patch 9.2.0401: tests: still a few flaky tests

Problem:  tests: still a few flaky tests
Solution: Add WaitForAssert to test_messages.vim, use a smaller terminal
          window for test_tabpanel, add TermWait() in test_messages
          to handle DECQRM messages.

closes: #20074

Signed-off-by: Christian Brabandt <cb@256bit.org>

.github/MAINTAINERS

@@ -133,6 +133,7 @@ runtime/doc/xxd-ru.1					@RestorerZ
 runtime/doc/xxd-ru.UTF-8.1				@RestorerZ
 runtime/ftplugin/abaqus.vim				@costerwi
 runtime/ftplugin/abnf.vim				@A4-Tacks
+runtime/ftplugin/algol68.vim				@dkearns
 runtime/ftplugin/antlr4.vim				@jiangyinzuo
 runtime/ftplugin/apache.vim				@dubgeiser
 runtime/ftplugin/arduino.vim				@k-takata
@@ -472,6 +473,7 @@ runtime/syntax/shared/hgcommitDiff.vim			@vegerot
 runtime/syntax/abaqus.vim				@costerwi
 runtime/syntax/abnf.vim					@A4-Tacks
 runtime/syntax/aidl.vim					@dpelle
+runtime/syntax/algol68.vim				@dkearns
 runtime/syntax/amiga.vim				@sodero
 runtime/syntax/ant.vim					@dkearns
 runtime/syntax/antlr4.vim				@jiangyinzuo

.github/workflows/ci.yml

@@ -435,7 +435,7 @@ jobs:
           echo "SODIUM_DIR=${SODIUM_DIR}" >> $GITHUB_ENV
           echo "GETTEXT_PATH=D:\gettext${{ matrix.arch == 'x64' && '64' || '32' }}" >> $GITHUB_ENV
 
-      - uses: msys2/setup-msys2@v2.31.0
+      - uses: msys2/setup-msys2@v2.31.1
         if: matrix.toolchain == 'mingw'
         with:
           update: true
@@ -459,7 +459,7 @@ jobs:
           echo %GETTEXT64_URL%>> urls.txt
 
       - name: Cache downloaded files
-        uses: actions/cache@v5.0.4
+        uses: actions/cache@v5.0.5
         with:
           path: downloads
           key: ${{ runner.os }}-${{ matrix.arch }}-${{ hashFiles('urls.txt') }}

.github/workflows/codeql-analysis.yml

@@ -48,7 +48,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v4.35.1
+      uses: github/codeql-action/init@v4.35.2
       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@v4.35.1
+      uses: github/codeql-action/autobuild@v4.35.2
 
     # 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@v4.35.1
+      uses: github/codeql-action/analyze@v4.35.2

AGENTS.md

@@ -0,0 +1,325 @@
+# AGENTS.md
+
+Guidance for AI coding agents working in the Vim repository.
+
+## Project
+
+Vim is a text editor written in C. The canonical repository is
+https://github.com/vim/vim. The code is old and has grown organically over
+the past 30+ years. Some files are vendored from upstream projects
+(`src/xdiff`, `src/libvterm`); parts of the runtime are occasionally shared
+with forks like Neovim.
+
+Vim strives to be portable across several different operating systems and
+aims to be a stable, robust editor gradually developing new features while
+remaining backwards compatible as much as possible.
+
+At the same time, Vim can be compiled with different feature sets, from the
+POSIX compatible minimal vi to a full-fledged GUI editor which includes
+additional scripting interfaces.
+
+See `runtime/doc/develop.txt` for the high level design goals.
+
+## Build and test
+
+    # Full build on Unix/Linux (from src/):
+    make
+
+    # Run the full test suite:
+    make test
+
+    # Generate proto files
+    make proto
+
+    # Run a single test file:
+    cd src/testdir && make test_name.res
+
+Output is in testdir/messages and testdir/test.log
+
+Builds on Windows depend on the Environment, see `src/INSTALLpc.txt`
+for Cygwin/MSYS and MSVC ways to build Vim
+
+Before submitting any patch, at minimum:
+1. The build succeeds without new warnings.
+2. Relevant tests pass.
+3. The code matches the style of the file being edited.
+
+## Layout
+
+- `src/` - the C source. Subsystem names are usually obvious from filenames
+  (`buffer.c`, `window.c`, `search.c`, `vim9compile.c`, etc.).
+- `src/proto/` - function prototypes, one `.pro` file per source file.
+  Regenerated; do not hand-edit unless you know what you're doing.
+- `src/po` - Translations
+- `src/xxd` - for the xxd subproject
+- `src/xdiff` - for the xdiff library (imported from git)
+- `src/libvterm` - for the libvterm library
+- `src/testdir/` - tests. Vim-script files named `test_*.vim`.
+  Screendump expected output lives in `src/testdir/dumps/`.
+- `runtime/doc/` - user-facing documentation in Vim help format, when updating,
+  also update the Last Change header
+- `runtime/syntax/generator` - Syntax script for Vim Script, automatically generated
+  from Vims source
+- `runtime/`  - runtime files shipped with Vim, when updating, also update the
+  Last Change header and a short description if this file has no maintainer
+  If the file has a maintainer, changes should go via them (so make a merge
+  request against the upstream repo instead)
+- `src/version.c` - contains the `included_patches[]` list. Every
+  patch touching anything below `src/` (with the exception of `src/po`) needs a
+  new entry at the top, will be updated only when merging into
+  the master tree.
+
+## Commit format
+
+Vim uses a strict commit message format. The subject line is a
+one-sentence **problem statement**, not a description of the fix:
+
+    patch 9.2.NNNN: short description of the problem
+
+    Problem:  Restatement of the problem as a full sentence, possibly
+              with a reporter attribution in parentheses.
+    Solution: Short description of the fix, ending with the author's
+              name in parentheses.
+
+    optional longer description of the problem and solution goes here in prose.
+    Do not use bullet points.
+
+    fixes:   #NNNN
+    related: #NNNN
+    closes:  #NNNN
+
+    Co-authored-by: Name
+    Signed-off-by: Author Name <email>
+
+Rules:
+
+- **Subject line states the problem**, not the solution. "fix typo" is
+  wrong; "typo in foo() causes OOB read" is right.
+- **Problem line is a full sentence with a trailing period.** It mirrors
+  the subject.
+- **Solution line ends with `(Author Name)`** — parentheses, period
+  after them.
+- **Longer prose**, if any, goes after the Problem/Solution header
+- **`fixes:` references the issue** the patch fixes.
+  **`closes:` references the PR** that introduces the fix.
+  **`related:` references related issues**, including issues that caused this
+  one.
+  All can appear. Colon, aligned, no trailing period.
+- **`Signed-off-by:` is required** — DCO.
+- **`Co-Authored-By:` is allowed** and is the accepted way to
+  acknowledge AI assistance transparently. Human
+  coauthors should usually also have their own Signed-off-by.
+
+## C code conventions
+
+- **Indentation is 4 spaces per level.** Existing files use tabs with
+  `ts=8 sts=4 sw=4 noet` (set by the modeline in the file),
+  so tabs of width 8 appear where two levels of indent collapse. `sign.c`,
+  `sound.c`, and any new file must use spaces only and follow the style from
+  the .editorconfig file.
+- **Opening braces go on their own line (Allman style)** — for function
+  definitions and for control-flow constructs (`if`/`else`/`for`/`while`/
+  `do`) alike.
+- **Function definitions**: return type on its own indented line, with
+  the function name beginning on the next line.
+- Initialize locals where a reader cannot trivially see the first
+  assignment (common for pointers and return-value accumulators).
+  Don't add `= 0` initializers for values that are always assigned
+  before use — they can hide real uninitialized-read bugs from
+  the compiler.
+- `for (int i = 0; ...)` loop declarations are fine in files that
+  use them; older files may declare the counter at the top of the
+  block.
+- **Function-scope declarations at the top of a block** is the historical
+  style, but mid-block declarations are acceptable in files that have
+  adopted them. Match the surrounding code.
+- **Custom types end in `_T`** (e.g., `buf_T`, `linenr_T`, `pos_T`).
+  Never use `_t` — it collides with POSIX typedefs.
+- **C language is C95 plus specific C99 features**: `//` comments,
+  mixed declarations and statements, `__func__`, `bool`/`_Bool`,
+  variadic macros, compound literals, `static inline`, trailing enum
+  commas. Do not reach for later C standards — Vim still must build
+  with Compaq C on OpenVMS. See `*assumptions-C-compiler*` in
+  `develop.txt` for the full list.
+- **`bool` / `true` / `false` are acceptable.** Vim is transitioning
+  from `int` with `TRUE`/`FALSE` to C99 `bool`. Do not "fix" `bool`
+  back to `int`. Within a single patch, be consistent — don't mix
+  `true` and `TRUE` in new code.
+- **Do not mass-convert** `TRUE`/`FALSE` to `true`/`false` across files
+  unless that is the patch's explicit purpose. Opportunistic
+  conversions create noise in diffs.
+- **`STRLEN_LITERAL("...")`** should be used when the length of a
+  string literal is needed. Avoid `STRLEN()` on literals.
+- **`vim_snprintf_safelen()`** returns the written length; prefer it
+  over `vim_snprintf()` when the length is then needed.
+- **Prefer `dict_add_string_len()`** when the string length is already
+  known, over `dict_add_string()` which calls `STRLEN()`.
+- **String/buffer parameters go `(char_u *buf, size_t buflen)`** —
+  length alongside pointer, in bytes. Use `size_t` for byte counts,
+  `int` only where required by legacy APIs.
+- **Guards before divisions.** Check for divisor zero explicitly, even
+  when a composite earlier guard would prevent it. Relying on
+  transitive guards is fragile.
+- When introducing new allocations, verify the cleanup paths handle all exit
+  conditions (early return, error branches, etc).
+
+**Use Vim wrappers instead of libc where one exists:**
+
+| libc          | Vim                    | Why                         |
+|---------------|------------------------|-----------------------------|
+| `free()`      | `vim_free()`           | Tolerates NULL              |
+| `malloc()`    | `alloc()` / `lalloc()` | Checks for OOM              |
+| `strcpy()`    | `STRCPY()`             | Cast for `char_u *`         |
+| `strchr()`    | `vim_strchr()`         | Handles special characters  |
+| `strrchr()`   | `vim_strrchr()`        | Handles special characters  |
+| `memcpy()`    | `mch_memmove()`        | Handles overlapping copies  |
+| `bcopy()`     | `mch_memmove()`        | Handles overlapping copies  |
+| `memset()`    | `vim_memset()`         | Uniform across systems      |
+| `isspace()`   | `vim_isspace()`        | Handles bytes > 127         |
+| `iswhite()`   | `vim_iswhite()`        | TRUE only for tab and space |
+
+Further rules, not spelled out here, live in `runtime/doc/develop.txt`:
+
+- `*style-names*` — reserved name patterns (`is*`, `to*`, `str*`, `mem*`,
+  `wcs*`, `.*_t`, `__.*`), forbidden identifiers (`delete`, `this`, `new`,
+  `time`, `index`), and the 31-character function-name limit.
+- `*style-spaces*`, `*style-examples*` — spacing and one-statement-per-line.
+- `*style-various*` — `FEAT_` feature prefix, uppercase `#define`,
+  `#ifdef HAVE_X` rather than `#if HAVE_X`, no `'\"'`.
+- `*assumptions-makefiles*` — POSIX.1-2001 `make` only in the main
+  Makefiles (no `%` rules, `:=`, `.ONESHELL`, GNU conditionals).
+- Vim uses `char_u` instead of `char` type
+- Vim uses the macros `STRLEN`, `STRCPY`, `STRCMP`, `STRCAT` that work
+  with the `char_u` type.
+- `*style-clang-format*` — `sign.c` and `sound.c` are formatted with
+  `clang-format`; re-run it after editing those files.
+
+## Vim9 script conventions (in tests and runtime files)
+
+- Write modern Vim style (new files can use Vim9 script, but compatibility
+  with Neovim and other forks is a concern, so in doubt please ask!)
+- **Drop `l:` prefix from local variables** in Vim-script tests.
+- **Don't add `CheckFeature` inside individual tests** if it's already
+  at the top of the file.
+- If a test file doesn't gate features at the top, add CheckFeature to
+  individual tests that depend on specific build features.
+
+## Test conventions
+
+- Tests are in `src/testdir/test_*.vim`.
+- Reproducible tests beat "it doesn't crash" tests. If a patch fixes
+  a rendering bug, add a screendump test. If it fixes incorrect output,
+  assert the output.
+- Add comprehensive tests for newly added features and include them
+  in existing tests if possible
+- **Screendump tests** use `CheckScreendump`, `RunVimInTerminal`,
+  `VerifyScreenDump`, and live dumps in `src/testdir/dumps/`.
+- `v9.CheckScriptSuccess(lines)` / `v9.CheckScriptFailure(lines, error, lnum)`
+  are the standard way to test Vim9 script behavior at script-load time.
+- When fixing a bug reported as an issue, include a test that
+  reproduces the original report, not just a minimal synthetic case.
+- Tests for Syntax runtime are in `runtime/syntax/testdir`
+- Tests for Indent runtime are in `runtime/indent/testdir`
+
+## Common gotchas
+
+- **Distinguish what code enforces from what docs claim.** If a patch
+  changes documented behavior, say so in the Problem/Solution.
+- **Generated files** (`src/auto/configure`, generated Wayland protocol
+  C, etc.) should only be regenerated when their source changes.
+  Mixing unrelated regeneration into a functional patch creates noise.
+
+## Documentation
+
+- User-facing option or feature changes require a `runtime/doc/*.txt`
+  update in the same patch.
+- When editing an existing help file, bump the `Last change:` header
+  at the top.
+
+### Help file style
+
+See `runtime/doc/helphelp.txt` (`*help-writing*`) for the authoritative
+reference. Key conventions:
+
+- **File header**: first line is `*filename.txt*` then a tab then a
+  short description. That description appears under `LOCAL ADDITIONS`
+  in `help.txt`. The version and `Last change:` date go on the second
+  line, right aligned.
+- **Modeline**: every help file ends with a Vim modeline — typically
+  `vim:tw=78:ts=8:noet:ft=help:norl:`.
+- **Layout**: `'textwidth'` 78, `'tabstop'` 8, indent and align with
+  tab characters. Two spaces between sentences. Run `:retab`
+  (not `:retab!`, and review the diff) after editing.
+- **Tags** are defined as `*tag-name*`, usually right-aligned on the
+  line where the thing they name is introduced. Tag names must be
+  unique across all of `runtime/doc/`; for plugin help, prefix with
+  the plugin name.
+- **Cross-references inside help text**:
+    - `|tag-name|` — hot-link to an existing tag.
+    - `` `:cmd` `` — Ex command, highlighted as a code block.
+    - `'option'` — option name, in single quotes.
+    - `<Key>` or `CTRL-X` — special keys.
+    - `{placeholder}` — user-supplied argument.
+- **Sections** are separated by a line of `=` starting in column 1.
+  Column or subsection headings end with `~` to trigger heading
+  highlighting.
+- **Code blocks** start with `>` at the end of the introducing line
+  and end with `<` as the first non-blank on a later line (any line
+  starting in column 1 also implicitly closes the block). Use `>vim`
+  (or another language name) to request syntax highlighting inside
+  the block.
+- **Notation** — `Note`, `Todo`, `Error` and a few similar words are
+  auto-highlighted; do not try to fake the highlighting by other means.
+- **Language**: gender-neutral language is preferred for new or updated
+  text; existing wording does not need to be rewritten for this alone.
+
+## Release policy
+
+Vim alternates between development cycles and stability periods — see
+`runtime/doc/develop.txt` `*design-policy*`.
+
+- **During a stability period** only clear bug fixes, security fixes,
+  documentation updates, translations, and runtime file updates are
+  accepted. No new features, no backwards-incompatible changes.
+- **Once released in a minor version**, C-core features must stay
+  backwards-compatible. Runtime files have a bit more flexibility so
+  their maintainers can correct old behavior.
+- **Deprecated features** stay reachable via config (do not hard-error),
+  are documented as deprecated, can be disabled at compile time, and
+  may be removed in a later cycle.
+
+## Security
+
+Before reporting a suspected security issue or submitting a patch
+that touches security-sensitive code, read `SECURITY.md`. Follow
+the disclosure process described there.
+
+## Before submitting
+
+1. Commit message follows the format above.
+2. All modified code compiles without new warnings.
+3. Tests pass, and new functionality has regression tests.
+4. Documentation is updated for user-visible changes.
+5. Signed-off-by is present.
+6. Diff contains only changes relevant to the stated problem —
+   no stray whitespace fixes, no unrelated refactors, no unrelated
+   regeneration of `auto/configure`.
+7. For multi-patch series: each commit compiles and passes its own
+   tests. A known-broken intermediate state that a later patch fixes
+   is not acceptable — squash instead.
+
+## When in doubt
+
+- Make the smallest possible change to achieve the goal. Do not rewrite
+  entire files or functions when a targeted edit suffices.
+- Read surrounding code and match its style rather than imposing an
+  "improvement."
+- Err toward smaller, more focused patches. A patch that does three
+  things is three patches.
+- If a patch fixes a symptom of a deeper bug, say so in the Problem
+  and acknowledge the scope limitation in the Solution.
+- Before claiming a bug exists, reproduce it. Before claiming code does X, read
+  the code. Do not rely on training-data memory of file contents.
+- Before running shell commands that modify files outside the working tree,
+  install packages, push branches, or invoke network operations, confirm with
+  the user.

Filelist

@@ -153,6 +153,7 @@ SRC_ALL =	\
 		src/spellfile.c \
 		src/spellsuggest.c \
 		src/strings.c \
+		src/strptime.c \
 		src/structs.h \
 		src/syntax.c \
 		src/tabpanel.c \
@@ -1198,6 +1199,7 @@ IGNORE = \
 		.github/FUNDING.yml \
 		.github/labeler.yml \
 		.github/workflows/label.yml \
+		AGENTS.md \
 		SECURITY.md \
 		ci/unlisted.make \
 		ci/hlgroups.make \

ci/lychee.toml

@@ -13,7 +13,7 @@ extensions = ["c", "h", "md", "html", "txt"]
 accept = ["100..=103", "200..=299", "429"]
 
 # Retry each request a few times on transient network errors
-retries = 2
+max_retries = 2
 retry_wait_time = 2
 
 # Timeout per request in seconds

lang/README.ru.txt

@@ -137,7 +137,7 @@ README_vms.txt		VMS
 
 ДОПОЛНИТЕЛЬНАЯ ИНФОРМАЦИЯ
 
-Для системе macOS вы може использовать MacVim:  https://macvim.org
+Для системе macOS вы можете использовать MacVim:  https://macvim.org
 
 Последние новости о редакторе Vim можно найти на его домашней странице:
 	https://www.vim.org/

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 15
+# Last Change:		2026 Apr 23
 # Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 # These functions are moved here from runtime/filetype.vim to make startup
@@ -1726,6 +1726,8 @@ const ft_from_ext = {
   "tdf": "ahdl",
   # AIDL
   "aidl": "aidl",
+  # Algol 68
+  "a68": "algol68",
   # AMPL
   "run": "ampl",
   # ANTLR / PCCTS
@@ -1798,6 +1800,7 @@ const ft_from_ext = {
   # BDF font
   "bdf": "bdf",
   # Beancount
+  "bean": "beancount",
   "beancount": "beancount",
   # BibTeX bibliography database file
   "bib": "bib",
@@ -3113,7 +3116,9 @@ const ft_from_ext = {
   "bp": "bp",
   # Tiltfile
   "Tiltfile": "tiltfile",
-  "tiltfile": "tiltfile"
+  "tiltfile": "tiltfile",
+  # Ghostty
+  "ghostty": "ghostty",
 }
 # Key: file name (the final path component, excluding the drive and root)
 # Value: filetype

runtime/doc/builtin.txt

@@ -1,4 +1,4 @@
-*builtin.txt*	For Vim version 9.2.  Last change: 2026 Apr 14
+*builtin.txt*	For Vim version 9.2.  Last change: 2026 Apr 26
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -11317,7 +11317,12 @@ strptime({format}, {timestring})			*strptime()*
 		can try different {format} values until you get a non-zero
 		result.
 
+		Note: On MS-Windows, where the C runtime does not provide
+		strptime(), Vim uses a built-in fallback that always uses
+		English locale names regardless of the active locale.
+
 		See also |strftime()|.
+
 		Examples: >
 		  :echo strptime("%Y %b %d %X", "1997 Apr 27 11:49:23")
 <		  862156163 >
@@ -11990,6 +11995,7 @@ terminalprops()						*terminalprops()*
 		   underline_rgb	whether |t_8u| works **
 		   mouse		mouse type supported
 		   kitty		whether Kitty terminal was detected
+		   decrqm		whether sending DECRQM sequences work
 
 		** value 'u' for unknown, 'y' for yes, 'n' for no
 
@@ -12009,6 +12015,9 @@ terminalprops()						*terminalprops()*
 
 		For "mouse" the value 'u' is unknown
 
+		If "decrqm" is 'y', then Vim will query support for the
+		'termsync' and 'termresize' ("inband") options.
+
 		Also see:
 		- 'ambiwidth' - detected by using |t_u7|.
 		- |v:termstyleresp| and |v:termblinkresp| for the response to
@@ -13354,8 +13363,6 @@ vtp			Compiled for vcon support |+vtp| (check vcon to find
 			out if it works in the current console).
 wayland			Compiled with Wayland protocol support.
 wayland_clipboard	Compiled with support for Wayland clipboard.
-wayland_focus_steal	Compiled with support for Wayland clipboard focus
-			stealing.
 wildignore		Compiled with 'wildignore' option.
 wildmenu		Compiled with 'wildmenu' option.
 win16			old version for MS-Windows 3.1 (always false)

runtime/doc/cmdline.txt

@@ -1,4 +1,4 @@
-*cmdline.txt*	For Vim version 9.2.  Last change: 2026 Mar 17
+*cmdline.txt*	For Vim version 9.2.  Last change: 2026 Apr 20
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -466,14 +466,15 @@ CTRL-L		A match is done on the pattern in front of the cursor.  If
 	                                            *c_CTRL-G* */_CTRL-G*
 CTRL-G		When 'incsearch' is set, entering a search pattern for "/" or
 		"?" and the current match is displayed then CTRL-G will move
-		to the next match (does not take |search-offset| into account)
+		to the next match.  The |search-offset| is applied when <CR>
+		is pressed, but does not affect the match highlighting.
 		Use CTRL-T to move to the previous match.  Hint: on a regular
 		keyboard G is below T.
 	                                            *c_CTRL-T* */_CTRL-T*
 CTRL-T		When 'incsearch' is set, entering a search pattern for "/" or
 		"?" and the current match is displayed then CTRL-T will move
-		to the previous match (does not take |search-offset| into
-		account).
+		to the previous match.  The |search-offset| is applied when
+		<CR> is pressed, but does not affect the match highlighting.
 		Use CTRL-G to move to the next match.  Hint: on a regular
 		keyboard T is above G.
 

runtime/doc/options.txt

@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 9.2.  Last change: 2026 Apr 17
+*options.txt*	For Vim version 9.2.  Last change: 2026 Apr 21
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -9065,6 +9065,23 @@ A jump table for the options with a short description can be found at |Q_op|.
 				tab panel will not be displayed.
 				(default 20)
 
+		scroll		Enable mouse wheel scrolling over the tabpanel
+				area when the tab list exceeds the visible
+				screen height.  The scroll step is controlled
+				by 'mousescroll'.  When disabled (the default),
+				the tabpanel shows the page containing the
+				current tab, with no way to view tabs outside
+				that page.
+
+		scrollbar	Reserve a one-column scrollbar in the tabpanel
+				showing the current scroll position.  The
+				scrollbar uses the |hl-PmenuSbar| and
+				|hl-PmenuThumb| highlight groups for the track
+				and thumb respectively.  Clicking on the
+				scrollbar column jumps the thumb to that
+				position; the thumb can also be dragged.
+				Implies "scroll".
+
 		vert		Use a vertical separator for tabpanel.
 				The vertical separator character is taken from
 				"tpl_vert" in 'fillchars'.
@@ -10669,11 +10686,10 @@ A jump table for the options with a short description can be found at |Q_op|.
 				*'wlsteal'* *'wst'* *'nowlsteal'* *'nowst'*
 'wlsteal' 'wst'		boolean  (default off)
 			global
-			{only when the |+wayland_focus_steal| feature is
-			included}
+	DEPRECATED: This option is no longer used; changing it has no effect.
+
 	When enabled, then allow Vim to steal focus by creating a temporary
-	surface, in order to access the clipboard.  For more information see
-	|wayland-focus-steal|.
+	surface, in order to access the clipboard.
 
 						*'wltimeoutlen'* *'wtm'*
 'wltimeoutlen' 'wtm'	number	(default 500)
@@ -10686,9 +10702,6 @@ A jump table for the options with a short description can be found at |Q_op|.
 	some cases.  On the other hand, it may also mean you receive errors
 	when the compositor takes more time to respond than usual.
 
-	Additionally, this option is also used as the maximum timeout when
-	waiting for a surface to gain focus, see |wayland-focus-steal|.
-
 						*'wrap'* *'nowrap'*
 'wrap'			boolean	(default on)
 			local to window

runtime/doc/pi_netrw.txt

@@ -2854,10 +2854,6 @@ your browsing preferences.  (see also: |netrw-settings|)
 				such as listing, file removal, etc.
 				 default: ssh
 
-  *g:netrw_tmpfile_escape*	=' &;'
-				escape() is applied to all temporary files
-				to escape these characters.
-
   *g:netrw_timefmt*		specify format string to vim's strftime().
 				The default, "%c", is "the preferred date
 				and time representation for the current

runtime/doc/quickref.txt

@@ -1,4 +1,4 @@
-*quickref.txt*	For Vim version 9.2.  Last change: 2026 Apr 15
+*quickref.txt*	For Vim version 9.2.  Last change: 2026 Apr 21
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -895,7 +895,7 @@ Short explanation of each option:		*option-list*
 'scrollfocus'	  'scf'     scroll wheel applies to window under pointer
 'scrolljump'	  'sj'	    minimum number of lines to scroll
 'scrolloff'	  'so'	    minimum nr. of lines above and below cursor
-'scrolloffpad'	  'sop'	    keep 'scrolloff' context at end of file
+'scrolloffpad'	  'sop'	    vertically center cursor at end of file
 'scrollopt'	  'sbo'     how 'scrollbind' should behave
 'sections'	  'sect'    nroff macros that separate sections
 'secure'		    secure mode for reading .vimrc in current dir

runtime/doc/syntax.txt

@@ -1,4 +1,4 @@
-*syntax.txt*	For Vim version 9.2.  Last change: 2026 Apr 14
+*syntax.txt*	For Vim version 9.2.  Last change: 2026 Apr 23
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -849,6 +849,20 @@ ADA
 See |ft-ada-syntax|
 
 
+ALGOL 68					*algol68* *ft-algol68-syntax*
+
+This syntax file currently targets the Algol 68 Genie project using the
+default UPPER stropping regime.  It should also be usuable in other
+environments using the UPPER stropping regime, though somewhat less complete.
+
+Highlighting can be further configured with the following variables.
+
+Variable			Highlight ~
+*algol68_no_preludes*		no prelude identifiers, procedures or
+				bold word operators
+*algol68_symbolic_operators*	all prelude symbolic operators
+
+
 ANT						*ant.vim* *ft-ant-syntax*
 
 The ant syntax file provides syntax highlighting for javascript and python

runtime/doc/tabpage.txt

@@ -1,4 +1,4 @@
-*tabpage.txt*	For Vim version 9.2.  Last change: 2026 Feb 14
+*tabpage.txt*	For Vim version 9.2.  Last change: 2026 Apr 26
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -482,6 +482,47 @@ The vertical separator character is taken from "tpl_vert" in 'fillchars'.
 You can customize the appearance of the tab page labels using the highlight
 groups: |hl-TabPanel| |hl-TabPanelSel| |hl-TabPanelFill|
 
+SCROLLING IN THE TABPANEL:				*tabpanel-scroll*
+
+When the total height of the tab page list exceeds the visible screen height,
+the tabpanel by default displays the "page" that contains the current tab page
+and offers no way to view tab pages outside that page.
+
+To make the tabpanel scrollable, add "scroll" to 'tabpanelopt': >
+	:set tabpanelopt+=scroll
+
+With "scroll" enabled, mouse wheel events over the tabpanel area scroll the
+tab page list up or down.  The scroll step follows the 'mousescroll' setting.
+Wheel events inside the tabpanel area are consumed by the tabpanel and do not
+trigger |<ScrollWheelUp>| or |<ScrollWheelDown>| mappings.
+
+To additionally show a vertical scrollbar indicating the current scroll
+position, use "scrollbar": >
+	:set tabpanelopt+=scrollbar
+
+The "scrollbar" value implies "scroll".  A one-column scrollbar is reserved at
+the edge of the tabpanel; clicking on the scrollbar column moves the thumb to
+the click position, and the thumb can be dragged to scroll continuously.
+
+When "vert" is combined with "scrollbar", the scrollbar is drawn next to the
+vertical separator, on the panel side.
+
+The scrollbar uses the |hl-PmenuSbar| highlight group for the track and
+|hl-PmenuThumb| for the thumb.
+
+The scroll offset is remembered across redraws but is reset when "scroll" or
+"scrollbar" is toggled off and back on.
+
+MOUSE CLICKS IN THE TABPANEL:				*tabpanel-mouse*
+
+A left click on a row in the tabpanel selects the tab page that the row
+belongs to.  Unlike the tabline, a double click in the tabpanel does not
+open a new, empty tab page; it is treated the same as a single click.
+
+For finer-grained control, the 'tabpanel' value may contain |stl-%[FuncName]|
+click regions.  Clicks on those regions are dispatched to the callback
+function instead of falling through to tab selection.
+
 ==============================================================================
 6. Setting 'guitablabel'				*setting-guitablabel*
 

runtime/doc/tags

@@ -1562,7 +1562,6 @@ $quote	eval.txt	/*$quote*
 +vtp	various.txt	/*+vtp*
 +wayland	various.txt	/*+wayland*
 +wayland_clipboard	various.txt	/*+wayland_clipboard*
-+wayland_focus_steal	various.txt	/*+wayland_focus_steal*
 +wildignore	various.txt	/*+wildignore*
 +wildmenu	various.txt	/*+wildmenu*
 +windows	various.txt	/*+windows*
@@ -6234,6 +6233,9 @@ added-win32-GUI	version5.txt	/*added-win32-GUI*
 aff-dic-format	spell.txt	/*aff-dic-format*
 after-directory	options.txt	/*after-directory*
 aleph	options.txt	/*aleph*
+algol68	syntax.txt	/*algol68*
+algol68_no_preludes	syntax.txt	/*algol68_no_preludes*
+algol68_symbolic_operators	syntax.txt	/*algol68_symbolic_operators*
 alt	intro.txt	/*alt*
 alt-input	debugger.txt	/*alt-input*
 alternate-file	editing.txt	/*alternate-file*
@@ -7520,6 +7522,7 @@ ft-ada-options	ft_ada.txt	/*ft-ada-options*
 ft-ada-plugin	ft_ada.txt	/*ft-ada-plugin*
 ft-ada-syntax	ft_ada.txt	/*ft-ada-syntax*
 ft-ada-variables	ft_ada.txt	/*ft-ada-variables*
+ft-algol68-syntax	syntax.txt	/*ft-algol68-syntax*
 ft-ant-syntax	syntax.txt	/*ft-ant-syntax*
 ft-apache-syntax	syntax.txt	/*ft-apache-syntax*
 ft-arduino-plugin	filetype.txt	/*ft-arduino-plugin*
@@ -7971,7 +7974,6 @@ g:netrw_ssh_browse_reject	pi_netrw.txt	/*g:netrw_ssh_browse_reject*
 g:netrw_ssh_cmd	pi_netrw.txt	/*g:netrw_ssh_cmd*
 g:netrw_sshport	pi_netrw.txt	/*g:netrw_sshport*
 g:netrw_timefmt	pi_netrw.txt	/*g:netrw_timefmt*
-g:netrw_tmpfile_escape	pi_netrw.txt	/*g:netrw_tmpfile_escape*
 g:netrw_uid	pi_netrw.txt	/*g:netrw_uid*
 g:netrw_use_noswf	pi_netrw.txt	/*g:netrw_use_noswf*
 g:netrw_use_nt_rcp	pi_netrw.txt	/*g:netrw_use_nt_rcp*
@@ -10891,6 +10893,8 @@ tabpagebuflist()	builtin.txt	/*tabpagebuflist()*
 tabpagenr()	builtin.txt	/*tabpagenr()*
 tabpagewinnr()	builtin.txt	/*tabpagewinnr()*
 tabpanel	tabpage.txt	/*tabpanel*
+tabpanel-mouse	tabpage.txt	/*tabpanel-mouse*
+tabpanel-scroll	tabpage.txt	/*tabpanel-scroll*
 tag	tagsrch.txt	/*tag*
 tag-!	tagsrch.txt	/*tag-!*
 tag-binary-search	tagsrch.txt	/*tag-binary-search*
@@ -11805,8 +11809,6 @@ waittime	channel.txt	/*waittime*
 warningmsg-variable	eval.txt	/*warningmsg-variable*
 wayland	wayland.txt	/*wayland*
 wayland-and-x11	wayland.txt	/*wayland-and-x11*
-wayland-focus-steal	wayland.txt	/*wayland-focus-steal*
-wayland-gnome	wayland.txt	/*wayland-gnome*
 wayland-gui	wayland.txt	/*wayland-gui*
 wayland-persist	wayland.txt	/*wayland-persist*
 wayland-primary-selection	wayland.txt	/*wayland-primary-selection*

runtime/doc/various.txt

@@ -1,4 +1,4 @@
-*various.txt*	For Vim version 9.2.  Last change: 2026 Apr 06
+*various.txt*	For Vim version 9.2.  Last change: 2026 Apr 27
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -60,10 +60,9 @@ ga			Print the ascii value of the character under the
 			but printable according to the 'isprint' option, the
 			non-printable version is also given.
 
-			When the character is larger than 127, the <M-x> form
-			is also printed.  For example:
-				<~A>  <M-^A>  129,  Hex 81,  Octal 201 ~
-				<p>  <|~>  <M-~>  254,  Hex fe,  Octal 376 ~
+			When the character is larger than 127:
+				<<81>>  129,  Hex 0081,  Octal 201 ~
+				 <p>    254,  Hex 00fe,  Octal 376 ~
 			(where <p> is a special character)
 
 			The <Nul> character in a file is stored internally as
@@ -185,6 +184,9 @@ g8			Print the hex values of the bytes used in the
 			If the mark is "=", a line of dashes is printed
 			around the current line.
 
+			If the 'number' option is set, absolute line numbers
+			will be included in the output.
+
 							*:z!*
 :[range]z![+-^.=][count]
 			Like ":z", but when [count] is not specified, it
@@ -529,9 +531,6 @@ T  *+vreplace*		|gR| and |gr|
    *+vtp*		on MS-Windows console: support for 'termguicolors'
 N  *+wayland*		Unix only: support for the Wayland protocol.
 N  *+wayland_clipboard*	Unix only: support for Wayland selections/clipboard.
-N  *+wayland_focus_steal*
-			Unix only: support for Wayland clipboard on
-			compositors without a data control protocol
 T  *+wildignore*	'wildignore'  Always enabled since 9.0.0278
 T  *+wildmenu*		'wildmenu'  Always enabled since 9.0.0279
 T  *+windows*		more than one window; Always enabled since 8.0.1118.

runtime/doc/version9.txt

@@ -1,4 +1,4 @@
-*version9.txt*	For Vim version 9.2.  Last change: 2026 Apr 16
+*version9.txt*	For Vim version 9.2.  Last change: 2026 Apr 26
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -41954,7 +41954,7 @@ Vim Arguments: ~
 
 Configure Switches: ~
 --with-wayland			Enable the |wayland| feature.
---enable-wayland-focus-steal	Enable the |wayland-focus-steal| feature.
+--enable-wayland-focus-steal	Enable the wayland-focus-steal feature.
 --enable-socketserver		Enable the |socketserver-clientserver|
 				feature.
 
@@ -52616,10 +52616,13 @@ Other ~
 - Allow mouse clickable regions in the 'statusline', 'tabline' and the
   'tabpanel' using the |stl-%[FuncName]| atom.
 - Enable reflow support in the |:terminal|.
+- Added "scroll" and "scrollbar" sub-options to 'tabpanelopt' so the tabpanel
+  can scroll when the tab page list exceeds the visible screen height.
 
 Platform specific ~
 -----------------
 - support OpenType font features in 'guifont' for DirectWrite (Win32)
+- Include strptime() fallback for MS-Windows
 
 xxd ~
 ---
@@ -52636,6 +52639,9 @@ Changed ~
   are moved to the resulting joined line instead of being dropped.
 - Only a few whitelisted options are allowed to be set by a modeline to
   improve overall security, see for details: 'modelinestrict'
+- Removed the Wayland focus steal feature 'wlsteal', since it causes too many
+  issues and can now be re-implemted using the |clipboard-providers| feature
+  if needed, see |wayland-primary-selection| for an example.
 
 							*added-9.3*
 Added ~
@@ -52653,8 +52659,8 @@ Autocommands: ~
 Options: ~
 
 'modelinestrict'	Only allow safe options to be set from a modeline.
-'pumopt'		Additional options for the popup menu
-'scrolloffpad'		Keep 'scrolloff' context at end of file
+'pumopt'		Additional options for the popup menu.
+'scrolloffpad'		Vertically center cursor at end of file.
 'statuslineopt'		Extra window-local options for the 'statusline', to
 			configure the height.
 't_BS'			Begin synchronized update.

runtime/doc/wayland.txt

@@ -1,4 +1,4 @@
-*wayland.txt*	For Vim version 9.2.  Last change: 2026 Feb 14
+*wayland.txt*	For Vim version 9.2.  Last change: 2026 Apr 20
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -54,15 +54,12 @@ try connecting again.
 2. Wayland Selections					*wayland-selections*
 
 Vim supports the wlr-data-control-unstable-v1 and ext-data-control-v1
-protocols, for accessing the current Wayland selection.  These are the best
-case scenario protocols, see |wayland-focus-steal|.  Selection in this case
+protocols, for accessing the current Wayland selection. Selection in this case
 essentially means the "clipboard."  You can check if your Wayland compositor
 supports either of these protocols by running the wayland-info command, which
 should be bundled with libwayland on your system: >
 	wayland-info | grep -E '(ext_data_control|zwlr_data_control)'
 <If grep finds a match, then you have either or both protocols on your system.
-If you don't get any match, then please see |wayland-focus-steal| for more
-information.
 
 Some compositors that are known to support either or both protocols:
     1. KWin (KDE)
@@ -90,39 +87,65 @@ Vim determines which one to use when accessing the clipboard using the
 
 						*wayland-primary-selection*
 If you find X11 style primary selections useful, Wayland also implements this
-behaviour in its own protocols:
+feature using the protocols that Vim supports.  This is unless you are using
+version 1 (not the same as the 'v1' in the protocol name), of the
+wlr-data-control protocol, then primary selection will not be supported. You
+can check this using >
+	wayland-info | grep -E '(ext_data_control|zwlr_data_control)'
+If the "version:" entry for "zwlr_data_control_manager_v1" is "2" or greater,
+then primary selection is supported.  If you also get
+"ext_data_control_manager_v1", then Vim will use that protocol instead, which
+has primary selection support builtin into it.
 
-- The primary selection protocol is the most widely supported, but requires
-  focus in order to be used, see |wayland-focus-steal|.
+If your Wayland compositor does not support the wlr-data-control-v1 or the
+ext-data-control-v1 protocol, Vim cannot access the clipboard directly through
+the Wayland protocol.  External tools such as wl-clipboard can be used instead
+via a user-defined |clipboard-providers|.
 
-- Data control protocol available on your system, such as the ext or wlr
-  protocols, then primary selection is also supported.  This is unless you are
-  using version 1 (not the same as the 'v1' in the protocol name), of the
-  wlr-data-control protocol.  Then the primary selection protocol will be used
-  as a fallback.
+Example: define a provider that shells out to `wl-copy` and `wl-paste`: >vim9
 
-					*wayland-focus-steal* *wayland-gnome*
-If you are using the GNOME desktop environment on Wayland, as of this writing,
-there is no method of accessing/modifying the clipboard for external clients
-such as Vim without being focused.  Focused in this case means the client has
-received some sort of input event, such as a window being focused.  This is
-what the wlr-data-control-unstable-v1 and ext-data-control-v1 protocols solve.
-If your Wayland compositor does not support the above protocols, then the
-above explanation applies.
+    vim9script
 
-To solve this problem, Vim implements a way of gaining focus in order to
-access the clipboard, by creating a temporary transparent top-level surface.
-This is by default disabled and can be enabled via the 'wlsteal' option.
-Moreover, a seat that has a keyboard is also required, see 'wlseat', and the
-xdg-shell protocol must be available.  Additionally, Vim must be compiled with
-the |+wayland_focus_steal| feature.
+    def Available(): bool
+	return executable('wl-copy') && executable('wl-paste')
+    enddef
 
-Note that this method can have several side effects from the result of focus
-stealing.  For example, if you have a taskbar that shows currently opened apps
-in your desktop environment, then when Vim attempts to steal focus, it may
-"flicker," as if a window was opened then immediately closed after.
-Additionally, if you are in fullscreen mode, this focus stealing won't work,
-because the created surface won't ever gain focus.  If this happens, Vim will
-seem to freeze temporarily, see 'wltimeoutlen' for more information.
+    def Copy(reg: string, type: string, str: list<string>)
+	var args = "wl-copy"
+
+	if reg == "*"
+	    args ..= " -p"
+	endif
+
+	system(args, str)
+    enddef
+
+    def Paste(reg: string): tuple<string, list<string>>
+	var args = "wl-paste --type text/plain;charset=utf-8"
+
+	if reg == "*"
+	    args ..= " -p"
+	endif
+
+	return ("", systemlist(args))
+    enddef
+
+    v:clipproviders["wl_clipboard"] = {
+	available: Available,
+	copy: {
+	    "+": Copy,
+	    "*": Copy
+	},
+	paste: {
+	    "+": Paste,
+	    "*": Paste
+	}
+    }
+
+    set clipmethod=wl_clipboard
+
+
+This relies on the wl-clipboard package being installed
+(https://github.com/bugaevc/wl-clipboard).
 
  vim:tw=78:ts=8:noet:ft=help:norl

runtime/filetype.vim

@@ -1,7 +1,7 @@
 " Vim support file to detect file types
 "
 " Maintainer:		The Vim Project <https://github.com/vim/vim>
-" Last Change:		2026 Apr 08
+" Last Change:		2026 Apr 20
 " Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 " If the filetype can be detected from extension or file name(the final path component),
@@ -1617,6 +1617,10 @@ au BufNewFile,BufRead *.txt
 	\|   setf text
 	\| endif
 
+" Ghostty configuration
+au BufNewFile,BufRead */ghostty/config                      setf ghostty
+au BufNewFile,BufRead */ghostty/themes/*                    call s:StarSetf('ghostty')
+au BufNewFile,BufRead */com.mitchellh.ghostty/config        setf ghostty
 
 
 " Generic log file

runtime/ftplugin/algol68.vim

@@ -0,0 +1,47 @@
+" Vim filetype plugin
+" Language:		Algol 68
+" Maintainer:		Doug Kearns <dougkearns@gmail.com>
+" Last Change:		2026 Apr 23
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+" TODO: 'comments'
+
+setlocal commentstring=#\ %s\ #
+
+let &l:include='\c\%(^\|;\)\s*\%(PR\|PRAGMAT\)\s\+\%(read\|include\)'
+
+let b:undo_ftplugin = "setl cms< inc<"
+
+if exists("loaded_matchit") && !exists("b:match_words")
+  let b:match_ignorecase = 0
+  let b:match_words = '\<BEGIN\>:\<END\>,' ..
+	\	      '\<IF\>:\<THEN\>:\<ELIF\>:\<ELSE\>:\<FI\>,' ..
+	\	      '\<CASE\>:\<IN\>:\<OUSE\>:\<OUT\>:\<ESAC\>,' ..
+	"\ TODO: loops have overlapping start and intermediate keywords like
+	"\ `TO` which are difficult to match with patterns alone.
+	\	      '\<DO\>:\<OD\>'
+  let b:match_skip = 's:Comment\|String\|PreProc'
+  let b:undo_ftplugin ..= " | unlet! b:match_ignorecase b:match_skip b:match_words"
+endif
+
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+  let b:browsefilter = "Algol 68 Source Files (*.a68)\t*.a68\n"
+  if has("win32")
+    let b:browsefilter ..= "All Files (*.*)\t*\n"
+  else
+    let b:browsefilter ..= "All Files (*)\t*\n"
+  endif
+  let b:undo_ftplugin ..= " | unlet! b:browsefilter"
+endif
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: nowrap sw=2 sts=2 ts=8

runtime/ftplugin/ghostty.vim

@@ -0,0 +1,10 @@
+" Vim filetype plugin file
+" Language: ghostty
+
+" Quit if a ftplugin file was already loaded
+if exists("b:did_ftplugin")
+  finish
+endif
+
+" Use the cfg plugin, it's similar enough.
+runtime! ftplugin/cfg.vim

runtime/ftplugin/help.vim

@@ -4,6 +4,7 @@
 " Last Change:          2025 Apr 08
 " 2025 Apr 08 by Vim project (set 'omnifunc' and 'iskeyword', #17073)
 " 2025 Aug 08 by Vim project (unset comment options, #17889)
+" 2026 Apr 26 by Vim project (make HelpComplete global, #20024)
 
 if exists("b:did_ftplugin")
   finish
@@ -17,14 +18,14 @@ let b:undo_ftplugin = "setl isk< fo< tw< cole< cocu< keywordprg< omnifunc< comme
 
 setl comments= cms=
 
-setlocal formatoptions+=tcroql textwidth=78 keywordprg=:help omnifunc=s:HelpComplete
+setlocal formatoptions+=tcroql textwidth=78 keywordprg=:help omnifunc=HelpComplete
 let &l:iskeyword='!-~,^*,^|,^",192-255'
 if has("conceal")
   setlocal cole=2 cocu=nc
 endif
 
-if !exists('*s:HelpComplete')
-  func s:HelpComplete(findstart, base)
+if !exists('*HelpComplete')
+  func HelpComplete(findstart, base)
     if a:findstart
       let colnr = col('.') - 1 " Get the column number before the cursor
       let line = getline('.')

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 15
+" Last Change:	2026 Apr 21
 " Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 " If there already is an option window, jump to that one.
@@ -351,7 +351,7 @@ call append("$", "\t" .. s:local_to_window)
 call <SID>BinOptionL("sms")
 call <SID>AddOption("scrolloff", gettext("number of screen lines to show around the cursor"))
 call append("$", " \tset so=" . &so)
-call <SID>AddOption("scrolloffpad", gettext("keep 'scrolloff' context even at end of file"))
+call <SID>AddOption("scrolloffpad", gettext("vertically center cursor even at end of file"))
 call append("$", " \tset sop=" . &sop)
 call <SID>AddOption("wrap", gettext("long lines wrap"))
 call append("$", "\t" .. s:local_to_window)
@@ -835,10 +835,6 @@ if has('wayland')
   call <SID>AddOption("wlseat", gettext("Wayland seat to use"))
   call <SID>OptionG("wse", &wse)
 endif
-if has("wayland_focus_steal")
-  call <SID>AddOption("wlsteal", gettext("Enable wayland focus stealing functionality in order to access the clipboard"))
-  call <SID>BinOptionG("wst", &wst)
-endif
 call <SID>AddOption("keymodel", gettext("\"startsel\" and/or \"stopsel\"; what special keys can do"))
 call <SID>OptionG("km", &km)
 

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

@@ -25,6 +25,9 @@
 " 2026 Apr 01 by Vim Project use fnameescape() with netrw#FileUrlEdit()
 " 2026 Apr 05 by Vim Project Fix netrw#RFC2396() #19913
 " 2026 Apr 15 by Vim Project Add missing escape()
+" 2026 Apr 19 by Vim Project expand ~ on Windows #20003
+" 2026 Apr 21 by Vim Project fix shell-injection via tempfile suffix (sftp://, file://)
+" 2026 Apr 21 by Vim Project drop unused g:netrw_tmpfile_escape
 " 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
@@ -399,7 +402,6 @@ else
   call s:NetrwInit("g:netrw_glob_escape",'*[]?`{~$\')
 endif
 call s:NetrwInit("g:netrw_menu_escape",'.&? \')
-call s:NetrwInit("g:netrw_tmpfile_escape",' &;')
 call s:NetrwInit("s:netrw_map_escape","<|\n\r\\\<C-V>\"")
 if has("gui_running") && (&enc == 'utf-8' || &enc == 'utf-16' || &enc == 'ucs-4')
   let s:treedepthstring= "│ "
@@ -530,8 +532,8 @@ function netrw#Explore(indx,dosplit,style,...)
   NetrwKeepj norm! 0
 
   if a:0 > 0
-    if a:1 =~ '^\~' && (has("unix") || g:netrw_cygwin)
-      let dirname= simplify(substitute(a:1,'\~',expand("$HOME"),''))
+    if a:1 =~ '^\~' && (has("unix") || has("win32") || g:netrw_cygwin)
+      let dirname= simplify(substitute(a:1,'^\~',escape(expand("$HOME"),'\&~'),''))
     elseif a:1 == '.'
       let dirname= simplify(exists("b:netrw_curdir")? b:netrw_curdir : getcwd())
       if dirname !~ '/$'
@@ -1820,14 +1822,14 @@ function netrw#NetRead(mode,...)
             ".........................................
         " NetRead: (sftp) NetRead Method #9 {{{3
         elseif     b:netrw_method  == 9
-            call netrw#os#Execute(s:netrw_silentxfer."!".g:netrw_sftp_cmd." ".netrw#os#Escape(g:netrw_machine.":".b:netrw_fname,1)." ".tmpfile)
+            call netrw#os#Execute(s:netrw_silentxfer."!".g:netrw_sftp_cmd." ".netrw#os#Escape(g:netrw_machine.":".b:netrw_fname,1)." ".netrw#os#Escape(tmpfile,1))
             let result          = s:NetrwGetFile(readcmd, tmpfile, b:netrw_method)
             let b:netrw_lastfile = choice
 
             ".........................................
         " NetRead: (file) NetRead Method #10 {{{3
         elseif      b:netrw_method == 10 && exists("g:netrw_file_cmd")
-            call netrw#os#Execute(s:netrw_silentxfer."!".g:netrw_file_cmd." ".netrw#os#Escape(b:netrw_fname,1)." ".tmpfile)
+            call netrw#os#Execute(s:netrw_silentxfer."!".g:netrw_file_cmd." ".netrw#os#Escape(b:netrw_fname,1)." ".netrw#os#Escape(tmpfile,1))
             let result           = s:NetrwGetFile(readcmd, tmpfile, b:netrw_method)
             let b:netrw_lastfile = choice
 
@@ -8964,14 +8966,17 @@ function s:GetTempfile(fname)
     endif
 
     " use fname's suffix for the temporary file
+    " Restrict the suffix to word characters so shell metacharacters in a
+    " remote filename (e.g. sftp://host/foo.txt;id) cannot ride along into
+    " the tempfile name and out into a downstream shell command.
     if a:fname != ""
-        if a:fname =~ '\.[^./]\+$'
+        if a:fname =~ '\.\w\+$'
             if a:fname =~ '\.tar\.gz$' || a:fname =~ '\.tar\.bz2$' || a:fname =~ '\.tar\.xz$'
-                let suffix = ".tar".substitute(a:fname,'^.*\(\.[^./]\+\)$','\1','e')
+                let suffix = ".tar".substitute(a:fname,'^.*\(\.\w\+\)$','\1','e')
             elseif a:fname =~ '.txz$'
-                let suffix = ".txz".substitute(a:fname,'^.*\(\.[^./]\+\)$','\1','e')
+                let suffix = ".txz".substitute(a:fname,'^.*\(\.\w\+\)$','\1','e')
             else
-                let suffix = substitute(a:fname,'^.*\(\.[^./]\+\)$','\1','e')
+                let suffix = substitute(a:fname,'^.*\(\.\w\+\)$','\1','e')
             endif
             let tmpfile= substitute(tmpfile,'\.tmp$','','e')
             let tmpfile .= suffix

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

@@ -2854,10 +2854,6 @@ your browsing preferences.  (see also: |netrw-settings|)
 				such as listing, file removal, etc.
 				 default: ssh
 
-  *g:netrw_tmpfile_escape*	=' &;'
-				escape() is applied to all temporary files
-				to escape these characters.
-
   *g:netrw_timefmt*		specify format string to vim's strftime().
 				The default, "%c", is "the preferred date
 				and time representation for the current

runtime/syntax/algol68.vim

@@ -0,0 +1,469 @@
+" Vim syntax file
+" Language:		Algol 68
+" Version:		0.4
+" Maintainer:		Janis Papanagnou
+" Previous Maintainer:	NevilleD.ALGOL_68@sgr-a.net
+" Last Change:		2026 Apr 23
+
+if exists("b:current_syntax")
+  finish
+endif
+
+syn sync minlines=250 maxlines=500
+
+" Algol68 Final Report, unrevised
+syn keyword algol68PreProc	PRIORITY
+syn keyword algol68Operator	BTB CTB CONJ QUOTE CT CTAB EITHER SIGN
+
+
+" Algol68 Revised Report
+syn keyword algol68Boolean	TRUE FALSE
+syn keyword algol68Conditional	IF THEN ELSE ELIF FI
+syn keyword algol68Conditional	CASE IN OUT OUSE ESAC
+syn keyword algol68Constant	NIL SKIP EMPTY
+syn keyword algol68Statement	MODE OP PRIO PROC
+syn keyword algol68Label	GOTO 
+syn match   algol68Label	"\<GO TO\>"
+syn keyword algol68Operator	ABS REPR ROUND ENTIER ARG BIN LENG SHORTEN ODD
+syn keyword algol68Operator	SHL SHR ROL ROR UP DOWN LEVEL LWB UPB I RE IM
+syn keyword algol68Operator	OVER MOD ELEM SET CLEAR
+syn keyword algol68Operator	LT LE GE GT
+syn keyword algol68Operator	EQ NE
+syn keyword algol68Operator	AND OR XOR NOT
+" Genie short-circuit pseudo operators
+syn keyword algol68Operator	THEF ANDF ANDTH ELSF ORF OREL
+syn keyword algol68Operator	ANDTHEN ORELSE
+syn keyword algol68Operator	MINUSAB PLUSAB TIMESAB DIVAB OVERAB MODAB PLUSTO
+syn keyword algol68Operator	IS ISNT OF AT
+syn keyword algol68Operator	SORT ELEMS
+syn keyword algol68Repeat	FOR FROM BY UPTO DOWNTO TO WHILE DO UNTIL OD
+syn keyword algol68Statement	PAR BEGIN END EXIT
+syn keyword algol68Struct	STRUCT
+syn keyword algol68PreProc	VECTOR
+syn keyword algol68Type		FLEX HEAP LOC LONG REF SHORT
+syn keyword algol68Type		VOID BOOL INT REAL COMPL CHAR STRING COMPLEX
+syn keyword algol68Type		BITS BYTES FILE CHANNEL PIPE SEMA SOUND
+syn keyword algol68Type		FORMAT STRUCT UNION 
+" Genie extensions in addition to ROUND and ENTIER
+syn keyword algol68Operator	FLOOR CEIL NINT TRUNC FRAC FIX
+
+    " 20011222az: Added new items.
+syn keyword algol68Todo contained	TODO FIXME XXX DEBUG NOTE
+
+
+" String
+syn region  algol68String	matchgroup=algol68String start=+"+ end=+"+ contains=algol68StringEscape
+syn match   algol68StringEscape	contained '""'
+syn match   algol68StringEscape	contained "\\$"
+
+
+syn match   algol68Identifier		"\<[a-z][a-z0-9_]*\>"
+
+
+if exists("algol68_symbolic_operators")
+  syn match   algol68SymbolOperator	"\\"
+  syn match   algol68SymbolOperator	":=\|="
+  syn match   algol68SymbolOperator	"[~^]"
+  syn match   algol68SymbolOperator	"[~^]="
+  syn match   algol68SymbolOperator	"[<>]"
+  syn match   algol68SymbolOperator	"[<>]="
+  syn match   algol68SymbolOperator	"\%([-+*%/]\|%\*\)"
+  syn match   algol68SymbolOperator	"\%([-+*%/]\|%\*\):="
+  syn match   algol68SymbolOperator	"+=:"
+  syn match   algol68SymbolOperator	"*\*\|&"
+endif
+
+syn match  algol68Number	"\<\d\+\%(\s\+\d\+\)*\>"
+
+syn match  algol68Float		"\c\.\d\+\%(\s\+\d\+\)*\%(\s*[e\\⏨]\s*[-+]\?\s*\d\+\%(\s\+\d\+\)*\)\?\>"
+syn match  algol68Float		"\c\<\d\+\%(\s\+\d\+\)*\%(\s*[e\\⏨]\s*[-+]\?\s*\d\+\%(\s\+\d\+\)*\)\>"
+syn match  algol68Float		"\c\<\d\+\%(\s\+\d\+\)*\s*\.\s*\d\+\%(\s\+\d\+\)*\%(\s*[e\\⏨]\s*[-+]\?\s*\d\+\%(\s\+\d\+\)*\)\?\>"
+
+syn match  algol68HexNumber	"\c\<2r\s*[01]\+\%(\s\+[01]\+\)*\>"
+syn match  algol68HexNumber	"\c\<4r\s*[0-3]\+\%(\s\+[0-3]\+\)*\>"
+syn match  algol68HexNumber	"\c\<8r\s*[0-7]\+\%(\s\+[0-7]\+\)*\>"
+syn match  algol68HexNumber	"\c\<16r\s*[0-9a-f]\+\%(\s\+[0-9a-f]\+\)*\>"
+
+
+syn region algol68Special	start="\$"  end="\$" contains=algol68String
+syn region algol68Comment	start="¢"  end="¢" contains=algol68Todo,algol68SpaceError
+syn region algol68Comment	start="£"  end="£" contains=algol68Todo,algol68SpaceError
+syn region algol68Comment	start="#"  end="#" contains=algol68Todo,algol68SpaceError
+syn region algol68Comment	start="\<CO\>"  end="\<CO\>" contains=algol68Todo,algol68SpaceError
+syn region algol68Comment	start="\<COMMENT\>"  end="\<COMMENT\>" contains=algol68Todo,algol68SpaceError
+syn region algol68PreProc	start="\<PR\>"  end="\<PR\>" contains=algol68Todo,algol68SpaceError
+syn region algol68PreProc	start="\<PRAGMAT\>"  end="\<PRAGMAT\>" contains=algol68Todo,algol68SpaceError
+" algol68r
+syn region algol68Comment	start="{"  end="}" contains=algol68Todo,algol68SpaceError
+syn region algol68Comment	start="{{{"  end="}}}" contains=algol68Todo,algol68SpaceError
+
+" ALGOL 68r
+syn keyword algol68PreProc DECS CONTEXT configinfo A68CONFIG KEEP FINISH USE SYSPROCS IOSTATE FORALL
+" ALGOL 68c
+syn keyword algol68PreProc USING ENVIRON FOREACH ASSERT
+
+if !exists("algol68_no_preludes")
+
+
+"  THE STANDARD ENVIRONMENT
+
+"      Enquiries
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(blank\|formfeed\|newline\|null\|tab\|eof\)\s*char\%(acter\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(max\s*abs\|exp\|error\)\s*char\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(long\s*\)\?long\s*\)\?max\s*\%(bits\|int\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(long\s*\)\?long\s*\)\?\%(max\|min\|small\)\s*real\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\?\%(bits\|bytes\|exp\|int\|real\)\s*width\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(bits\|bytes\|compl\|int\|real\)\s*\%(lengths\|shorths\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(blank\|flip\|flop\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      Transput Files and Channels
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<stand\s*\%(in\|out\|back\|error\)\%(\s*channel\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<stand\s*draw\s*channel\>\%(\s*[a-z0-9]\)\@!"
+
+"      Transput Event Routines
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<on\s*\%(\%(line\|page\|\%(logical\s*\|physical\s*\)\?file\|format\)\s*\)end\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<on\s*\%(\%(format\|value\|open\|transput\)\s*\)error\>\%(\s*[a-z0-9]\)\@!"
+
+"      Connections to Files
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(open\|establish\|append\|create\|associate\|close\|lock\|erase\|scratch\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      Positioning on Files
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<new\s*line\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<new\s*page\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<back\s*space\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(reset\|rewind\|rewrite\|set\|seek\|space\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      I/O on Files (Standard)
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(get\|put\|print\|read\|write\)\%(f\|\s*bin\)\?\>\%(\s*[a-z0-9]\)\@!"
+
+"      I/O on Files (Algol68C)
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(print\|read\)\s*\%(\%(long\s*\)\?long\s*\)\?\%(int\|real\|complex\|bits\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(print\|read\)\s*\%(bool\|char\|string\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<read\s*line\>\%(\s*[a-z0-9]\)\@!"
+
+"      Enquiries on Files
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(get\|put\|bin\|set\|reset\|rewind\|reidf\|draw\)\s*possible\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<end\s*of\s*\%(file\|line\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(make\s*\)\?term\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(compressible\|eof\|eoln\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      Keyboard Control
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cooked\|raw\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      Math Constants
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(long\s*\)\?long\s*\)\?\%(min\s*real\|\%(minus\s*\)\?infinity\|\%(min\s*\)\?inf\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\|[qd]\)\?pi\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<mp\s*radix\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<nan\>\%(\s*[a-z0-9]\)\@!"
+
+"      Math Basic Functions
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\%([a-z0-9]\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\|[qd]\)\?\%(sqrt\|cbrt\|curt\|exp\|ln\|log\)\>\%(\s*[a-z0-9]\)\@!\%(\s\{1,7}[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<ln\s*abs\>\%(\s*[a-z0-9]\)\@!"
+
+"      Math Trigonometric Functions
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\|[qd]\)\?\%(arc\s*\|a\)\?\%(sin\|cos\|tan\|cot\|sec\|csc\|cas\)\%(h\|\%(\s*dg\)\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\|[qd]\)\?\%(arc\s*\|a\)\?tan2\%(\s*dg\)\?\>\%(\s*[a-z0-9]\)\@!"
+  " long-long-sinpi/cospi/tanpi/cotpi
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\|[qd]\)\?\%(sin\|cos\|tan\|cot\)\s*pi\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<ln\s*\%(sinh\|cosh\)\>\%(\s*[a-z0-9]\)\@!"
+  " a special case in Genie?
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<atan\s*int\>\%(\s*[a-z0-9]\)\@!"
+
+"      Random Number Generator
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(long\s*\)\?long\s*\)\?\%(next\s*\)\?random\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<first\s*random\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<rnd\>\%(\s*[a-z0-9]\)\@!"
+
+"      Garbage Collection and Memory
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<collect\s*seconds\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<garbage\%(\s*\%(collections\|freed\|refused\|seconds\)\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<gc\s*heap\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<on\s*gc\s*event\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<preemptive\s*\%(gc\|sweep\%(\s*heap\)\?\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<sweep\s*heap\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<sweeps\%(\s*refused\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(system\s*\)\?\%(heap\|stack\)\s*pointer\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(actual\|system\)\s*stack\s*size\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(blocks\|collections\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      I/O on Strings
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(puts\|gets\|string\)f\?\>\%(\s*[a-z0-9]\)\@!"
+"      Character Type Tests
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<is\s*\%(alnum\|alpha\|cntrl\|digit\|graph\|lower\|print\|punct\|space\|upper\|xdigit\)\>\%(\s*[a-z0-9]\)\@!"
+"      Operations on Characters
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<to\s*\%(upper\|lower\)\>\%(\s*[a-z0-9]\)\@!"
+"      Search in Strings
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(char\|last\s*char\|string\)\s*in\s*string\>\%(\s*[a-z0-9]\)\@!"
+
+"      Time and Date
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cpu\|wall\|utc\|local\)\s*time\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(wall\s*\)\?clock\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(wall\s*\)\?seconds\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<sleep\>\%(\s*[a-z0-9]\)\@!"
+
+"      Type Operations
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(long\s*\)\?\%(bits\|bytes\)\s*pack\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(long\s*long\s*\)\?bits\s*pack\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\%([a-z0-9]\s\+\)\@8<!\<\%(bits\|whole\|fixed\|float\|real\)\>\%(\s*[a-z0-9]\)\@!\%(\s*[a-z0-9]\)\@!"
+
+"      Runtime
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(program\s*\)\?idf\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(backtrace\|break\|debug\|monitor\|abend\|evaluate\|system\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(i32\|i64\|r64\|r128\)mach\>\%(\s*[a-z0-9]\)\@!"
+
+
+"  UNIX EXTENSIONS
+
+"      Environment Functions
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(a68g\s*\)\?\%(argc\|argv\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<get\s*env\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<reset\s*errno\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<str\s*error\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(get\|set\)\s*pwd\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(rows\|columns\|abend\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<errno\>\%(\s*[a-z0-9]\)\@!"
+
+"      Processes
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<execve\%(\s*child\%(\s*pipe\)\?\|\s*output\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<exec\%(\s*sub\%(\s*pipeline\|\s*output\)\?\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<fork\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<wait\s*pid\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<create\s*pipe\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<peek\s*char\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<sig\s*segv\>\%(\s*[a-z0-9]\)\@!"
+
+"      File types and attributes
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<file\s*is\s*\%(block\s*device\|char\s*device\|directory\|regular\|fifo\|link\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<file\s*mode\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<get\s*directory\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<real\s*path\>\%(\s*[a-z0-9]\)\@!"
+
+"      Fetching web page contents and sending requests
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<https\?\s*\%(content\|timeout\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<tcp\s*request\>\%(\s*[a-z0-9]\)\@!"
+
+"      Regular expressions in string manipulation
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<grep\s*in\s*\%(sub\)\?string\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<sub\s*in\s*string\>\%(\s*[a-z0-9]\)\@!"
+
+"      Curses support
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<curses\s*\%(start\|end\|clear\|refresh\|get\s*char\|put\s*char\|move\|lines\|columns\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<curses\s*\%(green\|cyan\|red\|yellow\|magenta\|blue\|white\)\%(\s*inverse\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<curses\s*del\s*char\>\%(\s*[a-z0-9]\)\@!"
+
+
+"  POSTGRESQL CLIENT ROUTINES
+
+"      Connecting to a server
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<pq\s*\%(connect\s*db\|finish\|reset\|parameter\s*status\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      Sending queries and retrieving results
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<pq\s*\%(exec\|ntuples\|nfields\|fname\|fnumber\|fformat\|get\s*is\s*null\|get\s*value\|cmd\s*status\|cmd\s*tuples\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      Connection status information
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<pq\s*\%(\%(result\s*\)\?error\s*message\|db\|user\|pass\|host\|port\|tty\|options\|\%(protocol\|server\)\s*version\|socket\|backend\s*pid\)\>\%(\s*[a-z0-9]\)\@!"
+
+
+"  SOUND
+
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(new\|get\|set\)\s*sound\>\%(\s*[a-z0-9]\)\@!"
+  syn keyword algol68Operator RESOLUTION CHANNELS RATE SAMPLES
+
+
+"  DRAWING USING THE GNU PLOTTING UTILITIES
+
+"      Setting up a graphics device
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<draw\s*\%(device\|erase\|show\|move\|aspect\|fill\s*style\|line\s*style\|line\s*width\|clear\|flush\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<make\s*device\>\%(\s*[a-z0-9]\)\@!"
+
+"      Specifying colours
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<draw\s*\%(\%(background\s*\)\?colou\?r\%(\s*name\)\?\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<draw\s*get\s*colou\?r\s*name\>\%(\s*[a-z0-9]\)\@!"
+
+"      Drawing objects
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<draw\s*\%(point\|line\|rect\|circle\|ball\|star\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      Drawing text
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<draw\s*\%(text\%(\s*angle\)\?\|font\s*\%(name\|size\)\)\>\%(\s*[a-z0-9]\)\@!"
+
+
+"  EXTRA NUMERICAL PROCEDURES
+
+"      COMPLEX Functions
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\|[qd]\)\?c\%(omplex\s*\)\?\%(sqrt\|exp\|ln\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(long\s*\)\?long\s*\)\?complex\s*\%(arc\s*\)\?\%(sin\|cos\|tan\)h\?\>\%(\s*[a-z0-9]\)\@!"
+  " cas casin casinh dcas dcasin dcasinh qcas qcasin qcasinh longcas longlongcas
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\|[dq]\?\)ca\?\%(sin\|cos\|tan\)h\?\>\%(\s*[a-z0-9]\)\@!"
+  " a special case in Genie?
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<long\s*complex\s*atanh\>\%(\s*[a-z0-9]\)\@!"
+
+"      REAL Airy Functions
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<airy\s*[ab]i\%(\s*deriv\)\?\%(\s*scaled\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<airy\s*[ab]i\%(\s*derivative\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<airy\s*zero\s*[ab]i\%(\s*deriv\)\?\>\%(\s*[a-z0-9]\)\@!"
+
+"      REAL Bessel Functions
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(jn\|yn\|in\|exp\s*in\|kn\|exp\s*kn\|jl\|yl\|exp\s*il\|exp\s*kl\|jnu\|ynu\|inu\|exp\s*inu\|knu\|exp\s*knu\)\>\%(\s*[a-z0-9]\)\@!"
+
+  " only a few could be sensibly merged; we keep them apart
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(il[012]\?\s*scaled\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(in[01]\%(\s*scaled\)\?\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(in\s*u\?\s*scaled\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(j\%(\l[012]\|n[01]\)\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(kl[012]\?\s*scaled\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(kn[01]\%(\s*scaled\)\?\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(kn\s*[u_]\?\s*scaled\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*ln\s*knu\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(y\%(\l[012]\|n[01]\)\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*zero\s*j\%([01]\|nu\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      REAL Elliptic Integrals
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<elliptic\s*integral\s*\%(k\|e\|rf\<rd\|rj\|rc\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      REAL Error and Gamma Functions
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(ln\s*\)\?\%(fact\|choose\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<prime\s*factors\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\|[qd]\)\?\%(inv\%(erse\)\?\s*\)\?erfc\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<mpfr\s*\%(\%(\%(long\s*\)\?long\s*\)\|q\)\?\%(inv\s*\)\?erfc\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(\%(mpfr\s*\)\?long\s*\)\?long\s*\)\|\%(d\|\%(mpfr\s*\)\?q\)\)\?\%(beta\|gamma\)\%(\s*inc\s*g\?f\?\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<beta\s*inc\s*gsl\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(\%(mpfr\s*\)\?long\s*\)\?long\s*\)\|\%(d\|\%(mpfr\s*\)\?q\)\)\?ln\s*\%(beta\|gamma\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<mpfr\s*mp\>\%(\s*[a-z0-9]\)\@!"
+  " is the following a special case in Genie?
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<mpfr\s*\%(long\s*\|d\)gamma\s*inc\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "gamma\s*\%(\%(inc\s*\%(gsl\|[pq]\)\)\|inv\|star\)\>\%(\s*\%([a-z_]\|\l\d\+\)\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<lj[ef]\s*126\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<ln1p\>\%(\s*[a-z0-9]\)\@!"
+
+
+
+"      Scaling Factors
+
+  " strangely missing some common factors (hecto, deca, deci, centi),
+  " also myria, and the more extreme factors (quetta, ronna, ronto, quecto)
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<num\s*\%(yotta\|zetta\|exa\|peta\|tera\|giga\|mega\|kilo\|milli\|micro\|nano\|pico\|femto\|atto\|zepto\|yocto\)\>\%(\s*[a-z0-9]\)\@!"
+
+
+"      Physical Constants
+
+"          Fundamental Constants
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(boltzmann\|faraday\|gauss\|hectare\|\%(kilometers\|miles\)\s*per\s*hour\|micron\|molar\s*gas\|planck\s*constant\%(\s*bar\)\?\|speed\s*of\s*light\|standard\s*gas\s*volume\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<mksa\s*vacuum\s*\%(permeability\|permittivity\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<num\s*avogadro\>\%(\s*[a-z0-9]\)\@!"
+
+"          Astronomy and Astrophysics
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(astronomical\s*unit\|grav\s*accel\|gravitational\s*constant\|light\s*year\|parsec\|solar\s*mass\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Atomic and Nuclear Physics
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(angstrom\|barn\|bohr\s*magneton\|bohr\s*radius\|electron\s*\%(charge\|magnetic\s*moment\|volt\)\|mass\s*\%(electron\|muon\|neutron\|proton\)\|nuclear\s*magneton\|proton\s*magnetic\s*moment\|rydberg\|unified\s*atomic\s*mass\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<num\s*fine\s*structure\>\%(\s*[a-z0-9]\)\@!"
+
+"          Time
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(day\|hour\|minute\|week\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Imperial units
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(foot\|inch\|mil\|mile\|yard\|\%(tex\)\?point\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Nautical units
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(fathom\|knot\|nautical\s*mile\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Volume
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(acre\|\%(canadian\|uk\|us\)\s*gallon\|liter\|pint\|quart\|cup\|fluid\s*ounce\|\%(table\|tea\)\s*spoon\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Mass and weight
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(carat\|\%(gram\|\%(kilo\s*\)\?pound\)\s*force\|\%(metric\s*\|uk\s*\)\?ton\|\%(ounce\|pound\)\s*mass\|poundal\|troy\s*ounce\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Thermal energy and power
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(btu\|calorie\|horsepower\|therm\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Pressure
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(bar\|inch\s*of\s*\%(mercury\|water\)\|meter\s*of\s*mercury\|psi\|std\s*atmosphere\|torr\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Viscosity
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(poise\|stokes\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Light and illumination
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(foot\s*candle\|foot\s*lambert\|lambert\|lumen\|lux\|phot\|stilb\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Radioactivity
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(curie\|rad\|roentgen\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Force and energy
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(dyne\|erg\|joule\|newton\)\>\%(\s*[a-z0-9]\)\@!"
+
+
+" Functions from GSL
+
+  syn keyword algol68Operator	CV RV T INV PINV MEAN DET TRACE NORM DYAD BEFORE ABOVE
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<angle\s*restrict\s*\%(pos\|symm\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<conical\s*p\s*\%([01]\|cylreg\|m\?half\|sph\s*reg\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<cholesky\s*\%(decomp\|solve\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<debye\s*[1-6]\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<ellint\s*\%([defp]\|[ekp]\s*comp\|r[cdfj]\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(expint\s*\%(3\|e[12in]\)\|expm1\|exprel[2n]\?\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<fermi\s*dirac\s*\%([012]\|3\?half\|inc0\|int\|m1\|mhalf\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<fft\s*\%(complex\s*\)\?\%(forward\|backward\|inverse\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(gegenpoly\|laguerre\)\s*[123n]\s*real\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<lambert\s*\%(w0\|wm1\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<legendre\s*\%(h3d\%([01]\)\?\|p[123l]\|q[01l]\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<pseudo\s*inv\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<psi\s*\%(1\%(\s*int\|\s*piy\)\?\|int\|n\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<synchrotron\s*[12]\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<taylor\s*coeff\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<transport\s*[2-5]\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<zeta\%(\s*m1\)\?\%(\s*int\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(chi\|ci\|clausen\|dawson\|digamma\|dilog\|\%(ln\s*\)\?doublefact\|eta\|eta\s*int\|hermite\s*func\|hypot\|hzeta\|laplace\|shi\|si\|sinc\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<ln1\s*\%(plusx\%(mx\)\?\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(compl\s*\)\?\%(matrix\|vector\)\s*echo\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<print\s*\%(matrix\|vector\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(complex\s*\)\?lu\s*\%(decomp\|det\|inv\|solve\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<left\s*columns\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(ols\|tls\|pcacv\|pcasvd\|pcr\|pls[12]\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(ln\s*poch\|poch\s*\%(rel\)\?\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<qr\s*\%(decomp\|\%(ls\s*\)\?solve\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<svd\s*\%(decomp\|solve\)\>\%(\s*[a-z0-9]\)\@!"
+
+
+" Functions from R Mathlib
+
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<r\s*[dpqr]n\?\s*binom\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<r\s*\%(di\|tri\|tetra\|penta\|psi\)\s*gamma\>\%(\s*[a-z0-9]\)\@!"
+  " note: Genie documents 'r rn chisq' but it's missing in the code?
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<r\s*[dpqr]n\?\s*chisq\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<r\s*[dpqr]\%(\s*n\)\?\s*f\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<r\s*[dpq]\%(\s*n\)\?\s*t\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<r\s*[dpqr]\s*\%(l\s*\)\?norm\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<r\s*[dpqr]\s*\%(beta\|cauchy\|exp\|geom\|hyper\|logis\|pois\|sign\s*rank\|t\|unif\|weibull\|wilcox\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<r\s*[pq]\s*tu\s*key\>\%(\s*[a-z0-9]\)\@!"
+
+
+endif
+
+" Define the default highlighting.
+hi def link algol68Boolean		Boolean
+hi def link algol68Comment		Comment
+hi def link algol68Conditional		Conditional
+hi def link algol68Constant		Constant
+hi def link algol68Float		Float
+hi def link algol68Function		Function
+hi def link algol68Label		Label
+hi def link algol68MatrixDelimiter	Identifier
+hi def link algol68HexNumber		Number
+hi def link algol68Number		Number
+hi def link algol68Operator		Operator
+hi def link algol68Predefined		Identifier
+hi def link algol68PreProc		PreProc
+hi def link algol68Repeat		Repeat
+hi def link algol68SpaceError		Error
+hi def link algol68Statement		Statement
+hi def link algol68String		String
+hi def link algol68StringEscape		Special
+hi def link algol68Struct		algol68Statement
+hi def link algol68SymbolOperator	algol68Operator
+hi def link algol68Todo			Todo
+hi def link algol68Type			Type
+hi def link algol68ShowTab		Error
+
+let b:current_syntax = "algol68"
+
+" vim: ts=8 sw=2

runtime/syntax/autohotkey.vim

@@ -3,6 +3,8 @@
 " Maintainer:       Michael Wong
 "                   https://github.com/mmikeww/autohotkey.vim
 " Latest Revision:  2022-07-25
+" Last Change:
+" 2026 Apr 20 by Vim project: remove wrong oneline keyword #20018
 " Previous Maintainers:       SungHyun Nam <goweol@gmail.com>
 "                             Nikolai Weibull <now@bitwi.se>
 
@@ -35,7 +37,6 @@ syn region autohotkeyString
 
 syn match autohotkeyVariable
       \ display
-      \ oneline
       \ contains=autohotkeyBuiltinVariable
       \ keepend
       \ '%\S\{-}%'
@@ -123,7 +124,7 @@ syn keyword autohotkeyCommand
 
 syn keyword autohotkeyFunction
       \ InStr RegExMatch RegExReplace StrLen SubStr Asc Chr Func
-      \ DllCall VarSetCapacity WinActive WinExist IsLabel OnMessage 
+      \ DllCall VarSetCapacity WinActive WinExist IsLabel OnMessage
       \ Abs Ceil Exp Floor Log Ln Mod Round Sqrt Sin Cos Tan ASin ACos ATan
       \ FileExist GetKeyState NumGet NumPut StrGet StrPut RegisterCallback
       \ IsFunc Trim LTrim RTrim IsObject Object Array FileOpen

runtime/syntax/cabal.vim

@@ -5,8 +5,10 @@
 " Previous Maintainer:	Vincent Berthoux <twinside@gmail.com>
 " File Types:   .cabal
 " Last Change:  22 Oct 2022
+" 2026 Apr 20 by Vim project: remove wrong oneline keyword #20018
+"
 " v1.6: Added support for foreign-libraries
-"       Added highlighting for various fields 
+"       Added highlighting for various fields
 " v1.5: Incorporated changes from
 "       https://github.com/sdiehl/haskell-vim-proto/blob/master/vim/syntax/cabal.vim
 "       Use `syn keyword` instead of `syn match`.
@@ -25,7 +27,7 @@
 "       Cabal known compiler are highlighted too.
 "
 " V1.2: Added cpp-options which was missing. Feature implemented
-"       by GHC, found with a GHC warning, but undocumented. 
+"       by GHC, found with a GHC warning, but undocumented.
 "       Whatever...
 "
 " v1.1: Fixed operator problems and added ftdetect file
@@ -186,7 +188,7 @@ syn match cabalVersionRegionA
 	\ contains=cabalVersionOperator,cabalVersion
 	\ keepend
 	\ /\%(==\|\^\?>=\|<=\|<\|>\)\s*\d\+\%(\.\d\+\)*\%(\.\*\)\?\>/
-" version inside `version: ...` 
+" version inside `version: ...`
 syn match cabalVersionRegionB
 	\ contains=cabalStatementRegion,cabalVersionOperator,cabalVersion
 	\ /^\s*\%(cabal-\)\?version\s*:.*$/
@@ -198,7 +200,6 @@ syn match cabalName contained /:\@<=.*/
 syn match cabalNameRegion
 	\ contains=cabalStatementRegion,cabalName
 	\ nextgroup=cabalStatementRegion
-	\ oneline
 	\ /^\c\s*name\s*:.*$/
 
 " author region
@@ -206,7 +207,6 @@ syn match cabalAuthor contained /:\@<=.*/
 syn match cabalAuthorRegion
 	\ contains=cabalStatementRegion,cabalStatement,cabalAuthor
 	\ nextgroup=cabalStatementRegion
-	\ oneline
 	\ /^\c\s*author\s*:.*$/
 
 " maintainer region
@@ -214,7 +214,6 @@ syn match cabalMaintainer contained /:\@<=.*/
 syn match cabalMaintainerRegion
 	\ contains=cabalStatementRegion,cabalStatement,cabalMaintainer
 	\ nextgroup=cabalStatementRegion
-	\ oneline
 	\ /^\c\s*maintainer\s*:.*$/
 
 " license region
@@ -222,7 +221,6 @@ syn match cabalLicense contained /:\@<=.*/
 syn match cabalLicenseRegion
 	\ contains=cabalStatementRegion,cabalStatement,cabalLicense
 	\ nextgroup=cabalStatementRegion
-	\ oneline
 	\ /^\c\s*license\s*:.*$/
 
 " license-file region
@@ -230,7 +228,6 @@ syn match cabalLicenseFile contained /:\@<=.*/
 syn match cabalLicenseFileRegion
 	\ contains=cabalStatementRegion,cabalStatement,cabalLicenseFile
 	\ nextgroup=cabalStatementRegion
-	\ oneline
 	\ /^\c\s*license-file\s*:.*$/
 
 " tested-with region with compilers and versions
@@ -238,7 +235,6 @@ syn keyword cabalCompiler contained ghc nhc yhc hugs hbc helium jhc lhc
 syn match cabalTestedWithRegion
 	\ contains=cabalStatementRegion,cabalStatement,cabalCompiler,cabalVersionRegionA
 	\ nextgroup=cabalStatementRegion
-	\ oneline
 	\ /^\c\s*tested-with\s*:.*$/
 
 " build type keywords

runtime/syntax/dockerfile.vim

@@ -1,6 +1,7 @@
 " dockerfile.vim - Syntax highlighting for Dockerfiles
 " Maintainer:   Honza Pokorny <https://honza.ca>
 " Last Change:  2024 Dec 20
+"               2026 Mar 26 by Vim Project: dockerfileShell comments (#19829)
 " License:      BSD
 
 " https://docs.docker.com/engine/reference/builder/
@@ -31,7 +32,7 @@ syntax match dockerfileInstruction contained /\v<(SHELL|VOLUME)>/
 
 syntax region dockerfileString contained start=/\v"/ skip=/\v\\./ end=/\v"/
 syntax region dockerfileJSON   contained keepend start=/\v\[/ skip=/\v\\\_./ end=/\v$/ contains=@JSON
-syntax region dockerfileShell  contained keepend start=/\v/ skip=/\v\\\_./ end=/\v$/ contains=@Shell
+syntax region dockerfileShell  contained keepend start=/\v/ skip=/\v\\\_.|^\s*#.*/ end=/\v$/ contains=@Shell
 syntax region dockerfileValue  contained keepend start=/\v/ skip=/\v\\\_./ end=/\v$/ contains=dockerfileString
 
 syntax region dockerfileComment start=/\v^\s*#/ end=/\v$/ contains=@Spell

runtime/syntax/generator/vim.vim.base

@@ -1860,10 +1860,11 @@ syn keyword	vimSynType		contained	include	skipwhite nextgroup=vimSynIncludeClust
 syn match	vimSynIncludeCluster	contained	"@[_a-zA-Z0-9]\+\>"
 
 " Syntax: keyword {{{2
-syn cluster	vimSynKeyGroup	contains=@vimContinue,vimSynCchar,vimSynNextgroup,vimSynKeyOpt,vimSynContainedin
+syn cluster	vimSynKeyGroup	contains=@vimContinue,vimSynCchar,vimSynNextgroup,vimSynKeyOpt,vimSynContainedin,vimSynKeyError
 syn keyword	vimSynType	contained	keyword	skipwhite nextgroup=vimSynKeyRegion
 syn region	vimSynKeyRegion	contained         keepend	matchgroup=vimGroupName start="\h\w*\>" skip=+\\\\\|\\|\|\n\s*\%(\\\|"\\ \)+ matchgroup=vimCmdSep end="|\|$" contains=@vimSynKeyGroup
 syn match	vimSynKeyOpt	contained	"\%#=1\<\%(conceal\|contained\|transparent\|skipempty\|skipwhite\|skipnl\)\>"
+syn match	vimSynKeyError	contained	"\<oneline\>"
 
 " Syntax: match {{{2
 syn cluster	vimSynMtchGroup	contains=@vimContinue,vimSynCchar,vimSynContains,vimSynContainedin,vimSynError,vimSynMtchOpt,vimSynNextgroup,vimSynRegPat,vimNotation,vimMtchComment
@@ -2431,6 +2432,7 @@ if !exists("skip_vim_syntax_inits")
   hi def link vimSyncError	vimError
   hi def link vimSynConcealError	vimError
   hi def link vimSynError	vimError
+  hi def link vimSynKeyError	vimError
   hi def link vimSynFoldlevelError	vimError
   hi def link vimSynIskeywordError	vimError
   hi def link vimSynSpellError	vimError

runtime/syntax/graphql.vim

@@ -4,7 +4,7 @@
 " Filenames:	*.graphql *.graphqls *.gql
 " URL:		https://github.com/jparise/vim-graphql
 " License:	MIT <https://opensource.org/license/mit>
-" Last Change:	2024 Dec 21
+" Last Change:	2026 Apr 21
 
 if !exists('main_syntax')
   if exists('b:current_syntax')
@@ -26,8 +26,13 @@ syn match graphqlOperator   "\M..." display
 syn keyword graphqlBoolean  true false
 syn keyword graphqlNull     null
 syn match   graphqlNumber   "-\=\<\%(0\|[1-9]\d*\)\%(\.\d\+\)\=\%([eE][-+]\=\d\+\)\=\>" display
-syn region  graphqlString   start=+"+  skip=+\\\\\|\\"+  end=+"\|$+
-syn region  graphqlString   start=+"""+ skip=+\\"""+ end=+"""+
+syn region  graphqlString   start=+"+  skip=+\\\\\|\\"+  end=+"\|$+  contains=graphqlEscape
+syn region  graphqlString   start=+"""+ skip=+\\"""+ end=+"""+  contains=graphqlEscape
+
+syn match   graphqlEscape   +\\["\\/bfnrt]+ contained display
+syn match   graphqlEscape   +\\u\x\{4}+     contained display
+syn match   graphqlEscape   +\\u{\x\+}+     contained display
+syn match   graphqlEscape   +\\""\"+        contained display
 
 syn keyword graphqlKeyword repeatable nextgroup=graphqlKeyword skipwhite
 syn keyword graphqlKeyword on nextgroup=graphqlType,graphqlDirectiveLocation skipwhite
@@ -45,11 +50,11 @@ syn match graphqlVariable   "\<\$\h\w*\>"  display
 syn match graphqlName       "\<\h\w*\>"    display
 syn match graphqlType       "\<_*\u\w*\>"  display
 
-" https://spec.graphql.org/October2021/#ExecutableDirectiveLocation
+" https://spec.graphql.org/September2025/#ExecutableDirectiveLocation
 syn keyword graphqlDirectiveLocation QUERY MUTATION SUBSCRIPTION FIELD
 syn keyword graphqlDirectiveLocation FRAGMENT_DEFINITION FRAGMENT_SPREAD
 syn keyword graphqlDirectiveLocation INLINE_FRAGMENT VARIABLE_DEFINITION
-" https://spec.graphql.org/October2021/#TypeSystemDirectiveLocation
+" https://spec.graphql.org/September2025/#TypeSystemDirectiveLocation
 syn keyword graphqlDirectiveLocation SCHEMA SCALAR OBJECT FIELD_DEFINITION
 syn keyword graphqlDirectiveLocation ARGUMENT_DEFINITION INTERFACE UNION
 syn keyword graphqlDirectiveLocation ENUM ENUM_VALUE INPUT_OBJECT
@@ -73,6 +78,7 @@ hi def link graphqlBoolean          Boolean
 hi def link graphqlNull             Keyword
 hi def link graphqlNumber           Number
 hi def link graphqlString           String
+hi def link graphqlEscape           Special
 
 hi def link graphqlDirective        PreProc
 hi def link graphqlDirectiveLocation Special

runtime/syntax/javascript.vim

@@ -1,18 +1,12 @@
 " Vim syntax file
-" Language:	JavaScript
-" Maintainer:	Claudio Fleiner <claudio@fleiner.com>
-" Updaters:	Scott Shattuck (ss) <ss@technicalpursuit.com>
-" URL:		http://www.fleiner.com/vim/syntax/javascript.vim
-" Changes:	(ss) added keywords, reserved words, and other identifiers
-"		(ss) repaired several quoting and grouping glitches
-"		(ss) fixed regex parsing issue with multiple qualifiers [gi]
-"		(ss) additional factoring of keywords, globals, and members
-" Last Change:	2022 Jun 09
-" 		2013 Jun 12: adjusted javaScriptRegexpString (Kevin Locke)
-" 		2018 Apr 14: adjusted javaScriptRegexpString (LongJohnCoder)
-" 		2024 Aug 14: fix a few stylistic issues (#15480)
-" 		2025 Aug 07: as is a reserved keyword (#17912)
-" 		2025 Sep 24: using is a reserved keyword (Devin Weaver)
+" Language:		JavaScript
+" Maintainer:		This runtime file is looking for a maintainer.
+" Previous Maintainer:	Claudio Fleiner <claudio@fleiner.com>
+" Contributors:		Scott Shattuck <ss@technicalpursuit.com>
+" 			Kevin Locke
+" 			LongJohnCoder
+" 			Devin Weaver
+" Last Change:		2026 Apr 26
 
 " tuning parameters:
 " unlet javaScript_fold
@@ -52,7 +46,14 @@ syn match   javaScriptNumber           "\<\d\+\(_\d\+\)*[eE][+-]\?\d\+\>"
 syn match   javaScriptNumber           "\<[1-9]\d*\(_\d\+\)*\(\.\(\d\+\(_\d\+\)*\([eE][+-]\?\d\+\)\?\)\?\)\?\>"
 syn match   javaScriptNumber           "\<\(\d\+\(_\d\+\)*\)\?\.\d\+\(_\d\+\)*\([eE][+-]\?\d\+\)\?\>"
 syn match   javaScriptNumber           "\<\d\+\(_\d\+\)*\.\(\d\+\(_\d\+\)*\([eE][+-]\?\d\+\)\?\)\?\>"
-syn region  javaScriptRegexpString     start=+[,(=+]\s*/[^/*]+ms=e-1,me=e-1 skip=+\\\\\|\\/+ end=+/[gimuys]\{0,2\}\s*$+ end=+/[gimuys]\{0,2\}\s*[+;.,)\]}]+me=e-1 end=+/[gimuys]\{0,2\}\s\+\/+me=e-1 contains=@htmlPreproc,javaScriptComment oneline
+syn region  javaScriptRegexpString
+      \ start=+\%([,(=+]\s*\)\@8<=/[^/*]+
+      \ skip=+\\\\\|\\/+
+      \ end=+/[dgimsuvy]\{0,7\}\ze\s*$+
+      \ end=+/[dgimsuvy]\{0,7\}\ze\s*[+;.,)\]}]+
+      \ end=+/[dgimsuvy]\{0,7\}\ze\s\+\/+
+      \ contains=@htmlPreproc,javaScriptComment
+      \ oneline
 
 syn keyword javaScriptConditional	if else switch
 syn keyword javaScriptRepeat		while for do in of

runtime/syntax/monk.vim

@@ -2,6 +2,7 @@
 " Language: Monk (See-Beyond Technologies)
 " Maintainer: Mike Litherland <litherm@ccf.org>
 " Last Change: 2012 Feb 03 by Thilo Six
+" 2026 Apr 20 by Vim project: remove wrong oneline keyword #20018
 
 " This syntax file is good enough for my needs, but others
 " may desire more features.  Suggestions and bug reports
@@ -33,8 +34,8 @@ syn case ignore
 
 " Fascist highlighting: everything that doesn't fit the rules is an error...
 
-syn match	monkError	oneline    ![^ \t()";]*!
-syn match	monkError	oneline    ")"
+syn match	monkError	![^ \t()";]*!
+syn match	monkError	")"
 
 " Quoted and backquoted stuff
 
@@ -131,51 +132,51 @@ syn keyword monkFunc valid-integer? verify-type
 " using variables is a day's work for a trained secretary...
 " This is a useful lax approximation:
 
-syn match	monkNumber	oneline    "[-#+0-9.][-#+/0-9a-f@i.boxesfdl]*"
-syn match	monkError	oneline    ![-#+0-9.][-#+/0-9a-f@i.boxesfdl]*[^-#+/0-9a-f@i.boxesfdl \t()";][^ \t()";]*!
+syn match	monkNumber	"[-#+0-9.][-#+/0-9a-f@i.boxesfdl]*"
+syn match	monkError	![-#+0-9.][-#+/0-9a-f@i.boxesfdl]*[^-#+/0-9a-f@i.boxesfdl \t()";][^ \t()";]*!
 
-syn match	monkOther	oneline    ![+-][ \t()";]!me=e-1
-syn match	monkOther	oneline    ![+-]$!
+syn match	monkOther	![+-][ \t()";]!me=e-1
+syn match	monkOther	![+-]$!
 " ... so that a single + or -, inside a quoted context, would not be
 " interpreted as a number (outside such contexts, it's a monkFunc)
 
-syn match	monkDelimiter	oneline    !\.[ \t()";]!me=e-1
-syn match	monkDelimiter	oneline    !\.$!
+syn match	monkDelimiter	!\.[ \t()";]!me=e-1
+syn match	monkDelimiter	!\.$!
 " ... and a single dot is not a number but a delimiter
 
 " Simple literals:
 
-syn match	monkBoolean	oneline    "#[tf]"
-syn match	monkError	oneline    !#[tf][^ \t()";]\+!
+syn match	monkBoolean	"#[tf]"
+syn match	monkError	!#[tf][^ \t()";]\+!
 
-syn match	monkChar	oneline    "#\\"
-syn match	monkChar	oneline    "#\\."
-syn match	monkError	oneline    !#\\.[^ \t()";]\+!
-syn match	monkChar	oneline    "#\\space"
-syn match	monkError	oneline    !#\\space[^ \t()";]\+!
-syn match	monkChar	oneline    "#\\newline"
-syn match	monkError	oneline    !#\\newline[^ \t()";]\+!
+syn match	monkChar	"#\\"
+syn match	monkChar	"#\\."
+syn match	monkError	!#\\.[^ \t()";]\+!
+syn match	monkChar	"#\\space"
+syn match	monkError	!#\\space[^ \t()";]\+!
+syn match	monkChar	"#\\newline"
+syn match	monkError	!#\\newline[^ \t()";]\+!
 
 " This keeps all other stuff unhighlighted, except *stuff* and <stuff>:
 
-syn match	monkOther	oneline    ,[a-z!$%&*/:<=>?^_~][-a-z!$%&*/:<=>?^_~0-9+.@]*,
-syn match	monkError	oneline    ,[a-z!$%&*/:<=>?^_~][-a-z!$%&*/:<=>?^_~0-9+.@]*[^-a-z!$%&*/:<=>?^_~0-9+.@ \t()";]\+[^ \t()";]*,
+syn match	monkOther	,[a-z!$%&*/:<=>?^_~][-a-z!$%&*/:<=>?^_~0-9+.@]*,
+syn match	monkError	,[a-z!$%&*/:<=>?^_~][-a-z!$%&*/:<=>?^_~0-9+.@]*[^-a-z!$%&*/:<=>?^_~0-9+.@ \t()";]\+[^ \t()";]*,
 
-syn match	monkOther	oneline    "\.\.\."
-syn match	monkError	oneline    !\.\.\.[^ \t()";]\+!
+syn match	monkOther	"\.\.\."
+syn match	monkError	!\.\.\.[^ \t()";]\+!
 " ... a special identifier
 
-syn match	monkConstant	oneline    ,\*[-a-z!$%&*/:<=>?^_~0-9+.@]*\*[ \t()";],me=e-1
-syn match	monkConstant	oneline    ,\*[-a-z!$%&*/:<=>?^_~0-9+.@]*\*$,
-syn match	monkError	oneline    ,\*[-a-z!$%&*/:<=>?^_~0-9+.@]*\*[^-a-z!$%&*/:<=>?^_~0-9+.@ \t()";]\+[^ \t()";]*,
+syn match	monkConstant	,\*[-a-z!$%&*/:<=>?^_~0-9+.@]*\*[ \t()";],me=e-1
+syn match	monkConstant	,\*[-a-z!$%&*/:<=>?^_~0-9+.@]*\*$,
+syn match	monkError	,\*[-a-z!$%&*/:<=>?^_~0-9+.@]*\*[^-a-z!$%&*/:<=>?^_~0-9+.@ \t()";]\+[^ \t()";]*,
 
-syn match	monkConstant	oneline    ,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>[ \t()";],me=e-1
-syn match	monkConstant	oneline    ,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>$,
-syn match	monkError	oneline    ,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>[^-a-z!$%&*/:<=>?^_~0-9+.@ \t()";]\+[^ \t()";]*,
+syn match	monkConstant	,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>[ \t()";],me=e-1
+syn match	monkConstant	,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>$,
+syn match	monkError	,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>[^-a-z!$%&*/:<=>?^_~0-9+.@ \t()";]\+[^ \t()";]*,
 
 " Monk input and output structures
-syn match	monkSyntax	oneline    "\(\~input\|\[I\]->\)[^ \t]*"
-syn match	monkFunc	oneline    "\(\~output\|\[O\]->\)[^ \t]*"
+syn match	monkSyntax	"\(\~input\|\[I\]->\)[^ \t]*"
+syn match	monkFunc	"\(\~output\|\[O\]->\)[^ \t]*"
 
 " Non-quoted lists, and strings:
 

runtime/syntax/sh.vim

@@ -24,6 +24,7 @@
 "		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
 " }}}
 " Version:		208
 " Former URL:		http://www.drchip.org/astronaut/vim/index.html#SYNTAX_SH
@@ -751,13 +752,15 @@ endif
 if exists("b:is_bash")
     syn region shDeref	matchgroup=PreProc start="\${!" end="\*\=}"	contains=@shDerefList,shDerefOffset
     syn match  shDerefVar	contained	"{\@<=!\h\w*"		nextgroup=@shDerefVarList
+    syn match  shDerefSpecial	contained	"\({!\)\@<=[[:alnum:]*#@_]\+"	nextgroup=@shDerefVarList,shDerefOp
 endif
 if (exists("b:is_kornshell") && !exists("b:is_ksh88"))
     syn match  shDerefVar	contained	"{\@<=!\h\w*[[:alnum:]_.]*"	nextgroup=@shDerefVarList
+    syn match  shDerefSpecial	contained	"\({!\)\@<=[[:alnum:]*#@_]\+"	nextgroup=@shDerefVarList,shDerefOp
 endif
 
 syn match  shDerefSpecial	contained	"{\@<=[-*@?0]"		nextgroup=shDerefOp,shDerefOffset,shDerefOpError
-syn match  shDerefSpecial	contained	"\({[#!]\)\@<=[[:alnum:]*@_]\+"	nextgroup=@shDerefVarList,shDerefOp
+syn match  shDerefSpecial	contained	"\({[#]\)\@<=[[:alnum:]*@_]\+"	nextgroup=@shDerefVarList,shDerefOp
 syn match  shDerefVar	contained	"{\@<=\h\w*"		nextgroup=@shDerefVarList
 syn match  shDerefVar	contained	'\d'                            nextgroup=@shDerefVarList
 if exists("b:is_kornshell") || exists("b:is_posix")

runtime/syntax/shared/typescriptcommon.vim

@@ -306,13 +306,13 @@ syntax keyword typescriptRepeat                do while for nextgroup=typescript
 syntax keyword typescriptRepeat                for nextgroup=typescriptLoopParen,typescriptAsyncFor skipwhite skipempty
 syntax keyword typescriptBranch                break continue containedin=typescriptBlock
 syntax keyword typescriptCase                  case nextgroup=@typescriptPrimitive skipwhite containedin=typescriptBlock
-syntax keyword typescriptDefault               default containedin=typescriptBlock nextgroup=@typescriptValue,typescriptClassKeyword,typescriptInterfaceKeyword skipwhite oneline
+syntax keyword typescriptDefault               default containedin=typescriptBlock nextgroup=@typescriptValue,typescriptClassKeyword,typescriptInterfaceKeyword skipwhite
 syntax keyword typescriptStatementKeyword      with
 syntax keyword typescriptStatementKeyword      yield skipwhite nextgroup=@typescriptValue containedin=typescriptBlock
 
 syntax keyword typescriptTry                   try
 syntax keyword typescriptExceptions            throw finally
-syntax keyword typescriptExceptions            catch nextgroup=typescriptCall skipwhite skipempty oneline
+syntax keyword typescriptExceptions            catch nextgroup=typescriptCall skipwhite skipempty
 syntax keyword typescriptDebugger              debugger
 
 syntax keyword typescriptAsyncFor              await nextgroup=typescriptLoopParen skipwhite skipempty contained
@@ -1766,9 +1766,9 @@ endif
 " patch
 " patch for generated code
 syntax keyword typescriptGlobal Promise
-  \ nextgroup=typescriptGlobalPromiseDot,typescriptFuncCallArg,typescriptTypeArguments oneline
+  \ nextgroup=typescriptGlobalPromiseDot,typescriptFuncCallArg,typescriptTypeArguments
 syntax keyword typescriptGlobal Map WeakMap
-  \ nextgroup=typescriptGlobalPromiseDot,typescriptFuncCallArg,typescriptTypeArguments oneline
+  \ nextgroup=typescriptGlobalPromiseDot,typescriptFuncCallArg,typescriptTypeArguments
 
 syntax keyword typescriptConstructor           contained constructor
   \ nextgroup=@typescriptCallSignature

runtime/syntax/testdir/dumps/algol68_all_preludes_00.dump

@@ -0,0 +1,20 @@
+>#+0#0000e05#ffffff0| +0#0000000&@73
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+|#+0#0000e05&| +0#0000000&@73
+|#+0#0000e05&| +0#0000000&@73
+| +0#0000e05&@3|A|l|g|o|l| |6|8| |p|r|e|l|u|d|e| |i|d|e|n|t|i|f|i|e|r| |f|r|o|m| |t|h|e| |G|e|n|i|e| |s|o|u|r|c|e| |c|o|d|e| |f|i|l|e|s|.| +0#0000000&@9
+| +0#0000e05&@3| +0#0000000&@70
+| +0#0000e05&@3|P|r|o|v|i|d|e|d| |a|s| |a| |b|a|s|e| |t|o| |v|e|r|i|f|y| |t|h|e| |c|o|r@1|e|c|t| |s|y|n|t|a|x| |h|i|g|h|l|i|g|h|t|i|n|g| +0#0000000&@10
+| +0#0000e05&@3|o|f| |t|h|e| |a|l|g|o|l|6|8|.|v|i|m| |s|y|n|t|a|x| |f|i|l|e| |f|o|r| |t|h|e| |V|i|m| |e|d|i|t|o|r|.| +0#0000000&@20
+| +0#0000e05&@3| +0#0000000&@70
+| +0#0000e05&@3|T|h|e|r|e|'|s| |f|o|u|r| |s|e|c|t|i|o|n|s|,| |e|a|c|h| |r|e|p|r|e|s|e|n|t|i|n|g| |a|n| |o|r|i|g|i|n|a|l| |f|i|l|e|,| +0#0000000&@12
+| +0#0000e05&@3|t|h|a|t| |a|r|e| |e|n|c|l|o|s|e|d| |i|n| |t|h|e| |U|n|i|x|-|'|m|o|r|e|'| |f|o|r|m| |t|o| |s|t|a|n|d| |o|u|t|.| +0#0000000&@15
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+| +0#0000e05&@3|a| |c|o|m@1|e|n|t| |i|n| |A|l|g|o|l| |6|8| |s|y|n|t|a|x|.| +0#0000000&@41
+| +0#0000e05&@3| +0#0000000&@70
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+| +0#0000e05&@3|c|o|m@1|e|n|t| |a|s@1|o|c|i|a|t|e|d| |w|i|t|h| |t|h|e|m|.| +0#0000000&@41
+| +0#0000e05&@3| +0#0000000&@70
+@57|1|,|1| @10|T|o|p| 

runtime/syntax/testdir/dumps/algol68_all_preludes_01.dump

@@ -0,0 +1,20 @@
+| +0#0000e05#ffffff0@3|a| |c|o|m@1|e|n|t| |i|n| |A|l|g|o|l| |6|8| |s|y|n|t|a|x|.| +0#0000000&@41
+| +0#0000e05&@3| +0#0000000&@70
+| +0#0000e05&@3|D|e|p|e|n|d|i|n|g| |o|n| |t|h|e| |l|a|n|g|u|a|g|e| |c|o|n|t|e|x|t| |t|h|e|r|e|'|s| |d|u|p|l|i|c|a|t|e|s| |i|n| |t|h|e| +0#0000000&@11
+| +0#0000e05&@3|l|i|s|t|,| |t|h|a|t| |a|r|e| |k|e|p|t| |f|o|r| |c|l|a|r|i|t|y| |g|i|v|e|n| |t|h|e| |a|s@1|o|c|i|a|t|e|d| |i|n|f|o|r|m|a|l| +0#0000000&@9
+| +0#0000e05&@3|c|o|m@1|e|n|t| |a|s@1|o|c|i|a|t|e|d| |w|i|t|h| |t|h|e|m|.| +0#0000000&@41
+| +0#0000e05&@2> | +0#0000000&@70
+| +0#0000e05&@3|S|o|m|e| |e|n|t|r|i|e|s| |d|e|l|i|b|e|r|a|t|e|l|y| |c|o|n|t|a|i|n| |t|w|o| |i|d|e|n|t|i|f|i|e|r| |v|a|r|i|a|n|t|s| |t|h|a|t| +0#0000000&@8
+| +0#0000e05&@3|m|a|y| |b|e| |u|s|e|d| |a|s| |a|l|t|e|r|n|a|t|i|v|e| |f|o|r|m| |i|n| |a|n| |A|l|g|o|l| |6|8| |G|e|n|i|e| |p|r|o|g|r|a|m|.| +0#0000000&@9
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+| +0#0000e05&@3|f|i|l|e| |a|s| |t|h|e| |A|l|g|o|l| |6|8| |l|a|n|g|u|a|g|e| |d|o|e|s|.| +0#0000000&@35
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+| +0#0000e05&@3|s|p|a|c|i|n|g| |c|a|n| |u|s|u|a|l@1|y| |b|e| |i|n|s|e|r|t|e|d| |w|h|e|r|e| |"|n|a|t|u|r|a|l| |w|o|r|d|s|"| |w|o|u|l|d| +0#0000000&@11
+| +0#0000e05&@3|a|l@1|o|w| |a| |s|e|p|a|r|a|t|i|o|n| |(|s|a|y| |f|o|r| |'|i|n|t|w|i|d|t|h|'| |y|o|u| |m|a|y| |w|r|i|t|e|,| |e|.|g|.|,| +0#0000000&@11
+@57|1|9|,|4| @10|0|%| 

runtime/syntax/testdir/dumps/algol68_all_preludes_02.dump

@@ -0,0 +1,20 @@
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+| +0#0000e05&@3|h|i|g|h|l|i|g|h|t|e|d|)|.| +0#0000000&@57
+| +0#0000e05&@3| +0#0000000&@70
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+| +0#0000e05&@3>i|n| |t|h|i|s| |f|i|l|e|.| +0#0000000&@57
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+@57|3|7|,|5| @10|1|%| 

runtime/syntax/testdir/dumps/algol68_all_preludes_03.dump

@@ -0,0 +1,20 @@
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+@57|5@1|,|1| @10|2|%| 

runtime/syntax/testdir/dumps/algol68_all_preludes_04.dump

@@ -0,0 +1,20 @@
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runtime/syntax/testdir/dumps/algol68_all_preludes_05.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_06.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_07.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_08.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_09.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_106.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_107.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_108.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_109.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_11.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_110.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_111.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_112.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_113.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_114.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_115.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_116.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_117.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_118.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_119.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_15.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_18.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_19.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_22.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_30.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_31.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_32.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_33.dump

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