.
 - The |package-hlyank| can now optionally highlight the last put region as
   well.
+- New argument handling for user commands |:command-nargs| using the "-nars=_"
+  attribute to handle completion of single arguments with spaces as expected.
 
 Platform specific ~
 -----------------
@@ -52683,6 +52688,7 @@ Options: ~
 			configure the height.
 't_BS'			Begin synchronized update.
 't_ES'			End synchronized update.
+'tagsecure'		Do not open remote files using tag commands
 'termresize'		Method for handling terminal resize events.
 'termsync'		Enable support for terminal DEC 2026 sync mode.
 'winhighlight'		Window-local highlight group mappings.
@@ -52690,6 +52696,9 @@ Options: ~
 Highlighting: ~
 
 |hl-VertSplitNC|	Column separator of non-current window.
+|hl-Popup|		Popup window body.
+|hl-PopupBorder|	Popup window border.
+|hl-PopupTitle|		Popup window title.
 
 ==============================================================================
 PATCHES						*patches-9.3* *bug-fixes-9.3*

runtime/ftplugin/cucumber.vim

@@ -2,6 +2,8 @@
 " Language:	Cucumber
 " Maintainer:	Tim Pope <vimNOSPAM@tpope.org>
 " Last Change:	2016 Aug 29
+" 2026 May 26 by Vim Project: prevent Code Injection
+" https://github.com/vim/vim/security/advisories/GHSA-4473-94jm-w5x9
 
 " Only do this when not done yet for this buffer
 if (exists("b:did_ftplugin"))
@@ -96,7 +98,8 @@ function! s:stepmatch(receiver,target)
   catch
   endtry
   if has("ruby") && pattern !~ '\\\@<!#{'
-    ruby VIM.command("return #{if (begin; Kernel.eval('/'+VIM.evaluate('pattern')+'/'); rescue SyntaxError; end) === VIM.evaluate('a:target') then 1 else 0 end}")
+    " Use Regexp.new, so the pattern stays untrusted data and cannot inject Ruby
+    ruby VIM.command("return #{if (begin; Regexp.new(VIM.evaluate('pattern')); rescue RegexpError; end) === VIM.evaluate('a:target') then 1 else 0 end}")
   else
     return 0
   endif

runtime/ftplugin/just.vim

@@ -2,6 +2,7 @@
 " Language:	Justfile
 " Maintainer:	Peter Benjamin <@pbnj>
 " Last Change:	2025 Jan 19
+" 2026 May 17 by Vim Project: add 'suffixesadd' #20197
 " Credits:	The original author, Noah Bogart <https://github.com/NoahTheDuke/vim-just/>
 
 " Only do this when not done yet for this buffer
@@ -13,5 +14,6 @@ let b:did_ftplugin = 1
 setlocal iskeyword+=-
 setlocal comments=n:#
 setlocal commentstring=#\ %s
+setlocal suffixesadd=.just
 
-let b:undo_ftplugin = "setlocal iskeyword< comments< commentstring<"
+let b:undo_ftplugin = "setlocal iskeyword< comments< commentstring< suffixesadd<"

runtime/optwin.vim

@@ -1,7 +1,7 @@
 " These commands create the option window.
 "
 " Maintainer:	The Vim Project <https://github.com/vim/vim>
-" Last Change:	2026 Apr 21
+" Last Change:	2026 May 17
 " Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 " If there already is an option window, jump to that one.
@@ -315,6 +315,8 @@ call append("$", "\t" .. s:global_or_local)
 call <SID>OptionG("tc", &tc)
 call <SID>AddOption("tagrelative", gettext("file names in a tags file are relative to the tags file"))
 call <SID>BinOptionG("tr", &tr)
+call <SID>AddOption("tagsecure", gettext("a :tag command cannot access remote files"))
+call <SID>BinOptionG("tsc", &tsc)
 call <SID>AddOption("tagstack", gettext("a :tag command will use the tagstack"))
 call <SID>BinOptionG("tgst", &tgst)
 call <SID>AddOption("showfulltag", gettext("when completing tags in Insert mode show more info"))

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

@@ -1,7 +1,7 @@
 " Creator:    Charles E Campbell
 " Previous Maintainer: Luca Saccarola <github.e41mv@aleeas.com>
 " Maintainer: This runtime file is looking for a new maintainer.
-" Last Change: 2026 May 14
+" Last Change: 2026 May 17
 " Copyright:  Copyright (C) 2016 Charles E. Campbell {{{1
 "             Permission is hereby granted to use and distribute this code,
 "             with or without modifications, provided that this copyright
@@ -2935,7 +2935,7 @@ function s:NetrwBookHistSave()
         while ( first || cnt != g:netrw_dirhistcnt )
             let lastline= lastline + 1
             if exists("g:netrw_dirhist_{cnt}")
-                call setline(lastline,'let g:netrw_dirhist_'.cnt."='".g:netrw_dirhist_{cnt}."'")
+                call setline(lastline,'let g:netrw_dirhist_'.cnt.'='.string(g:netrw_dirhist_{cnt}))
             endif
             let first   = 0
             let cnt     = ( cnt - 1 ) % g:netrw_dirhistmax

runtime/plugin/tarPlugin.vim

@@ -35,6 +35,7 @@ augroup tar
    au FileWriteCmd tarfile::*/*	call tar#Write(expand("<amatch>"))
   endif
 
+  au BufReadCmd   *.cbt			call tar#Browse(expand("<amatch>"))
   au BufReadCmd   *.lrp			call tar#Browse(expand("<amatch>"))
   au BufReadCmd   *.tar			call tar#Browse(expand("<amatch>"))
   au BufReadCmd   *.tar.bz2		call tar#Browse(expand("<amatch>"))

runtime/plugin/zipPlugin.vim

@@ -6,6 +6,7 @@
 " Last Change:
 " 2025 Apr 02 by Vim Project: add *.whl to list of zip extensions (#17038)
 " 2025 Oct 06 by MultisampledNight: add *.pkpass to list of zip extensions (#18501)
+" 2026 May 16 by Vim Project: add .cbz extension (#20206)
 " License:		Vim License  (see vim's :help license)
 " Copyright:    Copyright (C) 2005-2016 Charles E. Campbell {{{1
 "               Permission is hereby granted to use and distribute this code,
@@ -31,7 +32,7 @@ set cpo&vim
 " ---------------------------------------------------------------------
 " Options: {{{1
 if !exists("g:zipPlugin_ext")
- let g:zipPlugin_ext='*.aar,*.apk,*.celzip,*.crtx,*.docm,*.docx,*.dotm,*.dotx,*.ear,*.epub,*.gcsx,*.glox,*.gqsx,*.ja,*.jar,*.kmz,*.odb,*.odc,*.odf,*.odg,*.odi,*.odm,*.odp,*.ods,*.odt,*.otc,*.otf,*.otg,*.oth,*.oti,*.otp,*.ots,*.ott,*.oxt,*.pkpass,*.potm,*.potx,*.ppam,*.ppsm,*.ppsx,*.pptm,*.pptx,*.sldx,*.thmx,*.vdw,*.war,*.whl,*.wsz,*.xap,*.xlam,*.xlsb,*.xlsm,*.xlsx,*.xltm,*.xltx,*.xpi,*.zip'
+ let g:zipPlugin_ext='*.aar,*.apk,*.cbz,*.celzip,*.crtx,*.docm,*.docx,*.dotm,*.dotx,*.ear,*.epub,*.gcsx,*.glox,*.gqsx,*.ja,*.jar,*.kmz,*.odb,*.odc,*.odf,*.odg,*.odi,*.odm,*.odp,*.ods,*.odt,*.otc,*.otf,*.otg,*.oth,*.oti,*.otp,*.ots,*.ott,*.oxt,*.pkpass,*.potm,*.potx,*.ppam,*.ppsm,*.ppsx,*.pptm,*.pptx,*.sldx,*.thmx,*.vdw,*.war,*.whl,*.wsz,*.xap,*.xlam,*.xlsb,*.xlsm,*.xlsx,*.xltm,*.xltx,*.xpi,*.zip'
 endif
 
 " ---------------------------------------------------------------------

runtime/syntax/django.vim

@@ -4,6 +4,7 @@
 " Last Change:	2021 Nov 29
 " 2026 Feb 12 by Vim Project add partial support #19386
 " 2026 Apr 17 by Vim Project Update to Django 5.2 version #19994
+" 2026 May 17 by Vim Project Update comparison operators #20225
 
 " quit when a syntax file was already loaded
 if exists("b:current_syntax")
@@ -18,8 +19,6 @@ syn match djangoError "%}\|}}\|#}"
 " Django template built-in tags and parameters
 " 'comment' doesn't appear here because it gets special treatment
 syn keyword djangoStatement contained autoescape csrf_token empty
-" FIXME ==, !=, <, >, <=, and >= should be djangoStatements:
-" syn keyword djangoStatement contained == != < > <= >=
 syn keyword djangoStatement contained and as block endblock by cycle debug else elif
 syn keyword djangoStatement contained extends filter endfilter firstof for
 syn keyword djangoStatement contained endfor if endif ifchanged endifchanged
@@ -33,7 +32,9 @@ syn keyword djangoStatement contained get_current_language noop get_available_la
 syn keyword djangoStatement contained get_current_language_bidi get_language_info plural
 syn keyword djangoStatement contained translate blocktranslate endblocktranslate
 syn keyword djangoStatement contained partialdef endpartialdef partial
-syn keyword djangoStatement contained querystring lorem verbatim
+syn keyword djangoStatement contained querystring lorem verbatim localize endlocalize
+syn keyword djangoStatement contained localtime endlocaltime timezone endtimezone
+syn keyword djangoStatement contained get_current_timezone
 
 " Django templete built-in filters
 syn keyword djangoFilter contained add addslashes capfirst center cut date
@@ -49,6 +50,7 @@ syn keyword djangoFilter contained time timesince timeuntil title truncatechars
 syn keyword djangoFilter contained truncatewords truncatewords_html unordered_list upper urlencode
 syn keyword djangoFilter contained urlize urlizetrunc wordcount wordwrap yesno
 syn keyword djangoFilter contained force_escape iriencode json_script truncatechars_html
+syn keyword djangoFilter contained localize unlocalize localtime utc timezone
 
 " Keywords to highlight within comments
 syn keyword djangoTodo contained TODO FIXME XXX
@@ -68,6 +70,9 @@ syn region djangoVarBlock start="{{" end="}}" contains=djangoFilter,djangoArgume
 syn region djangoComment start="{%\s*comment\(\s\+.\{-}\)\?%}" end="{%\s*endcomment\s*%}" contains=djangoTodo
 syn region djangoComBlock start="{#" end="#}" contains=djangoTodo
 
+" Match comparison operators within Django statements.
+syn match djangoOperator "==\|!=\|<=\|>=\|<\|>" contained containedin=djangoTagBlock
+
 " Define the default highlighting.
 " Only when an item doesn't have highlighting yet
 
@@ -82,6 +87,6 @@ hi def link djangoError Error
 hi def link djangoComment Comment
 hi def link djangoComBlock Comment
 hi def link djangoTodo Todo
-
+hi def link djangoOperator Operator
 
 let b:current_syntax = "django"

runtime/syntax/htmldjango.vim

@@ -2,6 +2,7 @@
 " Language:	Django HTML template
 " Maintainer:	Dave Hodder <dmh@dmh.org.uk>
 " Last Change:	2014 Jul 13
+" 2026 May 17 by Vim Project Add highlighting for comparison operators #20232
 
 " quit when a syntax file was already loaded
 if exists("b:current_syntax")
@@ -23,4 +24,8 @@ syn region djangoVarBlock start="{{" end="}}" contains=djangoFilter,djangoArgume
 syn region djangoComment start="{%\s*comment\(\s\+.\{-}\)\?%}" end="{%\s*endcomment\s*%}" contains=djangoTodo containedin=ALLBUT,@djangoBlocks
 syn region djangoComBlock start="{#" end="#}" contains=djangoTodo containedin=ALLBUT,@djangoBlocks
 
+" Use djangoTagBlockNaive to limit the djangoOperator matched characters to avoid spill-over with HTML, JS and CSS.
+syn region djangoTagBlockNaive start="{%" end="%}" contains=djangoTagBlock,djangoVarBlock,djangoComment,djangoComBlock
+syn match djangoOperator "==\|!=\|<=\|>=\|<\|>" contained containedin=CONTAINS,@djangoTagBlockNaive
+
 let b:current_syntax = "htmldjango"

runtime/syntax/sh.vim

@@ -3,29 +3,7 @@
 " Maintainer:		This runtime file is looking for a new maintainer.
 " Previous Maintainers:	Charles E. Campbell
 " 		Lennart Schultz <Lennart.Schultz@ecmwf.int>
-" Last Change:		2024 Mar 04 by Vim Project {{{1
-"		2024 Nov 03 by Aliaksei Budavei <0x000c70 AT gmail DOT com> improved bracket expressions, #15941
-"		2025 Jan 06 add $PS0 to bashSpecialVariables #16394
-"		2025 Jan 18 add bash coproc, remove duplicate syn keywords #16467
-"		2025 Mar 21 update shell capability detection #16939
-"		2025 Apr 03 command substitution opening paren at EOL #17026
-"		2025 Apr 10 improve shell detection #17084
-"		2025 Apr 29 match escaped chars in test operands #17221
-"		2025 May 06 improve single-quote string matching in parameter expansions
-"		2025 May 06 match KornShell compound arrays
-"		2025 May 10 improve wildcard character class lists
-"		2025 May 21 improve supported KornShell features
-"		2025 Jun 16 change how sh_fold_enabled is reset #17557
-"		2025 Jul 18 properly delete :commands #17785
-"		2025 Aug 23 bash: add support for ${ cmd;} and ${|cmd;} #18084
-"		2025 Sep 23 simplify ksh logic, update sh statements #18355
-"		2026 Jan 15 highlight command switches that contain a digit
-"		2026 Feb 11 improve support for KornShell function names and variables
-"		2026 Feb 15 improve comment handling #19414
-"		2026 Mar 23 improve matching of function definitions #19638
-"		2026 Apr 02 improve matching of function definitions #19849
-"		2026 Apr 19 improve detection of special variables #20016
-" }}}
+" Last Change:		2026 May 17 by Vim Project
 " Version:		208
 " Former URL:		http://www.drchip.org/astronaut/vim/index.html#SYNTAX_SH
 " For options and settings, please use:      :help ft-sh-syntax
@@ -280,7 +258,7 @@ syn cluster shDerefList	contains=shDeref,shDerefSimple,shDerefVar,shDerefSpecial
 syn cluster shDerefVarList	contains=shDerefOffset,shDerefOp,shDerefVarArray,shDerefOpError
 syn cluster shEchoList	contains=shArithmetic,shBracketExpr,shCommandSub,shCommandSubBQ,shDerefVarArray,shSubshare,shValsub,shDeref,shDerefSimple,shEscape,shExSingleQuote,shExDoubleQuote,shSingleQuote,shDoubleQuote,shCtrlSeq,shEchoQuote
 syn cluster shExprList1	contains=shBracketExpr,shNumber,shOperator,shExSingleQuote,shExDoubleQuote,shSingleQuote,shDoubleQuote,shExpr,shDblBrace,shDeref,shDerefSimple,shCtrlSeq
-syn cluster shExprList2	contains=@shExprList1,@shCaseList,shTest
+syn cluster shExprList2	contains=@shExprList1,@shCaseList,shTest,shFunctionNameError
 syn cluster shFunctionCmds	contains=shFor,shCaseEsac,shIf,shRepeat,shDblBrace,shDblParen
 if exists("b:is_ksh88") || exists("b:is_mksh")
     " Offer "shFunctionCmds" as is.
@@ -306,7 +284,7 @@ if exists("b:is_kornshell") || exists("b:is_bash")
 endif
 syn cluster shPPSLeftList	contains=shAlias,shArithmetic,shBracketExpr,shCmdParenRegion,shCommandSub,shSubshare,shValsub,shCtrlSeq,shDeref,shDerefSimple,shDoubleQuote,shEcho,shEscape,shExDoubleQuote,shExpr,shExSingleQuote,shHereDoc,shNumber,shOperator,shOption,shPosnParm,shHereString,shRedir,shSingleQuote,shSpecial,shStatement,shSubSh,shTest,shVariable
 syn cluster shPPSRightList	contains=shDeref,shDerefSimple,shEscape,shPosnParm
-syn cluster shSubShList	contains=shBracketExpr,@shCommandSubList,shCommandSubBQ,shSubshare,shValsub,shCaseEsac,shColon,shCommandSub,shComment,shDo,shEcho,shExpr,shFor,shIf,shHereString,shRedir,shSetList,shSource,shStatement,shVariable,shCtrlSeq,shOperator
+syn cluster shSubShList	contains=shBracketExpr,@shCommandSubList,shCommandSubBQ,shSubshare,shValsub,shCaseEsac,shColon,shCommandSub,shComment,shDo,shEcho,shExpr,shFor,shIf,shHereString,shRedir,shSetList,shSource,shStatement,shVariable,shCtrlSeq,shOperator,shFunctionNameError
 syn cluster shTestList	contains=shArithmetic,shBracketExpr,shCommandSub,shCommandSubBQ,shSubshare,shValsub,shCtrlSeq,shDeref,shDerefSimple,shDoubleQuote,shSpecialDQ,shExDoubleQuote,shExpr,shExSingleQuote,shNumber,shOperator,shSingleQuote,shTest,shTestOpr
 syn cluster shNoZSList	contains=shSpecialNoZS
 syn cluster shForList	contains=shTestOpr,shNumber,shDerefSimple,shDeref,shCommandSub,shCommandSubBQ,shSubshare,shValsub,shArithmetic
@@ -665,40 +643,48 @@ endif
 ShFoldFunctions syn region shFunctionExpr	matchgroup=shFunctionExprRegion start="{"	end="}"	contains=@shFunctionList	 contained skipwhite skipnl nextgroup=shQuickComment
 ShFoldFunctions syn region shFunctionSubSh	matchgroup=shFunctionSubShRegion start="("	end=")"	contains=@shFunctionList	 contained skipwhite skipnl nextgroup=shQuickComment
 
+syn match shFunctionParens	"()" contained
+
 if exists("b:is_bash")
     syn keyword shFunctionKey coproc
-    syn match shFunctionCmdOne	"\%#=1^\s*\zs\%(\%(\<\k\+\|[^()<>|&$;\t ]\+\)\+\)\@>\s*()\ze\_s*\%(\%(for\|case\|select\|if\|while\|until\)\>\|\[\[\s\|((\)"	skipwhite skipnl nextgroup=@shFunctionCmds
-    syn match shFunctionCmdTwo	"\%#=1\%(\%(\<\k\+\>\|[^()<>|&$;\t ]\+\)\+\)\@>\ze\s*\%(()\ze\)\=\_s*\%(\<\%(for\|case\|select\|if\|while\|until\)\>\|\[\[\s\|((\)"	contained skipwhite skipnl nextgroup=@shFunctionCmds
-    syn match shFunctionOne	"\%#=1^\s*\zs\%(\%(\<\k\+\|[^()<>|&$;\t ]\+\)\+\)\@>\s*()\ze\_s*{"	skipwhite skipnl nextgroup=shFunctionExpr
-    syn match shFunctionTwo	"\%#=1\%(\%(\<\k\+\|[^()<>|&$;\t ]\+\)\+\)\@>\ze\s*\%(()\ze\)\=\_s*{"	contained skipwhite skipnl nextgroup=shFunctionExpr
-    syn match shFunctionThree	"\%#=1^\s*\zs\%(\%(\<\k\+\|[^()<>|&$;\t ]\+\)\+\)\@>\s*()\ze\_s*((\@!"	skipwhite skipnl nextgroup=shFunctionSubSh
-    syn match shFunctionFour	"\%#=1\%(\%(\<\k\+\|[^()<>|&$;\t ]\+\)\+\)\@>\ze\s*\%(\%(()\ze\)\=\)\@>\_s*((\@!"	contained skipwhite skipnl nextgroup=shFunctionSubSh
+    syn match shFunctionCmdOne	"\%#=1^\s*\zs\%(\%(\<\k\+\|[^()<>|&$;\t ]\+\)\+\)\@>\s*()\ze\_s*\%(\%(for\|case\|select\|if\|while\|until\)\>\|\[\[\s\|((\)"	skipwhite skipnl nextgroup=@shFunctionCmds contains=shFunctionParens
+    syn match shFunctionCmdTwo	"\%#=1\%(\%(\<\k\+\>\|[^()<>|&$;\t ]\+\)\+\)\@>\ze\s*\%(()\ze\)\=\_s*\%(\<\%(for\|case\|select\|if\|while\|until\)\>\|\[\[\s\|((\)"	contained skipwhite skipnl nextgroup=@shFunctionCmds contains=shFunctionParens
+    syn match shFunctionOne	"\%#=1^\s*\zs\%(\%(\<\k\+\|[^()<>|&$;\t ]\+\)\+\)\@>\s*()\ze\_s*{"	skipwhite skipnl nextgroup=shFunctionExpr contains=shFunctionParens
+    syn match shFunctionTwo	"\%#=1\%(\%(\<\k\+\|[^()<>|&$;\t ]\+\)\+\)\@>\ze\s*\%(()\ze\)\=\_s*{"	contained skipwhite skipnl nextgroup=shFunctionExpr contains=shFunctionParens
+    syn match shFunctionThree	"\%#=1^\s*\zs\%(\%(\<\k\+\|[^()<>|&$;\t ]\+\)\+\)\@>\s*()\ze\_s*((\@!"	skipwhite skipnl nextgroup=shFunctionSubSh contains=shFunctionParens
+    syn match shFunctionFour	"\%#=1\%(\%(\<\k\+\|[^()<>|&$;\t ]\+\)\+\)\@>\ze\s*\%(\%(()\ze\)\=\)\@>\_s*((\@!"	contained skipwhite skipnl nextgroup=shFunctionSubSh contains=shFunctionParens
+    " Claim empty array assignments.
+    syn match shArrayEmptyDecl	"\%#=1\ze\%(\<\h\w*=\)\@>()"	transparent nextgroup=shVariable
+
+    if !exists("g:sh_no_error")
+        syn match shFunctionNameError	"\%#=1\%(\%(\<\h\w*\)\@>=\)\%(\%(\w\+\)\@>=\=\)\+()" skipwhite skipnl nextgroup=shExpr,shSubSh
+    endif
 elseif exists("b:is_ksh88")
     " AT&T ksh88
-    syn match shFunctionCmdOne	"^\s*\zs\h\w*\s*()\ze\_s*\%(\%(for\|case\|select\|if\|while\|until\)\>\|\[\[\s\|((\)"	skipwhite skipnl nextgroup=@shFunctionCmds
-    syn match shFunctionOne	"^\s*\zs\h\w*\s*()\ze\_s*{"	skipwhite skipnl nextgroup=shFunctionExpr
+    syn match shFunctionCmdOne	"^\s*\zs\h\w*\s*()\ze\_s*\%(\%(for\|case\|select\|if\|while\|until\)\>\|\[\[\s\|((\)"	skipwhite skipnl nextgroup=@shFunctionCmds contains=shFunctionParens
+    syn match shFunctionOne	"^\s*\zs\h\w*\s*()\ze\_s*{"	skipwhite skipnl nextgroup=shFunctionExpr contains=shFunctionParens
     syn match shFunctionTwo	"\<\h\w*\>\ze\_s*{"	contained skipwhite skipnl nextgroup=shFunctionExpr
-    syn match shFunctionThree	"^\s*\zs\h\w*\s*()\ze\_s*((\@!"	skipwhite skipnl nextgroup=shFunctionSubSh
+    syn match shFunctionThree	"^\s*\zs\h\w*\s*()\ze\_s*((\@!"	skipwhite skipnl nextgroup=shFunctionSubSh contains=shFunctionParens
 elseif exists("b:is_mksh")
     " MirBSD ksh is the wild west of absurd and abstruse function names...
-    syn match shFunctionCmdOne	"^\s*\zs[-A-Za-z_@!+.%,0-9:]*[-A-Za-z_.%,0-9:]\s*()\ze\_s*\%(\%(for\|case\|select\|if\|while\|until\)\>\|\[\[\s\|((\)"	skipwhite skipnl nextgroup=@shFunctionCmds
-    syn match shFunctionOne	"^\s*\zs[-A-Za-z_@!+.%,0-9:]*[-A-Za-z_.%,0-9:]\s*()\ze\_s*{"	skipwhite skipnl nextgroup=shFunctionExpr
-    syn match shFunctionTwo	"\%#=1\%(\%(\<\w\+\|[@!+.%,:-]\+\)*[-A-Za-z_.%,0-9:]\)\@>\ze\s*\%(()\ze\)\=\_s*{"	contained skipwhite skipnl nextgroup=shFunctionExpr
-    syn match shFunctionThree	"^\s*\zs[-A-Za-z_@!+.%,0-9:]*[-A-Za-z_.%,0-9:]\s*()\ze\_s*((\@!"	skipwhite skipnl nextgroup=shFunctionSubSh
+    syn match shFunctionCmdOne	"^\s*\zs[-A-Za-z_@!+.%,0-9:]*[-A-Za-z_.%,0-9:]\s*()\ze\_s*\%(\%(for\|case\|select\|if\|while\|until\)\>\|\[\[\s\|((\)"	skipwhite skipnl nextgroup=@shFunctionCmds contains=shFunctionParens
+    syn match shFunctionOne	"^\s*\zs[-A-Za-z_@!+.%,0-9:]*[-A-Za-z_.%,0-9:]\s*()\ze\_s*{"	skipwhite skipnl nextgroup=shFunctionExpr contains=shFunctionParens
+    syn match shFunctionTwo	"\%#=1\%(\%(\<\w\+\|[@!+.%,:-]\+\)*[-A-Za-z_.%,0-9:]\)\@>\ze\s*\%(()\ze\)\=\_s*{"	contained skipwhite skipnl nextgroup=shFunctionExpr contains=shFunctionParens
+    syn match shFunctionThree	"^\s*\zs[-A-Za-z_@!+.%,0-9:]*[-A-Za-z_.%,0-9:]\s*()\ze\_s*((\@!"	skipwhite skipnl nextgroup=shFunctionSubSh contains=shFunctionParens
 elseif exists("b:is_kornshell")
     " ksh93
-    syn match shFunctionCmdOne	"^\s*\zs[A-Za-z_.][A-Za-z_.0-9]*\s*()\ze\_s*\%(\%(for\|case\|select\|if\|while\|until\)\>\|\[\[\s\|((\)"	skipwhite skipnl nextgroup=@shFunctionCmds
-    syn match shFunctionOne	"^\s*\zs[A-Za-z_.][A-Za-z_.0-9]*\s*()\ze\_s*{"	skipwhite skipnl nextgroup=shFunctionExpr
+    syn match shFunctionCmdOne	"^\s*\zs[A-Za-z_.][A-Za-z_.0-9]*\s*()\ze\_s*\%(\%(for\|case\|select\|if\|while\|until\)\>\|\[\[\s\|((\)"	skipwhite skipnl nextgroup=@shFunctionCmds contains=shFunctionParens
+    syn match shFunctionOne	"^\s*\zs[A-Za-z_.][A-Za-z_.0-9]*\s*()\ze\_s*{"	skipwhite skipnl nextgroup=shFunctionExpr contains=shFunctionParens
     syn match shFunctionTwo	"\%(\<\h\+\|\.\)[A-Za-z_.0-9]*\ze\_s*{"	contained skipwhite skipnl nextgroup=shFunctionExpr
-    syn match shFunctionThree	"^\s*\zs[A-Za-z_.][A-Za-z_.0-9]*\s*()\ze\_s*((\@!"	skipwhite skipnl nextgroup=shFunctionSubSh
+    syn match shFunctionThree	"^\s*\zs[A-Za-z_.][A-Za-z_.0-9]*\s*()\ze\_s*((\@!"	skipwhite skipnl nextgroup=shFunctionSubSh contains=shFunctionParens
     syn match shNamespaceOne	"\<\h\w*\>\ze\_s*{"	contained skipwhite skipnl nextgroup=shFunctionExpr
 else
-    syn match shFunctionCmdOne	"^\s*\zs\h\w*\s*()\ze\_s*\%(for\|case\|if\|while\|until\)\>"	skipwhite skipnl nextgroup=@shFunctionCmds
-    syn match shFunctionCmdTwo	"\<\h\w*\s*()\ze\_s*\%(for\|case\|if\|while\|until\)\>"	contained skipwhite skipnl nextgroup=@shFunctionCmds
-    syn match shFunctionOne	"^\s*\zs\h\w*\s*()\ze\_s*{"	skipwhite skipnl nextgroup=shFunctionExpr
-    syn match shFunctionTwo	"\<\h\w*\>\s*()\ze\_s*{"	contained skipwhite skipnl nextgroup=shFunctionExpr
-    syn match shFunctionThree	"^\s*\zs\h\w*\s*()\ze\_s*("	skipwhite skipnl nextgroup=shFunctionSubSh
-    syn match shFunctionFour	"\<\h\w*\>\s*()\ze\_s*("	contained skipwhite skipnl nextgroup=shFunctionSubSh
+    syn match shFunctionCmdOne	"^\s*\zs\h\w*\s*()\ze\_s*\%(for\|case\|if\|while\|until\)\>"	skipwhite skipnl nextgroup=@shFunctionCmds contains=shFunctionParens
+    syn match shFunctionCmdTwo	"\<\h\w*\s*()\ze\_s*\%(for\|case\|if\|while\|until\)\>"	contained skipwhite skipnl nextgroup=@shFunctionCmds contains=shFunctionParens
+    syn match shFunctionOne	"^\s*\zs\h\w*\s*()\ze\_s*{"	skipwhite skipnl nextgroup=shFunctionExpr contains=shFunctionParens
+    syn match shFunctionTwo	"\<\h\w*\>\s*()\ze\_s*{"	contained skipwhite skipnl nextgroup=shFunctionExpr contains=shFunctionParens
+    syn match shFunctionThree	"^\s*\zs\h\w*\s*()\ze\_s*("	skipwhite skipnl nextgroup=shFunctionSubSh contains=shFunctionParens
+    syn match shFunctionFour	"\<\h\w*\>\s*()\ze\_s*("	contained skipwhite skipnl nextgroup=shFunctionSubSh contains=shFunctionParens
 endif
 
 if !exists("g:sh_no_error")
@@ -967,6 +953,9 @@ if !exists("skip_sh_syntax_inits")
         hi def link shInError		Error
         hi def link shParenError		Error
         hi def link shTestError		Error
+        if exists("b:is_bash")
+            hi def link shFunctionNameError		Error
+        endif
         if exists("b:is_kornshell") || exists("b:is_posix")
             hi def link shDTestError		Error
         endif
@@ -987,6 +976,7 @@ if !exists("skip_sh_syntax_inits")
     hi def link shCtrlSeq		Special
     hi def link shExprRegion		Delimiter
     hi def link shFunctionKey		Keyword
+    hi def link shFunctionParens	Delimiter
     hi def link shFunctionOne		Function
     hi def link shFunctionTwo		shFunctionOne
     hi def link shFunctionThree		shFunctionOne

runtime/syntax/testdir/dumps/sh_06_00.dump

@@ -11,7 +11,7 @@
 |#+0#0000e05&| +0#0000000&@73
 |#+0#0000e05&| |D|i|s|p|l|a|y| |s|o|m|e| |H|e|l|p| +0#0000000&@55
 |#+0#0000e05&| +0#0000000&@73
-|U+0#00e0e07&|s|a|g|e| |(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@64
+|U+0#00e0e07&|s|a|g|e| |(+0#e000e06&|)| +0#0000000&|{+0#e000e06&| +0#0000000&@64
 @75
 |#+0#0000e05&| |d|o|e|s| |t|h|i|s| |c|o|m@1|e|n|t| |w|o|r|k|?| +0#0000000&@49
 |V+0#00e0e07&|a|r|i|a|b|l|e|N|a|m|e|=+0#0000000&|"+0#af5f00255&|$+0#e000e06&|{|B|a|s|i|c|C|o|n|f|i|g|N|a|m|e|}|_+0#e000002&|*|"+0#af5f00255&| +0#0000000&@39

runtime/syntax/testdir/dumps/sh_06_01.dump

@@ -1,4 +1,4 @@
-|U+0#00e0e07#ffffff0|s|a|g|e| |(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@64
+|U+0#00e0e07#ffffff0|s|a|g|e| |(+0#e000e06&|)| +0#0000000&|{+0#e000e06&| +0#0000000&@64
 @75
 |#+0#0000e05&| |d|o|e|s| |t|h|i|s| |c|o|m@1|e|n|t| |w|o|r|k|?| +0#0000000&@49
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runtime/syntax/testdir/dumps/sh_06_03.dump

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runtime/syntax/testdir/dumps/sh_07_00.dump

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runtime/syntax/testdir/dumps/sh_07_01.dump

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runtime/syntax/testdir/dumps/sh_07_02.dump

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runtime/syntax/testdir/dumps/sh_07_03.dump

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runtime/syntax/testdir/dumps/sh_functions_bash_00.dump

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runtime/syntax/testdir/dumps/sh_functions_bash_01.dump

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runtime/syntax/testdir/dumps/sh_functions_bash_02.dump

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runtime/syntax/testdir/dumps/sh_functions_bash_03.dump

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runtime/syntax/testdir/dumps/sh_functions_bash_05.dump

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runtime/syntax/testdir/dumps/sh_functions_dash_00.dump

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runtime/syntax/testdir/dumps/sh_functions_dash_01.dump

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runtime/syntax/testdir/dumps/sh_functions_dash_02.dump

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runtime/syntax/testdir/dumps/sh_functions_ksh2020_00.dump

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runtime/syntax/testdir/dumps/sh_functions_ksh2020_01.dump

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runtime/syntax/testdir/dumps/sh_functions_ksh2020_02.dump

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runtime/syntax/testdir/dumps/sh_functions_ksh88_00.dump

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runtime/syntax/testdir/dumps/sh_functions_ksh88_01.dump

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runtime/syntax/testdir/dumps/sh_functions_ksh88_02.dump

@@ -3,7 +3,7 @@
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runtime/syntax/testdir/dumps/sh_functions_mksh_00.dump

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runtime/syntax/testdir/dumps/sh_functions_mksh_01.dump

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runtime/syntax/testdir/dumps/sh_functions_mksh_02.dump

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runtime/syntax/testdir/dumps/sh_generic_07.dump

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runtime/syntax/testdir/dumps/sh_generic_10.dump

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runtime/syntax/testdir/dumps/sh_generic_11.dump

@@ -1,7 +1,7 @@
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runtime/syntax/testdir/dumps/sh_ksh2020_07.dump

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runtime/syntax/testdir/dumps/sh_ksh2020_10.dump

@@ -1,5 +1,5 @@
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runtime/syntax/testdir/dumps/sh_ksh2020_11.dump

@@ -1,7 +1,7 @@
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runtime/syntax/testdir/dumps/sh_ksh88_07.dump

@@ -3,7 +3,7 @@
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runtime/syntax/testdir/dumps/sh_ksh88_10.dump

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runtime/syntax/testdir/dumps/sh_ksh93_generic_07.dump

@@ -3,7 +3,7 @@
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runtime/syntax/testdir/dumps/sh_ksh93_generic_10.dump

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runtime/syntax/testdir/dumps/sh_ksh93_generic_11.dump

@@ -1,7 +1,7 @@
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runtime/syntax/testdir/dumps/sh_ksh93u_07.dump

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runtime/syntax/testdir/dumps/sh_ksh93u_10.dump

@@ -1,5 +1,5 @@
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runtime/syntax/testdir/dumps/sh_ksh93u_11.dump

@@ -1,7 +1,7 @@
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runtime/syntax/testdir/dumps/sh_ksh93v_07.dump

@@ -3,7 +3,7 @@
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-@8>v+0#00e0e07&|a|l|s|u|b|f|u|n|c|(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@52
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 @8|}+0#e000e06&| +0#0000000&@65
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runtime/syntax/testdir/dumps/sh_ksh93v_10.dump

@@ -1,5 +1,5 @@
 | +0&#ffffff0@74
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 @8|t+0#af5f00255&|r|u|e| +0#0000000&@62
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@@ -15,6 +15,6 @@
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 |}+0#e000e06&| +0#0000000&@73
 @75
-|f+0#00e0e07&|o@1|3|(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@66
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 @57|1|5|4|,|1| @8|7|9|%| 

runtime/syntax/testdir/dumps/sh_ksh93v_11.dump

@@ -1,7 +1,7 @@
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 |}+0#e000e06&| +0#0000000&@73
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 >}+0#e000e06&| +0#0000000&@73
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@@ -9,7 +9,7 @@
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 |)+0#af5f00255&| +0#0000000&@73
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runtime/syntax/testdir/dumps/sh_mksh_07.dump

@@ -3,7 +3,7 @@
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 |#+0#0000e05&| |s|u|p@1|o|r|t|e|d| |b|y| |m|k|s|h|,| |n|o|t| |k|s|h|9|3|.| +0#0000000&@43
 |i+0#af5f00255&|f| |!| +0#0000000&|c+0#af5f00255&|o|m@1|a|n|d| +0#0000000&|e+0#af5f00255&|v|a|l| +0#0000000&|'+0#af5f00255&|(+0#e000002&@1|.|s|h|.|v|e|r|s|i|o|n| |>|=| |2|0@1|7|0|7|0|3|)@1|'+0#af5f00255&| +0#0000000&|2+0#e000002&|>+0#af5f00255&|/+0#0000000&|d|e|v|/|n|u|l@1|;+0#af5f00255&| +0#0000000&|t+0#af5f00255&|h|e|n| +0#0000000&@9
-@8>v+0#00e0e07&|a|l|s|u|b|f|u|n|c|(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@52
+@8>v+0#00e0e07&|a|l|s|u|b|f|u|n|c|(+0#e000e06&|)| +0#0000000&|{+0#e000e06&| +0#0000000&@52
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 @8|}+0#e000e06&| +0#0000000&@65
 @8|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{|||v|a|l|s|u|b|f|u|n|c| |t|e|n|}| +0#0000000&@43

runtime/syntax/testdir/dumps/sh_mksh_10.dump

@@ -1,5 +1,5 @@
 | +0&#ffffff0@74
-|.+0#00e0e07&|s|h|.|t|i|l|d|e|.|g|e|t|(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@57
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 @8|t+0#af5f00255&|r|u|e| +0#0000000&@62
 |}+0#e000e06&| +0#0000000&@73
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@@ -7,7 +7,7 @@
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 @75
@@ -15,6 +15,6 @@
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 @75
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 @57|1|5|4|,|1| @8|7|9|%| 

runtime/syntax/testdir/dumps/sh_mksh_11.dump

@@ -1,7 +1,7 @@
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 >}+0#e000e06&| +0#0000000&@73
 @75
@@ -9,7 +9,7 @@
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 @75
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 @8|:+0#0000e05&| +0#0000000&@1|#+0#0000e05&| |P|O|S|I|X|-|s|t|y|l|e| |s|u|b|s|h|e|l@1| |d|i|s|c|i|p|l|i|n|e| |f|u|n|c|t|i|o|n| +0#0000000&@21
 |)+0#af5f00255&| +0#0000000&@73
 @75

runtime/syntax/testdir/dumps/sh_mksh_gibberish_00.dump

@@ -3,18 +3,18 @@
 @75
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 |m| |m|k|s|h| |a|l@1|o|w|s|)|"+0#af5f00255&| +0#0000000&@59
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 |}+0#e000e06&| +0#0000000&@73
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-|,+0#00e0e07&|(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@69
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+|f+0#af5f00255&|u|n|c|t|i|o|n| +0#0000000&|a+0#00e0e07&|%|a|(+0#e000e06&|)| +0#0000000&|{+0#e000e06&| +0#0000000&@58
 @8|f|o@1| @63
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runtime/syntax/testdir/dumps/sh_mksh_gibberish_01.dump

@@ -1,20 +1,20 @@
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 @8|f|o@1| @63
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+|f+0#af5f00255&|u|n|c|t|i|o|n| +0#0000000&|a+0#00e0e07&|%|a|(+0#e000e06&|)| +0#0000000&|{+0#e000e06&| +0#0000000&@58
 @8>f|o@1| @63
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 @75
-|%+0#00e0e07&|(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@69
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 @8|f|o@1| @63
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 @75
-|.+0#00e0e07&|(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@69
+|.+0#00e0e07&|(+0#e000e06&|)| +0#0000000&|{+0#e000e06&| +0#0000000&@69
 @8|f|o@1| @63
 |}+0#e000e06&| +0#0000000&@73
 @75
-|-+0#00e0e07&|(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@69
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 @8|f|o@1| @63
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 @57|1|8|,|2|-|9| @7|1@1|%| 

runtime/syntax/testdir/dumps/sh_mksh_gibberish_02.dump

@@ -1,20 +1,20 @@
 |}+0#e000e06#ffffff0| +0#0000000&@73
 @75
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 @8|f|o@1| @63
 |}+0#e000e06&| +0#0000000&@73
 > @74
-|++0#00e0e07&|a|(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@68
+|++0#00e0e07&|a|(+0#e000e06&|)| +0#0000000&|{+0#e000e06&| +0#0000000&@68
 @8|f|o@1| @63
 |}+0#e000e06&| +0#0000000&@73
 @75
-|.+0#00e0e07&|b|(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@68
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 @8|f|o@1| @63
 |}+0#e000e06&| +0#0000000&@73
 @75
-|!+0#00e0e07&|a|(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@68
+|!+0#00e0e07&|a|(+0#e000e06&|)| +0#0000000&|{+0#e000e06&| +0#0000000&@68
 @8|f|o@1| @63
 |}+0#e000e06&| +0#0000000&@73
 @75
-|@+0#00e0e07&|a|(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@68
+|@+0#00e0e07&|a|(+0#e000e06&|)| +0#0000000&|{+0#e000e06&| +0#0000000&@68
 @57|3|6|,|0|-|1| @7|2|8|%| 

runtime/syntax/testdir/dumps/sh_mksh_gibberish_03.dump

@@ -1,20 +1,20 @@
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 @8|f|o@1| @63
 |}+0#e000e06&| +0#0000000&@73
 @75
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 @8>f|o@1| @63
 |}+0#e000e06&| +0#0000000&@73
 @75
-|!+0#00e0e07&|a|!|a|(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@66
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 @75
-|@+0#00e0e07&|a|@@1|a|(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@65
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-|++0#00e0e07&|a|+|a|(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@66
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 @8|f|o@1| @63
 |}+0#e000e06&| +0#0000000&@73
 @57|5|4|,|2|-|9| @7|4@1|%| 

runtime/syntax/testdir/dumps/sh_mksh_gibberish_04.dump

@@ -1,6 +1,6 @@
 |}+0#e000e06#ffffff0| +0#0000000&@73
 @75
-|a+0#00e0e07&|:|(|)| +0#0000000&|{+0#e000e06&| +0#0000000&@68
+|a+0#00e0e07&|:|(+0#e000e06&|)| +0#0000000&|{+0#e000e06&| +0#0000000&@68
 @8|f|o@1| @63
 |}+0#e000e06&| +0#0000000&@73
 > @74

runtime/syntax/testdir/input/sh_functions_bash.sh

@@ -47,9 +47,50 @@ if :; then
         }
         @α! "$1"
     )
-    eval !?\# "$1"
+    eval !?\# "\"$1\""
 fi
 
 namespace ()
 { echo $#;
 }; namespace $@
+
+# Whether "=" belongs to a name or delimits a name depends on whether
+# the reserved word "function" is present, if so, then "=" is part of
+# the function name; else, "=" delimits the name of a variable when this
+# name is given in alphanumeric characters and "_"s before the leftmost
+# "="; otherwise, "=" is part of the function name when this name has
+# one or more supported NON-alphanumeric (or "_") characters before "=".
+xs=()
+(
+    echo $(( 1 + ${#xs[*]} ))
+    xs=()
+    {
+        echo $(( 2 + ${#xs[*]} ))
+        xs=()
+        if :; then echo $(( 3 + ${#xs[*]} )); fi
+    }
+)
+
+iδ=() (
+    =id=() {
+        ===()
+        if :; then echo $*; fi; === $*
+    }; =id= $*
+); id= iδ= iδ= iδ=
+
+function f=() (
+    function f=f {
+        function f=f=
+        if :; then echo $*; fi; f\=f\= $*
+    }; f\=f $*
+); f= f\= f= f=
+
+# Parens are not escaped, hence this is invalid variable assignment.
+f=f()
+{
+    f=f=()
+    (
+        f=f=f()
+        if :; then :; fi
+    )
+}

runtime/syntax/vim.vim

@@ -2,7 +2,7 @@
 " Language:	   Vim script
 " Maintainer:	   Hirohito Higashi <h.east.727 ATMARK gmail.com>
 "	   Doug Kearns <dougkearns@gmail.com>
-" Last Change:	   2026 May 10
+" Last Change:	   2026 May 17
 " Former Maintainer: Charles E. Campbell
 
 " DO NOT CHANGE DIRECTLY.
@@ -70,23 +70,23 @@ syn keyword vimOption contained efm errorformat ek esckeys ei eventignore eiw ev
 syn keyword vimOption contained hi history hk hkmap hkp hkmapp hls hlsearch icon iconstring ic ignorecase imaf imactivatefunc imak imactivatekey imc imcmdline imd imdisable imi iminsert ims imsearch imsf imstatusfunc imst imstyle inc include inex includeexpr is incsearch inde indentexpr indk indentkeys inf infercase im insertmode isf isfname isi isident isk iskeyword isp isprint js joinspaces jop jumpoptions key kmp keymap km keymodel kpc keyprotocol kp keywordprg lmap langmap lm langmenu lnr langnoremap lrm langremap ls laststatus lz lazyredraw lhi lhistory lbr linebreak lines lsp linespace lisp lop lispoptions lw lispwords list lcs listchars lpl loadplugins luadll magic mef makeef menc makeencoding mp makeprg mps matchpairs mat matchtime mco maxcombine mfd maxfuncdepth skipwhite nextgroup=vimSetEqual,vimSetMod
 syn keyword vimOption contained mmd maxmapdepth mm maxmem mmp maxmempattern mmt maxmemtot msc maxsearchcount mis menuitems mopt messagesopt msm mkspellmem ml modeline mle modelineexpr mls modelines mlst modelinestrict ma modifiable mod modified more mouse mousef mousefocus mh mousehide mousem mousemodel mousemev mousemoveevent mouses mouseshape mouset mousetime mzq mzquantum mzschemedll mzschemegcdll nf nrformats nu number nuw numberwidth ofu omnifunc odev opendevice opfunc operatorfunc ost osctimeoutlen pp packpath para paragraphs paste pt pastetoggle pex patchexpr pm patchmode pa path perldll pi preserveindent pvh previewheight pvp previewpopup pvw previewwindow pdev printdevice penc printencoding pexpr printexpr pfn printfont pheader printheader pmbcs printmbcharset skipwhite nextgroup=vimSetEqual,vimSetMod
 syn keyword vimOption contained pmbfn printmbfont popt printoptions prompt pb pumborder ph pumheight pmw pummaxwidth pumopt pw pumwidth pythondll pythonhome pythonthreedll pythonthreehome pyx pyxversion qftf quickfixtextfunc qe quoteescape ro readonly rdt redrawtime re regexpengine rnu relativenumber remap rop renderoptions report rs restorescreen ri revins rl rightleft rlc rightleftcmd rubydll ru ruler ruf rulerformat rtp runtimepath scr scroll scb scrollbind scf scrollfocus sj scrolljump so scrolloff sop scrolloffpad sbo scrollopt sect sections secure sel selection slm selectmode ssop sessionoptions sh shell shcf shellcmdflag sp shellpipe shq shellquote srr shellredir ssl shellslash stmp shelltemp st shelltype sxe shellxescape sxq shellxquote sr shiftround sw shiftwidth skipwhite nextgroup=vimSetEqual,vimSetMod
-syn keyword vimOption contained shm shortmess sn shortname sbr showbreak sc showcmd sloc showcmdloc sft showfulltag sm showmatch smd showmode stal showtabline stpl showtabpanel ss sidescroll siso sidescrolloff scl signcolumn scs smartcase si smartindent sta smarttab sms smoothscroll sts softtabstop spell spc spellcapcheck spf spellfile spl spelllang spo spelloptions sps spellsuggest sb splitbelow spk splitkeep spr splitright sol startofline stl statusline stlo statuslineopt su suffixes sua suffixesadd swf swapfile sws swapsync swb switchbuf smc synmaxcol syn syntax tcl tabclose tal tabline tpm tabpagemax tpl tabpanel tplo tabpanelopt ts tabstop tbs tagbsearch tc tagcase tfu tagfunc tl taglength tr tagrelative tag tags tgst tagstack tcldll term tbidi termbidi tenc termencoding skipwhite nextgroup=vimSetEqual,vimSetMod
-syn keyword vimOption contained tgc termguicolors trz termresize tsy termsync twk termwinkey twsl termwinscroll tws termwinsize twt termwintype terse ta textauto tx textmode tw textwidth tsr thesaurus tsrfu thesaurusfunc top tildeop to timeout tm timeoutlen title titlelen titleold titlestring tb toolbar tbis toolbariconsize ttimeout ttm ttimeoutlen tbi ttybuiltin tf ttyfast ttym ttymouse tsl ttyscroll tty ttytype udir undodir udf undofile ul undolevels ur undoreload uc updatecount ut updatetime vsts varsofttabstop vts vartabstop vbs verbose vfile verbosefile vdir viewdir vop viewoptions vi viminfo vif viminfofile ve virtualedit vb visualbell warn wiv weirdinvert ww whichwrap wc wildchar wcm wildcharm wig wildignore wic wildignorecase wmnu wildmenu wim wildmode skipwhite nextgroup=vimSetEqual,vimSetMod
-syn keyword vimOption contained wop wildoptions wak winaltkeys wcr wincolor wi window wfb winfixbuf wfh winfixheight wfw winfixwidth wh winheight whl winhighlight wmh winminheight wmw winminwidth winptydll wiw winwidth wse wlseat wtm wltimeoutlen wrap wm wrapmargin ws wrapscan write wa writeany wb writebackup wd writedelay xtermcodes skipwhite nextgroup=vimSetEqual,vimSetMod
+syn keyword vimOption contained shm shortmess sn shortname sbr showbreak sc showcmd sloc showcmdloc sft showfulltag sm showmatch smd showmode stal showtabline stpl showtabpanel ss sidescroll siso sidescrolloff scl signcolumn scs smartcase si smartindent sta smarttab sms smoothscroll sts softtabstop spell spc spellcapcheck spf spellfile spl spelllang spo spelloptions sps spellsuggest sb splitbelow spk splitkeep spr splitright sol startofline stl statusline stlo statuslineopt su suffixes sua suffixesadd swf swapfile sws swapsync swb switchbuf smc synmaxcol syn syntax tcl tabclose tal tabline tpm tabpagemax tpl tabpanel tplo tabpanelopt ts tabstop tbs tagbsearch tc tagcase tfu tagfunc tl taglength tr tagrelative tag tags tsc tagsecure tgst tagstack tcldll term tbidi termbidi skipwhite nextgroup=vimSetEqual,vimSetMod
+syn keyword vimOption contained tenc termencoding tgc termguicolors trz termresize tsy termsync twk termwinkey twsl termwinscroll tws termwinsize twt termwintype terse ta textauto tx textmode tw textwidth tsr thesaurus tsrfu thesaurusfunc top tildeop to timeout tm timeoutlen title titlelen titleold titlestring tb toolbar tbis toolbariconsize ttimeout ttm ttimeoutlen tbi ttybuiltin tf ttyfast ttym ttymouse tsl ttyscroll tty ttytype udir undodir udf undofile ul undolevels ur undoreload uc updatecount ut updatetime vsts varsofttabstop vts vartabstop vbs verbose vfile verbosefile vdir viewdir vop viewoptions vi viminfo vif viminfofile ve virtualedit vb visualbell warn wiv weirdinvert ww whichwrap wc wildchar wcm wildcharm wig wildignore wic wildignorecase wmnu wildmenu skipwhite nextgroup=vimSetEqual,vimSetMod
+syn keyword vimOption contained wim wildmode wop wildoptions wak winaltkeys wcr wincolor wi window wfb winfixbuf wfh winfixheight wfw winfixwidth wh winheight whl winhighlight wmh winminheight wmw winminwidth winptydll wiw winwidth wse wlseat wtm wltimeoutlen wrap wm wrapmargin ws wrapscan write wa writeany wb writebackup wd writedelay xtermcodes skipwhite nextgroup=vimSetEqual,vimSetMod
 
 " vimOptions: These are the turn-off setting variants {{{2
 " GEN_SYN_VIM: vimOption turn-off, START_STR='syn keyword vimOption contained', END_STR=''
 syn keyword vimOption contained noari noallowrevins noarab noarabic noarshape noarabicshape noacd noautochdir noac noautocomplete noai noautoindent noar noautoread noasd noautoshelldir noaw noautowrite noawa noautowriteall nobk nobackup nobeval noballooneval nobevalterm noballoonevalterm nobin nobinary nobomb nobri nobreakindent nobl nobuflisted nocdh nocdhome nocin nocindent nocp nocompatible nocf noconfirm noci nocopyindent nocsre nocscoperelative nocst nocscopetag nocsverb nocscopeverbose nocrb nocursorbind nocuc nocursorcolumn nocul nocursorline nodeco nodelcombine nodiff nodg nodigraph noed noedcompatible noemo noemoji noeof noendoffile noeol noendofline noea noequalalways noeb noerrorbells noek noesckeys noet noexpandtab noex noexrc nofic nofileignorecase
 syn keyword vimOption contained nofixeol nofixendofline nofen nofoldenable nofs nofsync nogd nogdefault noguipty nohid nohidden nohk nohkmap nohkp nohkmapp nohls nohlsearch noicon noic noignorecase noimc noimcmdline noimd noimdisable nois noincsearch noinf noinfercase noim noinsertmode nojs nojoinspaces nolnr nolangnoremap nolrm nolangremap nolz nolazyredraw nolbr nolinebreak nolisp nolist nolpl noloadplugins nomagic noml nomodeline nomle nomodelineexpr nomlst nomodelinestrict noma nomodifiable nomod nomodified nomore nomousef nomousefocus nomh nomousehide nomousemev nomousemoveevent nonu nonumber noodev noopendevice nopaste nopi nopreserveindent nopvw nopreviewwindow noprompt noro noreadonly nornu norelativenumber noremap nors norestorescreen nori norevins norl norightleft
-syn keyword vimOption contained noru noruler noscb noscrollbind noscf noscrollfocus nosecure nossl noshellslash nostmp noshelltemp nosr noshiftround nosn noshortname nosc noshowcmd nosft noshowfulltag nosm noshowmatch nosmd noshowmode noscs nosmartcase nosi nosmartindent nosta nosmarttab nosms nosmoothscroll nospell nosb nosplitbelow nospr nosplitright nosol nostartofline noswf noswapfile notbs notagbsearch notr notagrelative notgst notagstack notbidi notermbidi notgc notermguicolors notsy notermsync noterse nota notextauto notx notextmode notop notildeop noto notimeout notitle nottimeout notbi nottybuiltin notf nottyfast noudf noundofile novb novisualbell nowarn nowiv noweirdinvert nowic nowildignorecase nowmnu nowildmenu nowfb nowinfixbuf nowfh nowinfixheight
+syn keyword vimOption contained noru noruler noscb noscrollbind noscf noscrollfocus nosecure nossl noshellslash nostmp noshelltemp nosr noshiftround nosn noshortname nosc noshowcmd nosft noshowfulltag nosm noshowmatch nosmd noshowmode noscs nosmartcase nosi nosmartindent nosta nosmarttab nosms nosmoothscroll nospell nosb nosplitbelow nospr nosplitright nosol nostartofline noswf noswapfile notbs notagbsearch notr notagrelative notsc notagsecure notgst notagstack notbidi notermbidi notgc notermguicolors notsy notermsync noterse nota notextauto notx notextmode notop notildeop noto notimeout notitle nottimeout notbi nottybuiltin notf nottyfast noudf noundofile novb novisualbell nowarn nowiv noweirdinvert nowic nowildignorecase nowmnu nowildmenu nowfb nowinfixbuf nowfh nowinfixheight
 syn keyword vimOption contained nowfw nowinfixwidth nowrap nows nowrapscan nowrite nowa nowriteany nowb nowritebackup noxtermcodes
 
 " vimOptions: These are the invertible variants {{{2
 " GEN_SYN_VIM: vimOption invertible, START_STR='syn keyword vimOption contained', END_STR=''
 syn keyword vimOption contained invari invallowrevins invarab invarabic invarshape invarabicshape invacd invautochdir invac invautocomplete invai invautoindent invar invautoread invasd invautoshelldir invaw invautowrite invawa invautowriteall invbk invbackup invbeval invballooneval invbevalterm invballoonevalterm invbin invbinary invbomb invbri invbreakindent invbl invbuflisted invcdh invcdhome invcin invcindent invcp invcompatible invcf invconfirm invci invcopyindent invcsre invcscoperelative invcst invcscopetag invcsverb invcscopeverbose invcrb invcursorbind invcuc invcursorcolumn invcul invcursorline invdeco invdelcombine invdiff invdg invdigraph inved invedcompatible invemo invemoji inveof invendoffile inveol invendofline invea invequalalways inveb inverrorbells
 syn keyword vimOption contained invek invesckeys invet invexpandtab invex invexrc invfic invfileignorecase invfixeol invfixendofline invfen invfoldenable invfs invfsync invgd invgdefault invguipty invhid invhidden invhk invhkmap invhkp invhkmapp invhls invhlsearch invicon invic invignorecase invimc invimcmdline invimd invimdisable invis invincsearch invinf invinfercase invim invinsertmode invjs invjoinspaces invlnr invlangnoremap invlrm invlangremap invlz invlazyredraw invlbr invlinebreak invlisp invlist invlpl invloadplugins invmagic invml invmodeline invmle invmodelineexpr invmlst invmodelinestrict invma invmodifiable invmod invmodified invmore invmousef invmousefocus invmh invmousehide invmousemev invmousemoveevent invnu invnumber invodev invopendevice invpaste
-syn keyword vimOption contained invpi invpreserveindent invpvw invpreviewwindow invprompt invro invreadonly invrnu invrelativenumber invremap invrs invrestorescreen invri invrevins invrl invrightleft invru invruler invscb invscrollbind invscf invscrollfocus invsecure invssl invshellslash invstmp invshelltemp invsr invshiftround invsn invshortname invsc invshowcmd invsft invshowfulltag invsm invshowmatch invsmd invshowmode invscs invsmartcase invsi invsmartindent invsta invsmarttab invsms invsmoothscroll invspell invsb invsplitbelow invspr invsplitright invsol invstartofline invswf invswapfile invtbs invtagbsearch invtr invtagrelative invtgst invtagstack invtbidi invtermbidi invtgc invtermguicolors invtsy invtermsync invterse invta invtextauto invtx invtextmode
-syn keyword vimOption contained invtop invtildeop invto invtimeout invtitle invttimeout invtbi invttybuiltin invtf invttyfast invudf invundofile invvb invvisualbell invwarn invwiv invweirdinvert invwic invwildignorecase invwmnu invwildmenu invwfb invwinfixbuf invwfh invwinfixheight invwfw invwinfixwidth invwrap invws invwrapscan invwrite invwa invwriteany invwb invwritebackup invxtermcodes
+syn keyword vimOption contained invpi invpreserveindent invpvw invpreviewwindow invprompt invro invreadonly invrnu invrelativenumber invremap invrs invrestorescreen invri invrevins invrl invrightleft invru invruler invscb invscrollbind invscf invscrollfocus invsecure invssl invshellslash invstmp invshelltemp invsr invshiftround invsn invshortname invsc invshowcmd invsft invshowfulltag invsm invshowmatch invsmd invshowmode invscs invsmartcase invsi invsmartindent invsta invsmarttab invsms invsmoothscroll invspell invsb invsplitbelow invspr invsplitright invsol invstartofline invswf invswapfile invtbs invtagbsearch invtr invtagrelative invtsc invtagsecure invtgst invtagstack invtbidi invtermbidi invtgc invtermguicolors invtsy invtermsync invterse invta invtextauto
+syn keyword vimOption contained invtx invtextmode invtop invtildeop invto invtimeout invtitle invttimeout invtbi invttybuiltin invtf invttyfast invudf invundofile invvb invvisualbell invwarn invwiv invweirdinvert invwic invwildignorecase invwmnu invwildmenu invwfb invwinfixbuf invwfh invwinfixheight invwfw invwinfixwidth invwrap invws invwrapscan invwrite invwa invwriteany invwb invwritebackup invxtermcodes
 " termcap codes (which can also be set) {{{2
 " GEN_SYN_VIM: vimOption term output code, START_STR='syn keyword vimOption contained', END_STR='skipwhite nextgroup=vimSetEqual,vimSetMod'
 syn keyword vimOption contained t_AB t_AF t_AU t_AL t_al t_bc t_BE t_BD t_cd t_ce t_Ce t_CF t_cl t_cm t_Co t_CS t_Cs t_cs t_CV t_da t_db t_DL t_dl t_ds t_Ds t_EC t_EI t_fs t_fd t_fe t_GP t_IE t_IS t_ke t_ks t_le t_mb t_md t_me t_mr t_ms t_nd t_op t_RF t_RB t_RC t_RI t_Ri t_RK 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_Us t_ut t_vb t_ve t_vi t_VS t_vs t_WP t_WS t_XM t_xn t_xs t_ZH t_ZR t_8f t_8b t_8u t_xo t_BS t_ES skipwhite nextgroup=vimSetEqual,vimSetMod
@@ -109,9 +109,9 @@ syn keyword vimOptionVarName contained efm errorformat ek esckeys ei eventignore
 syn keyword vimOptionVarName contained hi history hk hkmap hkp hkmapp hls hlsearch icon iconstring ic ignorecase imaf imactivatefunc imak imactivatekey imc imcmdline imd imdisable imi iminsert ims imsearch imsf imstatusfunc imst imstyle inc include inex includeexpr is incsearch inde indentexpr indk indentkeys inf infercase im insertmode isf isfname isi isident isk iskeyword isp isprint js joinspaces jop jumpoptions key kmp keymap km keymodel kpc keyprotocol kp keywordprg lmap langmap lm langmenu lnr langnoremap lrm langremap ls laststatus lz lazyredraw lhi lhistory lbr linebreak lines lsp linespace lisp lop lispoptions lw lispwords list lcs listchars lpl loadplugins luadll magic mef makeef menc makeencoding mp makeprg mps matchpairs mat matchtime mco maxcombine
 syn keyword vimOptionVarName contained mfd maxfuncdepth mmd maxmapdepth mm maxmem mmp maxmempattern mmt maxmemtot msc maxsearchcount mis menuitems mopt messagesopt msm mkspellmem ml modeline mle modelineexpr mls modelines mlst modelinestrict ma modifiable mod modified more mouse mousef mousefocus mh mousehide mousem mousemodel mousemev mousemoveevent mouses mouseshape mouset mousetime mzq mzquantum mzschemedll mzschemegcdll nf nrformats nu number nuw numberwidth ofu omnifunc odev opendevice opfunc operatorfunc ost osctimeoutlen pp packpath para paragraphs paste pt pastetoggle pex patchexpr pm patchmode pa path perldll pi preserveindent pvh previewheight pvp previewpopup pvw previewwindow pdev printdevice penc printencoding pexpr printexpr pfn printfont pheader printheader
 syn keyword vimOptionVarName contained pmbcs printmbcharset pmbfn printmbfont popt printoptions prompt pb pumborder ph pumheight pmw pummaxwidth pumopt pw pumwidth pythondll pythonhome pythonthreedll pythonthreehome pyx pyxversion qftf quickfixtextfunc qe quoteescape ro readonly rdt redrawtime re regexpengine rnu relativenumber remap rop renderoptions report rs restorescreen ri revins rl rightleft rlc rightleftcmd rubydll ru ruler ruf rulerformat rtp runtimepath scr scroll scb scrollbind scf scrollfocus sj scrolljump so scrolloff sop scrolloffpad sbo scrollopt sect sections secure sel selection slm selectmode ssop sessionoptions sh shell shcf shellcmdflag sp shellpipe shq shellquote srr shellredir ssl shellslash stmp shelltemp st shelltype sxe shellxescape sxq shellxquote
-syn keyword vimOptionVarName contained sr shiftround sw shiftwidth shm shortmess sn shortname sbr showbreak sc showcmd sloc showcmdloc sft showfulltag sm showmatch smd showmode stal showtabline stpl showtabpanel ss sidescroll siso sidescrolloff scl signcolumn scs smartcase si smartindent sta smarttab sms smoothscroll sts softtabstop spell spc spellcapcheck spf spellfile spl spelllang spo spelloptions sps spellsuggest sb splitbelow spk splitkeep spr splitright sol startofline stl statusline stlo statuslineopt su suffixes sua suffixesadd swf swapfile sws swapsync swb switchbuf smc synmaxcol syn syntax tcl tabclose tal tabline tpm tabpagemax tpl tabpanel tplo tabpanelopt ts tabstop tbs tagbsearch tc tagcase tfu tagfunc tl taglength tr tagrelative tag tags tgst tagstack
-syn keyword vimOptionVarName contained tcldll term tbidi termbidi tenc termencoding tgc termguicolors trz termresize tsy termsync twk termwinkey twsl termwinscroll tws termwinsize twt termwintype terse ta textauto tx textmode tw textwidth tsr thesaurus tsrfu thesaurusfunc top tildeop to timeout tm timeoutlen title titlelen titleold titlestring tb toolbar tbis toolbariconsize ttimeout ttm ttimeoutlen tbi ttybuiltin tf ttyfast ttym ttymouse tsl ttyscroll tty ttytype udir undodir udf undofile ul undolevels ur undoreload uc updatecount ut updatetime vsts varsofttabstop vts vartabstop vbs verbose vfile verbosefile vdir viewdir vop viewoptions vi viminfo vif viminfofile ve virtualedit vb visualbell warn wiv weirdinvert ww whichwrap wc wildchar wcm wildcharm wig wildignore
-syn keyword vimOptionVarName contained wic wildignorecase wmnu wildmenu wim wildmode wop wildoptions wak winaltkeys wcr wincolor wi window wfb winfixbuf wfh winfixheight wfw winfixwidth wh winheight whl winhighlight wmh winminheight wmw winminwidth winptydll wiw winwidth wse wlseat wtm wltimeoutlen wrap wm wrapmargin ws wrapscan write wa writeany wb writebackup wd writedelay xtermcodes
+syn keyword vimOptionVarName contained sr shiftround sw shiftwidth shm shortmess sn shortname sbr showbreak sc showcmd sloc showcmdloc sft showfulltag sm showmatch smd showmode stal showtabline stpl showtabpanel ss sidescroll siso sidescrolloff scl signcolumn scs smartcase si smartindent sta smarttab sms smoothscroll sts softtabstop spell spc spellcapcheck spf spellfile spl spelllang spo spelloptions sps spellsuggest sb splitbelow spk splitkeep spr splitright sol startofline stl statusline stlo statuslineopt su suffixes sua suffixesadd swf swapfile sws swapsync swb switchbuf smc synmaxcol syn syntax tcl tabclose tal tabline tpm tabpagemax tpl tabpanel tplo tabpanelopt ts tabstop tbs tagbsearch tc tagcase tfu tagfunc tl taglength tr tagrelative tag tags tsc tagsecure
+syn keyword vimOptionVarName contained tgst tagstack tcldll term tbidi termbidi tenc termencoding tgc termguicolors trz termresize tsy termsync twk termwinkey twsl termwinscroll tws termwinsize twt termwintype terse ta textauto tx textmode tw textwidth tsr thesaurus tsrfu thesaurusfunc top tildeop to timeout tm timeoutlen title titlelen titleold titlestring tb toolbar tbis toolbariconsize ttimeout ttm ttimeoutlen tbi ttybuiltin tf ttyfast ttym ttymouse tsl ttyscroll tty ttytype udir undodir udf undofile ul undolevels ur undoreload uc updatecount ut updatetime vsts varsofttabstop vts vartabstop vbs verbose vfile verbosefile vdir viewdir vop viewoptions vi viminfo vif viminfofile ve virtualedit vb visualbell warn wiv weirdinvert ww whichwrap wc wildchar wcm wildcharm
+syn keyword vimOptionVarName contained wig wildignore wic wildignorecase wmnu wildmenu wim wildmode wop wildoptions wak winaltkeys wcr wincolor wi window wfb winfixbuf wfh winfixheight wfw winfixwidth wh winheight whl winhighlight wmh winminheight wmw winminwidth winptydll wiw winwidth wse wlseat wtm wltimeoutlen wrap wm wrapmargin ws wrapscan write wa writeany wb writebackup wd writedelay xtermcodes
 " GEN_SYN_VIM: vimOption term output code variable, START_STR='syn keyword vimOptionVarName contained', END_STR=''
 syn keyword vimOptionVarName contained t_AB t_AF t_AU t_AL t_al t_bc t_BE t_BD t_cd t_ce t_Ce t_CF t_cl t_cm t_Co t_CS t_Cs t_cs t_CV t_da t_db t_DL t_dl t_ds t_Ds t_EC t_EI t_fs t_fd t_fe t_GP t_IE t_IS t_ke t_ks t_le t_mb t_md t_me t_mr t_ms t_nd t_op t_RF t_RB t_RC t_RI t_Ri t_RK 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_Us t_ut t_vb t_ve t_vi t_VS t_vs t_WP t_WS t_XM t_xn t_xs t_ZH t_ZR t_8f t_8b t_8u t_xo t_BS t_ES
 syn keyword vimOptionVarName contained	t_F1 t_F2 t_F3 t_F4 t_F5 t_F6 t_F7 t_F8 t_F9 t_k1 t_K1 t_k2 t_k3 t_K3 t_k4 t_K4 t_k5 t_K5 t_k6 t_K6 t_k7 t_K7 t_k8 t_K8 t_k9 t_K9 t_KA t_kb t_kB t_KB t_KC t_kd t_kD t_KD t_KE t_KF 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_ku
@@ -146,8 +146,8 @@ syn keyword vimGroup contained Added Bold BoldItalic Boolean Changed Character C
 
 " Default highlighting groups {{{2
 " GEN_SYN_VIM: vimHLGroup, START_STR='syn keyword vimHLGroup contained', END_STR=''
-syn keyword vimHLGroup contained ErrorMsg IncSearch ModeMsg NonText StatusLine StatusLineNC EndOfBuffer VertSplit VertSplitNC VisualNOS DiffText DiffTextAdd PmenuSbar TabLineSel TabLineFill TabPanel TabPanelSel TabPanelFill Cursor lCursor TitleBar TitleBarNC QuickFixLine CursorLineSign CursorLineFold CurSearch PmenuKind PmenuKindSel PmenuMatch PmenuMatchSel PmenuExtra PmenuExtraSel PmenuBorder PopupSelected MessageWindow PopupNotification PreInsert Normal Directory LineNr CursorLineNr MoreMsg Question Search SpellBad SpellCap SpellRare SpellLocal PmenuThumb PmenuShadow Pmenu PmenuSel SpecialKey Title WarningMsg WildMenu Folded FoldColumn SignColumn Visual DiffAdd DiffChange DiffDelete TabLine CursorColumn CursorLine ColorColumn MatchParen StatusLineTerm StatusLineTermNC
-syn keyword vimHLGroup contained ToolbarLine ToolbarButton TitleBar TitleBarNC Menu Tooltip Scrollbar CursorIM ComplMatchIns LineNrAbove LineNrBelow MsgArea Terminal User1 User2 User3 User4 User5 User6 User7 User8 User9
+syn keyword vimHLGroup contained ErrorMsg IncSearch ModeMsg NonText StatusLine StatusLineNC EndOfBuffer VertSplit VertSplitNC VisualNOS DiffText DiffTextAdd PmenuSbar TabLineSel TabLineFill TabPanel TabPanelSel TabPanelFill Cursor lCursor TitleBar TitleBarNC QuickFixLine CursorLineSign CursorLineFold CurSearch PmenuKind PmenuKindSel PmenuMatch PmenuMatchSel PmenuExtra PmenuExtraSel PmenuBorder PopupSelected Popup PopupBorder PopupTitle MessageWindow PopupNotification PreInsert Normal Directory LineNr CursorLineNr MoreMsg Question Search SpellBad SpellCap SpellRare SpellLocal PmenuThumb PmenuShadow Pmenu PmenuSel SpecialKey Title WarningMsg WildMenu Folded FoldColumn SignColumn Visual DiffAdd DiffChange DiffDelete TabLine CursorColumn CursorLine ColorColumn MatchParen
+syn keyword vimHLGroup contained StatusLineTerm StatusLineTermNC ToolbarLine ToolbarButton TitleBar TitleBarNC Menu Tooltip Scrollbar CursorIM ComplMatchIns LineNrAbove LineNrBelow MsgArea Terminal User1 User2 User3 User4 User5 User6 User7 User8 User9
 syn match vimHLGroup contained "\<Conceal\>"
 syn case match
 

runtime/tools/ccfilter.c

@@ -249,14 +249,15 @@ int main( int argc, char *argv[] )
 
 	    stay = (echogets(Line2, echo) != NULL);
 	    while ( stay && (Line2[0] == '|') )
-	      { for (p=&Line2[2]; (*p) && (isspace((unsigned char)*p)); p++);
-		strcat( Reason, ": " );
-		strcat( Reason, p );
+	      { size_t n;
+		for (p=&Line2[2]; (*p) && (isspace((unsigned char)*p)); p++);
+		n = strlen(Reason);
+		snprintf( Reason + n, LINELENGTH - n, ": %s", p );
 		Line2[0] = 0;
 		stay = (echogets(Line2, echo) != NULL);
 	      }
 	    prefetch = 1;
-	    strcpy( Line, Line2 );
+	    snprintf( Line, LINELENGTH, "%s", Line2 );
 	    break;
 	  case COMPILER_IRIX:
 	    Col       = 1;
@@ -291,8 +292,8 @@ int main( int argc, char *argv[] )
 			prefetch = 0;
 		      }
 		     else
-		      { strcat( Line, "\n" );
-			strcat( Line, Line2 );
+		      { size_t n = strlen(Line);
+			snprintf( Line + n, LINELENGTH - n, "\n%s", Line2 );
 		      }
 		  }
 	      }

src/Make_vms.mms

@@ -2,7 +2,7 @@
 # Makefile for Vim on OpenVMS
 #
 # Maintainer:   Zoltan Arpadffy <zoltan.arpadffy@gmail.com>
-# Last change:  2025-07-04  Steven M. Schweda <sms@antinode.info>
+# Last change:  2026-05-04
 #
 # This script has been tested on VMS 6.2 to 9.2 on VAX, ALPHA, IA64 and X86_64
 # with MMS and MMK
@@ -49,6 +49,10 @@ MODEL = HUGE
 # If you have XPM installed you might want to build Motif version with toolbar
 # XPM = YES
 
+# Large-file support. Unavailable on VAX and very old Alpha.
+# To disable, define NOLARGE.
+# NOLARGE = YES
+
 # Comment out if you want the compiler version with :ver command.
 # NOTE: This part can make some complications if you're using some
 # predefined symbols/flags for your compiler. If does, just leave behind
@@ -108,23 +112,23 @@ ALPHA_X_ALPHA = 1
 IA64_X_IA64 = 1
 VAX_X_VAX = 1
 X86_64_X_X86_64 = 1
-.IFDEF ARCH                         # ARCH
+.IFDEF ARCH                     # ARCH
 ARCH_NAME = $(ARCH)
-.ELSE                               # ARCH
+.ELSE                           # ARCH
 ARCH_NAME = $(MMS$ARCH_NAME)
-.ENDIF                              # ARCH
-.IFDEF $(ARCH_NAME)_X_ALPHA         # $(ARCH_NAME)_X_ALPHA
+.ENDIF                          # ARCH
+.IFDEF $(ARCH_NAME)_X_ALPHA     # $(ARCH_NAME)_X_ALPHA
 __ALPHA__ = 1
-.ENDIF                              # $(ARCH_NAME)_X_ALPHA
-.IFDEF $(ARCH_NAME)_X_IA64          # $(ARCH_NAME)_X_IA64
+.ENDIF                          # $(ARCH_NAME)_X_ALPHA
+.IFDEF $(ARCH_NAME)_X_IA64      # $(ARCH_NAME)_X_IA64
 __IA64__ = 1
-.ENDIF                              # $(ARCH_NAME)_X_IA64
-.IFDEF $(ARCH_NAME)_X_VAX           # $(ARCH_NAME)_X_VAX
+.ENDIF                          # $(ARCH_NAME)_X_IA64
+.IFDEF $(ARCH_NAME)_X_VAX       # $(ARCH_NAME)_X_VAX
 __VAX__ = 1
-.ENDIF                              # $(ARCH_NAME)_X_VAX
-.IFDEF $(ARCH_NAME)_X_X86_64        # $(ARCH_NAME)_X_X86_64
+.ENDIF                          # $(ARCH_NAME)_X_VAX
+.IFDEF $(ARCH_NAME)_X_X86_64    # $(ARCH_NAME)_X_X86_64
 __X86_64__ = 1
-.ENDIF                              # $(ARCH_NAME)_X_X86_64
+.ENDIF                          # $(ARCH_NAME)_X_X86_64
 .ELSE                           # MMS$ARCH_NAME
 .IFDEF __MMK__                      # __MMK__
 .IFDEF ARCH                             # ARCH
@@ -234,8 +238,7 @@ PREFIX  = /prefix=all/name=(upper,short) /repository=[.$(DEST)]
 # This makes Alpha consistent.
 FLOAT   = /float = ieee_float /ieee_mode = denorm_results
 
-# Large-file support.  Unavailable on VAX and very old Alpha.  To
-# disable, define NOLARGE.
+# Large-file support.  Unavailable on VAX and very old Alpha.
 .IFDEF NOLARGE
 .ELSE
 LARGE_DEF = , "_LARGEFILE"
@@ -811,15 +814,14 @@ $(TARGET) : $(OBJ)
 .c.obj :
 # Override /optimize for selected modules on VAX.
 .IFDEF __VAX__                  # __VAX__
-	@ mod = f$parse( "$@", , , "NAME", "SYNTAX_ONLY")
-	@ mod = "+"+ f$edit( mod, "LOWERCASE")+ "+"
-	@ optim_qual = ""
-	@ if (f$locate( mod, "+$(VAX_NOOPTIM_LIST)+") .lt. -
+	-@ mod = f$parse( "$@", , , "NAME", "SYNTAX_ONLY")
+	-@ mod = "+"+ f$edit( mod, "LOWERCASE")+ "+"
+	-@ optim_qual = ""
+	-@ if (f$locate( mod, "+$(VAX_NOOPTIM_LIST)+") .lt. -
          f$length( "+$(VAX_NOOPTIM_LIST)+")) then optim_qual = "/nooptim"
-	@ if (f$locate( mod, "+$(VAX_NOOPTIM_LIST)+") .lt. -
+	-@ if (f$locate( mod, "+$(VAX_NOOPTIM_LIST)+") .lt. -
          f$length( "+$(VAX_NOOPTIM_LIST)+")) then -
-	@ write sys$output -
-          "                *** NOTE: USING SPECIAL /NOOPTIMIZE RULE. ***"
+	 write sys$output "*** NOTE: USING SPECIAL /NOOPTIMIZE RULE. ***"
 	$(CC_DEF) $(ALL_CFLAGS) 'optim_qual' $< /object = $@
 .ELSE                           # __VAX__
 	$(CC_DEF) $(ALL_CFLAGS) $< /object = $@
@@ -1468,8 +1470,8 @@ lua_env :
 [.$(DEST)]gui_gtk_x11.obj : gui_gtk_x11.c vim.h [.$(DEST)]config.h feature.h os_unix.h \
  ascii.h keymap.h termdefs.h macros.h structs.h regexp.h \
  gui.h beval.h option.h ex_cmds.h proto.h \
- errors.h globals.h gui_gtk_f.h [-.runtime]vim32x32_png.h \
- [-.runtime]vim16x16_png.h [-.runtime]vim48x48_png.h version.h
+ errors.h globals.h gui_gtk_f.h [-.runtime]vim32x32.xpm \
+ [-.runtime]vim16x16.xpm [-.runtime]vim48x48.xpm version.h
 [.$(DEST)]gui_x11.obj : gui_x11.c vim.h [.$(DEST)]config.h feature.h os_unix.h \
  ascii.h keymap.h termdefs.h macros.h structs.h regexp.h \
  gui.h beval.h option.h ex_cmds.h proto.h \

src/clipboard.c

@@ -3611,7 +3611,7 @@ clip_provider_paste(char_u *reg, char_u *provider)
 	}
 	*curval++ = NULL;
 
-	if (*reg_type != NUL && (STRLEN(reg_type) <= 0
+	if (*reg_type != NUL && (STRLEN(reg_type) == 0
 		|| get_yank_type(&reg_type, &yank_type, &block_len) == FAIL))
 	{
 	    emsg(e_invalid_argument);

src/drawscreen.c

@@ -69,6 +69,7 @@ static void win_update(win_T *wp);
 #ifdef FEAT_STL_OPT
 static void redraw_custom_statusline(win_T *wp);
 #endif
+static void borrow_stl_vsep_hl(void);
 #if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_CLIPBOARD)
 static int  did_update_one_window;
 #endif
@@ -386,6 +387,8 @@ update_screen(int type_arg)
 		draw_vsep_win(wp, 0);
     }
 
+    borrow_stl_vsep_hl();
+
     // Reset b_mod_set flags.  Going through all windows is probably faster
     // than going through all buffers (there could be many buffers).
     FOR_ALL_WINDOWS(wp)
@@ -630,6 +633,83 @@ win_redr_status(win_T *wp, int ignore_pum UNUSED)
     busy = FALSE;
 }
 
+/*
+ * Borrow status line edge highlight to adjacent vsep cells.
+ *  - When the pair involves curwin: borrow curwin's edge attr so custom
+ *    statusline highlights flow into the vsep cell.
+ *  - When both windows are non-current: borrow the left window's right-edge
+ *    attr only if the status fillchar is a space, so StatusLineNC blends
+ *    over the join without changing visible characters.
+ *  - Cells where the vsep char is drawn (stl_connected == FALSE) are left
+ *    untouched so the VertSplit highlight is preserved.
+ */
+    static void
+borrow_stl_vsep_hl(void)
+{
+    win_T   *left = NULL;
+    win_T   *right = NULL;
+
+    if (!redrawing())
+	return;
+
+    FOR_ALL_WINDOWS(left)
+    {
+	if (left->w_status_height == 0 || left->w_vsep_width == 0)
+	    continue;
+	if (!stl_connected(left))
+	    continue;
+
+	// Find a right neighbour whose status line rows overlap.
+	win_T	*neighbour = NULL;
+	int start = 0;
+	int end = 0;
+
+	FOR_ALL_WINDOWS(right)
+	{
+	    if (right == left || right->w_status_height == 0)
+		continue;
+	    if (right->w_wincol != W_ENDCOL(left) + 1)
+		continue;
+	    int l_stl_row = W_WINROW(left) + left->w_height;
+	    int r_stl_row = W_WINROW(right) + right->w_height;
+
+	    start = l_stl_row > r_stl_row ? l_stl_row : r_stl_row;
+	    end = l_stl_row + left->w_status_height
+				< r_stl_row + right->w_status_height
+		? l_stl_row + left->w_status_height
+		: r_stl_row + right->w_status_height;
+	    if (start < end)
+	    {
+		neighbour = right;
+		break;
+	    }
+	}
+	if (neighbour == NULL)
+	    continue;
+
+	// For non-current pairs only borrow when the status fillchar is a
+	// space; otherwise the visible character would be repainted with a
+	// foreign highlight.
+	int	hl;
+	if (left != curwin && neighbour != curwin
+		&& fillchar_status(&hl, left) != ' ')
+	    continue;
+
+	// Source: prefer curwin's side; otherwise left window's right edge.
+	int dst_col = W_ENDCOL(left);
+	int src_col = (neighbour == curwin)
+				? neighbour->w_wincol : W_ENDCOL(left) - 1;
+
+	for (int r = start; r < end; r++)
+	{
+	    unsigned dst_off = LineOffset[r] + dst_col;
+
+	    ScreenAttrs[dst_off] = ScreenAttrs[LineOffset[r] + src_col];
+	    screen_char(dst_off, r, dst_col);
+	}
+    }
+}
+
 #ifdef FEAT_STL_OPT
 /*
  * Redraw the status line according to 'statusline' and take care of any
@@ -3434,6 +3514,7 @@ redraw_statuslines(void)
 	    if (ret)
 		pop_highlight_overrides();
 	}
+    borrow_stl_vsep_hl();
     if (redraw_tabline)
 	draw_tabline();
 

src/ex_cmds.h

@@ -31,7 +31,8 @@
 #define EX_BANG		0x002	// allow a ! after the command name
 #define EX_EXTRA	0x004	// allow extra args after command name
 #define EX_XFILE	0x008	// expand wildcards in extra part
-#define EX_NOSPC	0x010	// no spaces allowed in the extra part
+#define EX_NOSPC	0x010	// extra part is a single argument (no split on
+				// whitespace)
 #define	EX_DFLALL	0x020	// default file range is 1,$
 #define EX_WHOLEFOLD	0x040	// extend range to include whole fold also
 				// when less than two numbers given
@@ -60,6 +61,7 @@
 #define EX_EXPR_ARG    0x8000000  // argument is an expression
 #define EX_WHOLE      0x10000000  // command name cannot be shortened in Vim9
 #define EX_EXPORT     0x20000000  // command can be used after :export
+#define EX_ARGSPACE   0x40000000  // completion: keep spaces in arg lead
 
 #define EX_FILES (EX_XFILE | EX_EXTRA)	// multiple extra files allowed
 #define EX_FILE1 (EX_FILES | EX_NOSPC)	// 1 file, defaults to current file

src/fuzzy.c

@@ -31,7 +31,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-
+#define USING_FLOAT_STUFF
 #include "vim.h"
 
 #if defined(FEAT_EVAL) || defined(FEAT_PROTO)
@@ -85,6 +85,7 @@ fuzzy_match(
     int		complete = FALSE;
     int		score = 0;
     int		numMatches = 0;
+    int		pat_chars = 0;
     score_t	fzy_score;
 
     *outScore = 0;
@@ -118,6 +119,17 @@ fuzzy_match(
 		complete = TRUE;
 	    *p = NUL;
 	}
+	// match_positions() always writes pat_chars entries,
+	// so bail if they won't fit.
+	pat_chars = MB_CHARLEN(pat);
+	if (pat_chars > maxMatches)
+	    pat_chars = maxMatches;
+	if (numMatches > maxMatches - pat_chars)
+	{
+	    numMatches = 0;
+	    *outScore = FUZZY_SCORE_NONE;
+	    break;
+	}
 
 	score = FUZZY_SCORE_NONE;
 	if (has_match(pat, str))
@@ -143,7 +155,7 @@ fuzzy_match(
 	else
 	    *outScore += score;
 
-	numMatches += MB_CHARLEN(pat);
+	numMatches += pat_chars;
 
 	if (complete || numMatches >= maxMatches)
 	    break;

src/highlight.c

@@ -312,6 +312,9 @@ static char *(highlight_init_both[]) = {
     "default link PmenuExtraSel PmenuSel",
     "default link PmenuBorder Pmenu",
     "default link PopupSelected PmenuSel",
+    "default link Popup Pmenu",
+    "default link PopupBorder Pmenu",
+    "default link PopupTitle Pmenu",
     "default link MessageWindow WarningMsg",
     "default link PopupNotification WarningMsg",
     "default link PreInsert Added",

src/if_xcmdsrv.c

@@ -1333,7 +1333,7 @@ server_parse_message(
 
 			// Initialize the result property.
 			ga_init2(&reply, 1, 100);
-			(void)ga_grow(&reply, 50 + STRLEN(p_enc));
+			(void)ga_grow(&reply, 50 + STRLEN(p_enc) + STRLEN(serial));
 			sprintf(reply.ga_data, "%cr%c-E %s%c-s %s%c-r ",
 						   0, 0, p_enc, 0, serial, 0);
 			reply.ga_len = 14 + STRLEN(p_enc) + STRLEN(serial);

src/option.h

@@ -1030,6 +1030,7 @@ EXTERN unsigned tc_flags;       // flags from 'tagcase'
 EXTERN long	p_tl;		// 'taglength'
 EXTERN int	p_tr;		// 'tagrelative'
 EXTERN char_u	*p_tags;	// 'tags'
+EXTERN int	p_tagsecure;    // 'tagsecure'
 EXTERN int	p_tgst;		// 'tagstack'
 #if defined(DYNAMIC_TCL)
 EXTERN char_u	*p_tcldll;	// 'tcldll'

src/optiondefs.h

@@ -313,7 +313,7 @@ struct vimoption
 # define ISP_LATIN1 (char_u *)"@,161-255"
 #endif
 
-#define HIGHLIGHT_INIT "8:SpecialKey,~:EndOfBuffer,@:NonText,d:Directory,e:ErrorMsg,i:IncSearch,l:Search,y:CurSearch,m:MoreMsg,M:ModeMsg,n:LineNr,a:LineNrAbove,b:LineNrBelow,N:CursorLineNr,G:CursorLineSign,O:CursorLineFold,r:Question,s:StatusLine,S:StatusLineNC,c:VertSplit,|:VertSplitNC,t:Title,v:Visual,V:VisualNOS,w:WarningMsg,W:WildMenu,f:Folded,F:FoldColumn,A:DiffAdd,C:DiffChange,D:DiffDelete,T:DiffText,E:DiffTextAdd,>:SignColumn,-:Conceal,B:SpellBad,P:SpellCap,R:SpellRare,L:SpellLocal,+:Pmenu,=:PmenuSel,k:PmenuMatch,<:PmenuMatchSel,[:PmenuKind,]:PmenuKindSel,{:PmenuExtra,}:PmenuExtraSel,x:PmenuSbar,X:PmenuThumb,j:PmenuBorder,H:PmenuShadow,*:TabLine,#:TabLineSel,_:TabLineFill,!:CursorColumn,.:CursorLine,o:ColorColumn,q:QuickFixLine,z:StatusLineTerm,Z:StatusLineTermNC,g:MsgArea,h:ComplMatchIns,%:TabPanel,^:TabPanelSel,&:TabPanelFill,I:PreInsert"
+#define HIGHLIGHT_INIT "8:SpecialKey,~:EndOfBuffer,@:NonText,d:Directory,e:ErrorMsg,i:IncSearch,l:Search,y:CurSearch,m:MoreMsg,M:ModeMsg,n:LineNr,a:LineNrAbove,b:LineNrBelow,N:CursorLineNr,G:CursorLineSign,O:CursorLineFold,r:Question,s:StatusLine,S:StatusLineNC,c:VertSplit,|:VertSplitNC,t:Title,v:Visual,V:VisualNOS,w:WarningMsg,W:WildMenu,f:Folded,F:FoldColumn,A:DiffAdd,C:DiffChange,D:DiffDelete,T:DiffText,E:DiffTextAdd,>:SignColumn,-:Conceal,B:SpellBad,P:SpellCap,R:SpellRare,L:SpellLocal,+:Pmenu,=:PmenuSel,k:PmenuMatch,<:PmenuMatchSel,[:PmenuKind,]:PmenuKindSel,{:PmenuExtra,}:PmenuExtraSel,x:PmenuSbar,X:PmenuThumb,j:PmenuBorder,H:PmenuShadow,p:Popup,J:PopupBorder,Q:PopupTitle,*:TabLine,#:TabLineSel,_:TabLineFill,!:CursorColumn,.:CursorLine,o:ColorColumn,q:QuickFixLine,z:StatusLineTerm,Z:StatusLineTermNC,g:MsgArea,h:ComplMatchIns,%:TabPanel,^:TabPanelSel,&:TabPanelFill,I:PreInsert"
 
 // Default python version for pyx* commands
 #if defined(FEAT_PYTHON) && defined(FEAT_PYTHON3)
@@ -2638,6 +2638,9 @@ static struct vimoption options[] =
 			    (char_u *)"./tags,tags",
 #endif
 				(char_u *)0L} SCTX_INIT},
+    {"tagsecure",   "tsc",   P_BOOL|P_VI_DEF|P_SECURE,
+			    (char_u *)&p_tagsecure, PV_NONE, NULL, NULL,
+			    {(char_u *)TRUE, (char_u *)TRUE} SCTX_INIT},
     {"tagstack",    "tgst", P_BOOL|P_VI_DEF,
 			    (char_u *)&p_tgst, PV_NONE, NULL, NULL,
 			    {(char_u *)TRUE, (char_u *)0L} SCTX_INIT},

src/os_unix.c

@@ -5950,7 +5950,11 @@ mch_get_cmd_output_direct(
     }
 
     BLOCK_SIGNALS(&curset);
+# ifdef VMS
+    pid = 0; // VMS does not have fork
+# else
     pid = fork();
+# endif
     if (pid == -1)
     {
 	UNBLOCK_SIGNALS(&curset);

src/os_vms.c

@@ -858,7 +858,12 @@ RealWaitForChar(
  * appropriate time conversion function accordingly.
  */
 #if __IEEE_FLOAT
-# define LIB_CVTX_TO_INTERNAL_TIME lib$cvts_to_internal_time // IEEE
+// allow fallback for older Alphas
+# ifdef lib$cvts_to_internal_time
+#  define LIB_CVTX_TO_INTERNAL_TIME lib$cvts_to_internal_time // IEEE
+# else
+#  define LIB_CVTX_TO_INTERNAL_TIME lib$cvtf_to_internal_time
+# endif
 #else
 # define LIB_CVTX_TO_INTERNAL_TIME lib$cvtf_to_internal_time // VAX
 #endif // __IEEE_FLOAT CVTS

src/os_vms_conf.h

@@ -58,9 +58,6 @@
 // Define to `int' if <sys/types.h> doesn't define.
 // #undef uid_t
 
-// Define to `unsigned int' or other type that is 32 bit.
-#define UINT32_T unsigned int
-
 // Define to `int' if <sys/types.h> doesn't define.
 // #undef gid_t
 
@@ -169,7 +166,6 @@
 # define ULONG_LONG_MAX (4294967295U)
 
 #else // ALPHA, IA64, X86_64
-# define HAVE_FSEEKO             /* Use off_t. */
 # define HAVE_GETTIMEOFDAY
 # define HAVE_USLEEP
 # define HAVE_STRCASECMP
@@ -186,7 +182,11 @@
 #  define HAVE_ISNAN
 # endif
 
-# define HAVE_XOS_R_H
+# if defined(X86_64)
+#  define HAVE_FSEEKO
+#  define HAVE_STDINT_H
+#  define HAVE_XOS_R_H
+# endif
 
 #endif /* VAX [else] */
 
@@ -208,7 +208,7 @@
 # define HAVE_LOCALE_H
 # define BROKEN_LOCALE
 # undef  DYNAMIC_ICONV
-# define	HAVE_STRFTIME
+# define HAVE_STRFTIME
 #endif
 
 #if defined(USE_ICONV)
@@ -231,3 +231,10 @@
 # define USE_FONTSET
 # undef  X_LOCALE
 #endif
+
+// Define needed types from stdint - older VMS do not have stdint.h
+#ifndef HAVE_STDINT_H
+   typedef unsigned char  uint8_t;
+   typedef unsigned short uint16_t;
+   typedef unsigned int   uint32_t;
+#endif

src/po/vim.pot

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Vim\n"
 "Report-Msgid-Bugs-To: vim-dev@vim.org\n"
-"POT-Creation-Date: 2026-05-15 16:34+0000\n"
+"POT-Creation-Date: 2026-05-17 19:50+0000\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -9349,6 +9349,9 @@ msgstr ""
 msgid "file names in a tags file are relative to the tags file"
 msgstr ""
 
+msgid "a :tag command cannot access remote files"
+msgstr ""
+
 msgid "a :tag command will use the tagstack"
 msgstr ""
 

src/popupwin.c

@@ -1356,15 +1356,15 @@ popup_get_clipwin(win_T *wp)
 //   clip_*_content : how many *content* rows/cols are clipped at each edge
 //                    (border/padding is consumed first; the rest comes off
 //                    w_height/w_width).  >= 0.
-//   eff_*_extra    : 0 when that edge is clipped (border+padding gone),
-//                    otherwise the original *_extra.
 //   eff_border[],
 //   eff_padding[]  : per-edge border/padding sizes (indexed [top,right,bot,left]
-//                    matching wp->w_popup_border / wp->w_popup_padding).  At a
-//                    clipped edge they collapse to 0; elsewhere they keep the
-//                    original size.  Drawing code can replace
+//                    matching wp->w_popup_border / wp->w_popup_padding).  The
+//                    clip consumes the border first, then the padding, so when
+//                    only the border is clipped the padding still survives.
+//                    Drawing code can replace
 //                    `wp->w_popup_border[N] > 0 && wp->w_popup_*clip == 0`
 //                    with a single `cl.eff_border[N] > 0` test.
+//   eff_*_extra    : eff_border + eff_padding at that edge (visible decoration).
 //   eff_height     : drawn extent = eff_top_extra + visible content + eff_bot_extra.
 //   eff_width      : drawn extent = eff_left_extra + visible content + eff_right_extra
 //                    (does NOT include w_leftcol or scrollbar; see callers).
@@ -1414,21 +1414,95 @@ popup_compute_clip(win_T *wp, popup_clip_T *cl)
     if (cl->clip_right_content < 0)
 	cl->clip_right_content = 0;
 
-    cl->eff_top_extra = wp->w_popup_topoff > 0 ? 0 : cl->top_extra;
-    cl->eff_bot_extra = wp->w_popup_bottomoff > 0 ? 0 : cl->bot_extra;
+    // Border is consumed before padding: when only the border row/column is
+    // clipped, the adjacent padding row/column is still visible.  Horizontal
+    // edges keep the previous all-or-nothing behaviour for now; the drawing
+    // code there still uses original w_popup_border / w_popup_padding offsets.
+    {
+	int clip = wp->w_popup_topoff;
+	int b = wp->w_popup_border[0];
+	int p = wp->w_popup_padding[0];
+	int rem;
+
+	if (clip >= b)
+	{
+	    cl->eff_border[0] = 0;
+	    rem = clip - b;
+	    cl->eff_padding[0] = (rem >= p) ? 0 : p - rem;
+	}
+	else
+	{
+	    cl->eff_border[0] = b;
+	    cl->eff_padding[0] = p;
+	}
+    }
+    {
+	int clip = wp->w_popup_bottomoff;
+	int b = wp->w_popup_border[2];
+	int p = wp->w_popup_padding[2];
+	int rem;
+
+	if (clip >= b)
+	{
+	    cl->eff_border[2] = 0;
+	    rem = clip - b;
+	    cl->eff_padding[2] = (rem >= p) ? 0 : p - rem;
+	}
+	else
+	{
+	    cl->eff_border[2] = b;
+	    cl->eff_padding[2] = p;
+	}
+    }
+    cl->eff_border[1] = wp->w_popup_rightclip > 0 ? 0 : wp->w_popup_border[1];
+    cl->eff_border[3] = wp->w_popup_leftclip > 0 ? 0 : wp->w_popup_border[3];
+    cl->eff_padding[1] = wp->w_popup_rightclip > 0 ? 0 : wp->w_popup_padding[1];
+    cl->eff_padding[3] = wp->w_popup_leftclip > 0 ? 0 : wp->w_popup_padding[3];
+
+    // When a clip on one edge runs past the content rows, the excess must
+    // eat into the OPPOSITE edge's decorations.  Otherwise the surviving
+    // padding/border can land outside the host (e.g. a popup whose body is
+    // wholly below the host still drew its top padding onto the status row).
+    {
+	int excess = wp->w_popup_bottomoff - cl->bot_extra - wp->w_height;
+	if (excess > 0)
+	{
+	    if (excess >= cl->eff_padding[0])
+	    {
+		excess -= cl->eff_padding[0];
+		cl->eff_padding[0] = 0;
+		if (excess >= cl->eff_border[0])
+		    cl->eff_border[0] = 0;
+		else
+		    cl->eff_border[0] -= excess;
+	    }
+	    else
+		cl->eff_padding[0] -= excess;
+	}
+    }
+    {
+	int excess = wp->w_popup_topoff - cl->top_extra - wp->w_height;
+	if (excess > 0)
+	{
+	    if (excess >= cl->eff_padding[2])
+	    {
+		excess -= cl->eff_padding[2];
+		cl->eff_padding[2] = 0;
+		if (excess >= cl->eff_border[2])
+		    cl->eff_border[2] = 0;
+		else
+		    cl->eff_border[2] -= excess;
+	    }
+	    else
+		cl->eff_padding[2] -= excess;
+	}
+    }
+
+    cl->eff_top_extra = cl->eff_border[0] + cl->eff_padding[0];
+    cl->eff_bot_extra = cl->eff_border[2] + cl->eff_padding[2];
     cl->eff_left_extra = wp->w_popup_leftclip > 0 ? 0 : cl->left_extra;
     cl->eff_right_extra = wp->w_popup_rightclip > 0 ? 0 : cl->right_extra;
 
-    cl->eff_border[0] = wp->w_popup_topoff > 0 ? 0 : wp->w_popup_border[0];
-    cl->eff_border[1] = wp->w_popup_rightclip > 0 ? 0 : wp->w_popup_border[1];
-    cl->eff_border[2] = wp->w_popup_bottomoff > 0 ? 0 : wp->w_popup_border[2];
-    cl->eff_border[3] = wp->w_popup_leftclip > 0 ? 0 : wp->w_popup_border[3];
-
-    cl->eff_padding[0] = wp->w_popup_topoff > 0 ? 0 : wp->w_popup_padding[0];
-    cl->eff_padding[1] = wp->w_popup_rightclip > 0 ? 0 : wp->w_popup_padding[1];
-    cl->eff_padding[2] = wp->w_popup_bottomoff > 0 ? 0 : wp->w_popup_padding[2];
-    cl->eff_padding[3] = wp->w_popup_leftclip > 0 ? 0 : wp->w_popup_padding[3];
-
     h = wp->w_height - cl->clip_top_content - cl->clip_bot_content;
     if (h < 0)
 	h = 0;
@@ -2172,10 +2246,14 @@ popup_adjust_position(win_T *wp)
     }
 
     if (adjust_height_for_top_aligned && wp->w_want_scrollbar
+			  && !(wp->w_popup_flags & POPF_CLIPWINDOW)
 			  && wp->w_winrow + wp->w_height + extra_height > Rows)
     {
 	// Bottom of the popup goes below the last line, reduce the height and
-	// add a scrollbar.
+	// add a scrollbar.  For "clipwindow" popups the host-window clip
+	// already truncates the popup to fit inside the host, so we must not
+	// also force a scrollbar here -- that would widen the popup by one
+	// column the moment its decoration crossed the screen edge.
 	wp->w_height = Rows - wp->w_winrow - extra_height;
 #ifdef FEAT_TERMINAL
 	if (wp->w_buffer->b_term == NULL || term_is_finished(wp->w_buffer))
@@ -6175,9 +6253,13 @@ update_popups(void (*win_update)(win_T *wp))
 
 	for (i = 0; i < 4; ++i)
 	{
-	    border_attr[i] = popup_attr;
 	    if (wp->w_border_highlight[i] != NULL)
 		border_attr[i] = syn_name2attr(wp->w_border_highlight[i]);
+	    else if (wp->w_hlfwin_id != 0
+				       || (wp->w_popup_flags & POPF_INFO))
+		border_attr[i] = popup_attr;
+	    else
+		border_attr[i] = HL_ATTR(HLF_POPB);
 
 	    // Apply blend to border attributes for popup with opacitys
 	    if ((wp->w_popup_flags & POPF_OPACITY) && wp->w_popup_blend > 0)
@@ -6194,6 +6276,16 @@ update_popups(void (*win_update)(win_T *wp))
 	title_wincol = wp->w_wincol + 1;
 	if (wp->w_popup_title != NULL)
 	{
+	    int	    title_attr;
+
+	    if (wp->w_popup_border[0] > 0 && wp->w_border_highlight[0] != NULL)
+		title_attr = border_attr[0];
+	    else if (wp->w_hlfwin_id != 0
+				       || (wp->w_popup_flags & POPF_INFO))
+		title_attr = popup_attr;
+	    else
+		title_attr = HL_ATTR(HLF_POPT);
+
 	    title_len = vim_strsize(wp->w_popup_title);
 
 	    // truncate the title if too long
@@ -6207,8 +6299,7 @@ update_popups(void (*win_update)(win_T *wp))
 		    trunc_string(wp->w_popup_title, title_text,
 					  total_width - 2, title_byte_len + 1);
 		    screen_puts(title_text, wp->w_winrow, title_wincol,
-				  wp->w_popup_border[0] > 0
-						? border_attr[0] : popup_attr);
+								   title_attr);
 		    vim_free(title_text);
 		}
 
@@ -6216,7 +6307,7 @@ update_popups(void (*win_update)(win_T *wp))
 	    }
 	    else
 		screen_puts(wp->w_popup_title, wp->w_winrow, title_wincol,
-		      wp->w_popup_border[0] > 0 ? border_attr[0] : popup_attr);
+								   title_attr);
 	}
 
 	wincol = wp->w_wincol - wp->w_popup_leftoff + wp->w_popup_leftclip;
@@ -6267,7 +6358,7 @@ update_popups(void (*win_update)(win_T *wp))
 	}
 	if (top_padding > 0)
 	{
-	    row = wp->w_winrow + wp->w_popup_border[0];
+	    row = wp->w_winrow + cl.eff_border[0];
 	    if (title_len > 0 && row == wp->w_winrow)
 	    {
 		// top padding and no border; do not draw over the title
@@ -6432,14 +6523,20 @@ update_popups(void (*win_update)(win_T *wp))
 
 	if (cl.eff_padding[2] > 0)
 	{
-	    // bottom padding
-	    row = wp->w_winrow + wp->w_popup_border[0]
-				       + wp->w_popup_padding[0] + wp->w_height;
+	    // bottom padding -- sits right after the visible content rows.
+	    // Derive the row from total_height so it always lands inside the
+	    // popup's drawn extent, including the corner case where the top
+	    // clip consumes more rows than the content itself (so the visible
+	    // content height is zero).  A formula based on
+	    // w_height - clip_top_content - clip_bot_content can go negative
+	    // there and would draw the padding above w_winrow.
+	    row = wp->w_winrow + total_height
+		    - cl.eff_padding[2] - cl.eff_border[2];
 	    if (screen_opacity_popup != NULL && saved_screen.lines != NULL)
-		fill_opacity_padding(row, row + wp->w_popup_padding[2],
+		fill_opacity_padding(row, row + cl.eff_padding[2],
 			padcol, padendcol, &saved_screen);
 	    else
-		screen_fill(row, row + wp->w_popup_padding[2],
+		screen_fill(row, row + cl.eff_padding[2],
 					   padcol, padendcol, ' ', ' ', popup_attr);
 	}
 

src/screen.c

@@ -134,7 +134,7 @@ get_win_attr(win_T *wp)
 	if (wp->w_popup_flags & POPF_INFO)
 	    win_attr = HL_ATTR(HLF_PSI);    // PmenuSel
 	else
-	    win_attr = HL_ATTR(HLF_PNI);    // Pmenu
+	    win_attr = HL_ATTR(HLF_POP);    // Popup
     }
 #endif
 

src/tag.c

@@ -4135,10 +4135,10 @@ expand_tag_fname(char_u *fname, char_u *tag_fname, int expand)
     char_u	*expanded_fname = NULL;
     expand_T	xpc;
 
-    // Refuse to follow URLs from tag files.  Tag entries are expected
-    // to reference local source files; a URL would otherwise be passed
-    // to netrw and trigger a network request.
-    if (path_with_url(fname))
+    // Refuse to follow URLs from tag files unless 'tagsecure' is false.
+    // Tag entries are expected to reference local source files; a URL would
+    // otherwise be passed to netrw and trigger a network request.
+    if (p_tagsecure && path_with_url(fname))
     {
        emsg(_(e_tag_file_entry_must_not_be_url));
        return NULL;

src/testdir/dumps/Test_VertSplitNC_2.dump

@@ -8,5 +8,5 @@
 |V|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @8||+0#40ff4011&|V+0#0000000&|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @7||+0#40ff4011&|V+0#0000000&|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @7
 |V|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @8||+0#40ff4011&|V+0#0000000&|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @7||+0#40ff4011&|V+0#0000000&|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @7
 |V|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @8||+0#40ff4011&|V+0#0000000&|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @7||+0#40ff4011&|V+0#0000000&|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @7
-|<+0#0000001#a8a8a8255|o| |N|a|m|e|]| |[|+|]| |1|,|1| @5|T|o|p| |<+0#ffffff16#0000e05| |N|a|m|e|]| |[|+|]| |1|,|1| @5|T|o|p| |<+0#0000001#a8a8a8255| |N|a|m|e|]| |[|+|]| |1|,|1| @5|T|o|p
+|<+0#0000001#a8a8a8255|o| |N|a|m|e|]| |[|+|]| |1|,|1| @5|T|o|p| +0#ffffff16#0000e05|<| |N|a|m|e|]| |[|+|]| |1|,|1| @5|T|o|p| |<+0#0000001#a8a8a8255| |N|a|m|e|]| |[|+|]| |1|,|1| @5|T|o|p
 | +0#0000000#ffffff0@74

src/testdir/dumps/Test_VertSplitNC_3.dump

@@ -8,5 +8,5 @@
 |V|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @8||+0#6c6c6c255&|V+0#0000000&|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @7||+0#40ff4011&|V+0#0000000&|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @7
 |V|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @8||+0#6c6c6c255&|V+0#0000000&|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @7||+0#40ff4011&|V+0#0000000&|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @7
 |V|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @8||+0#6c6c6c255&|V+0#0000000&|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @7||+0#40ff4011&|V+0#0000000&|e|r|t|S|p|l|i|t|N|C| |t|e|s|t| @7
-|<+0#0000001#a8a8a8255|o| |N|a|m|e|]| |[|+|]| |1|,|1| @5|T|o|p| |<| |N|a|m|e|]| |[|+|]| |1|,|1| @5|T|o|p| |<+0#ffffff16#0000e05| |N|a|m|e|]| |[|+|]| |1|,|1| @5|T|o|p
+|<+0#0000001#a8a8a8255|o| |N|a|m|e|]| |[|+|]| |1|,|1| @5|T|o|p| |<| |N|a|m|e|]| |[|+|]| |1|,|1| @5|T|o|p| +0#ffffff16#0000e05|<| |N|a|m|e|]| |[|+|]| |1|,|1| @5|T|o|p
 | +0#0000000#ffffff0@74

src/testdir/dumps/Test_VertSplitNC_whl2.dump

@@ -8,5 +8,5 @@
 |~| @35||+1#0000000&|~+0#4040ff13&| @35
 |~| @35||+1#0000000&|~+0#4040ff13&| @35
 |~| @35||+1#0000000&|~+0#4040ff13&| @35
-|[+1#0000000&|N|o| |N|a|m|e|]| @9|0|,|0|-|1| @9|A|l@1| |[+3&&|N|o| |N|a|m|e|]| @9|0|,|0|-|1| @9|A|l@1
+|[+1#0000000&|N|o| |N|a|m|e|]| @9|0|,|0|-|1| @9|A|l@1| +3&&|[|N|o| |N|a|m|e|]| @9|0|,|0|-|1| @9|A|l@1
 | +0&&@74

src/testdir/dumps/Test_VertSplitNC_winbar_1.dump

@@ -8,5 +8,5 @@
 |w|i|n|b|a|r| |t|e|s|t| @25||+0#40ff4011&|w+0#0000000&|i|n|b|a|r| |t|e|s|t| @25
 |w|i|n|b|a|r| |t|e|s|t| @25||+0#40ff4011&|w+0#0000000&|i|n|b|a|r| |t|e|s|t| @25
 |w|i|n|b|a|r| |t|e|s|t| @25||+0#40ff4011&|w+0#0000000&|i|n|b|a|r| |t|e|s|t| @25
-|[+0#0000001#a8a8a8255|N|o| |N|a|m|e|]| |[|+|]| @5|1|,|1| @11|T|o|p| |[+0#ffffff16#0000e05|N|o| |N|a|m|e|]| |[|+|]| @5|1|,|1| @11|T|o|p
+|[+0#0000001#a8a8a8255|N|o| |N|a|m|e|]| |[|+|]| @5|1|,|1| @11|T|o|p| +0#ffffff16#0000e05|[|N|o| |N|a|m|e|]| |[|+|]| @5|1|,|1| @11|T|o|p
 | +0#0000000#ffffff0@74

src/testdir/dumps/Test_diff_anchors_07.dump

@@ -16,5 +16,5 @@
 | +0#0000e05#a8a8a8255@1|-+0#4040ff13#afffff255@22||+1#0000000#ffffff0| +0#0000e05#a8a8a8255@1|2+0#0000000#5fd7ff255| @20||+1&#ffffff0| +0#0000e05#a8a8a8255@1|-+0#4040ff13#afffff255@21
 | +0#0000e05#a8a8a8255@1|-+0#4040ff13#afffff255@22||+1#0000000#ffffff0| +0#0000e05#a8a8a8255@1|3+0#0000000#5fd7ff255| @20||+1&#ffffff0| +0#0000e05#a8a8a8255@1|-+0#4040ff13#afffff255@21
 |~+0&#ffffff0| @23||+1#0000000&|~+0#4040ff13&| @22||+1#0000000&|~+0#4040ff13&| @22
-|X+1#0000000&|d|i|f|i|l|e|1| @4|1|,|1| @5|A|l@1| |X|d|i|f|i|l|e|2| @3|1|,|1| @5|A|l@1| |X+3&&|d|i|f|i|l|e|3| @3|1|,|1| @5|A|l@1
+|X+1#0000000&|d|i|f|i|l|e|1| @4|1|,|1| @5|A|l@1| |X|d|i|f|i|l|e|2| @3|1|,|1| @5|A|l@1| +3&&|X|d|i|f|i|l|e|3| @3|1|,|1| @5|A|l@1
 |:+0&&> @73

src/testdir/dumps/Test_diff_anchors_scrollbind_topline_01.dump

@@ -16,5 +16,5 @@
 |~| @35||+1#0000000&|~+0#4040ff13&| @35
 |~| @35||+1#0000000&|~+0#4040ff13&| @35
 |~| @35||+1#0000000&|~+0#4040ff13&| @35
-|X+1#0000000&|d|i|f|i|l|e|1| @10|1|,|1| @11|A|l@1| |X+3&&|d|i|f|i|l|e|2| @10|1|,|1| @11|A|l@1
+|X+1#0000000&|d|i|f|i|l|e|1| @10|1|,|1| @11|A|l@1| +3&&|X|d|i|f|i|l|e|2| @10|1|,|1| @11|A|l@1
 |:+0&&> @73

src/testdir/dumps/Test_diff_anchors_scrollbind_topline_02.dump

@@ -16,5 +16,5 @@
 |~| @35||+1#0000000&|~+0#4040ff13&| @35
 |~| @35||+1#0000000&|~+0#4040ff13&| @35
 |~| @35||+1#0000000&|~+0#4040ff13&| @35
-|X+1#0000000&|d|i|f|i|l|e|1| @10|3|,|1| @11|B|o|t| |X+3&&|d|i|f|i|l|e|2| @10|3|,|1| @11|B|o|t
+|X+1#0000000&|d|i|f|i|l|e|1| @10|3|,|1| @11|B|o|t| +3&&|X|d|i|f|i|l|e|2| @10|3|,|1| @11|B|o|t
 | +0&&@74