ci: bump actions/github-script from 7 to 8

Bumps [actions/github-script](https://github.com/actions/github-script) from 7 to 8.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](https://github.com/actions/github-script/compare/v7...v8)

---
updated-dependencies:
- dependency-name: actions/github-script
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/backport.yml

@@ -29,7 +29,7 @@ jobs:
 
       - name: Create failed backport label
         if: ${{ steps.backport.outputs.was_successful == 'false' }}
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             github.rest.issues.addLabels({

.github/workflows/labeler_issue.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: check issue title
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const title = context.payload.issue.title;

.github/workflows/labeler_pr.yml

@@ -40,7 +40,7 @@ jobs:
       pull-requests: write
     steps:
     - if: startsWith(github.base_ref, 'release')
-      uses: actions/github-script@v7
+      uses: actions/github-script@v8
       with:
         script: |
           github.rest.issues.addLabels({

.github/workflows/response.yml

@@ -14,7 +14,7 @@ jobs:
       pull-requests: write
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         with:
           script: |
             const script = require('./.github/scripts/close_unresponsive.js')
@@ -28,7 +28,7 @@ jobs:
       pull-requests: write
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         with:
           script: |
             const script = require('./.github/scripts/remove_response_label.js')

.github/workflows/reviewers_add.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: 'Request reviewers'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const script = require('./.github/scripts/reviewers_add.js')

.github/workflows/reviewers_remove.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: 'Remove reviewers'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const script = require('./.github/scripts/reviewers_remove.js')

runtime/ftplugin/ada.vim

@@ -2,8 +2,7 @@
 "  Description: Perform Ada specific completion & tagging.
 "     Language: Ada (2005)
 "	   $Id: ada.vim 887 2008-07-08 14:29:01Z krischik $
-"   Maintainer: This runtime file is looking for a new maintainer.
-"   Previous Maintainer: Martin Krischik <krischik@users.sourceforge.net>
+"   Maintainer: Martin Krischik <krischik@users.sourceforge.net>
 "		Taylor Venable <taylor@metasyntax.net>
 "		Neil Bird <neil@fnxweb.com>
 "      $Author: krischik $
@@ -20,10 +19,6 @@
 "                             autoload
 "		05.11.2006 MK Bram suggested to save on spaces
 "		08.07.2007 TV fix default compiler problems.
-"		05.09.2025    do not globally set 'ignorecase'/'smartcase' option
-"			      set undo_ftplugin
-"			      mark as unmaintained
-"			      use buffer-local abbreviation
 "    Help Page: ft-ada-plugin
 "------------------------------------------------------------------------------
 " Provides mapping overrides for tag jumping that figure out the current
@@ -53,8 +48,8 @@ setlocal complete=.,w,b,u,t,i
 
 " Section: case	     {{{1
 "
-" setlocal nosmartcase
-" setlocal ignorecase
+setlocal nosmartcase
+setlocal ignorecase
 
 " Section: formatoptions {{{1
 "
@@ -120,6 +115,7 @@ if !exists ("b:match_words")  &&
       \ s:notend . '\<record\>:\<end\>\s\+\<record\>'
 endif
 
+
 " Section: Compiler {{{1
 "
 if ! exists("g:ada_default_compiler")
@@ -152,10 +148,10 @@ endif
 " Section: Abbrev {{{1
 "
 if exists("g:ada_abbrev")
-   iabbrev <buffer> ret	return
-   iabbrev <buffer> proc procedure
-   iabbrev <buffer> pack package
-   iabbrev <buffer> func function
+   iabbrev ret	return
+   iabbrev proc procedure
+   iabbrev pack package
+   iabbrev func function
 endif
 
 " Section: Commands, Mapping, Menus {{{1
@@ -194,12 +190,6 @@ if !exists(':AdaTagFile')
      \ ':AdaTypes',
      \'call ada#Switch_Syntax_Option (''standard_types'')')
 endif
-"
-" Section: b:undo_ftplugin {{{1
-let b:undo_ftplugin = "setl fo< comments< tw< commentstring< complete< "
-	\ . "| setl completefunc< omnifunc< ts< sts< sw< fdm< fde< fdi< "
-	\ . "| setl fdm< fde< fdi< fdn< "
-	\ . "| unlet! b:match_words "
 
 " 1}}}
 " Reset cpoptions

runtime/ftplugin/hamster.vim

@@ -4,7 +4,6 @@
 " Maintainer:  David Fishburn <dfishburn dot vim at gmail dot com>
 " Last Change: 2021 Jan 19
 "              2024 May 23 by Riley Bruins <ribru17@gmail.com> ('commentstring')
-"              2025 Sep 05 by Vim Project, disable setting global ignorecase
 
 " Only do this when not done yet for this buffer
 if exists("b:did_ftplugin")
@@ -58,7 +57,7 @@ if exists("loaded_matchit")
   "	\ synIDattr(synID(line("."),col("."),1),"name") =~? "comment\\|string"'
 endif
 
-" setlocal ignorecase
+setlocal ignorecase
 
 let &cpo = s:cpo_save
 unlet s:cpo_save

runtime/lua/vim/pack.lua

@@ -368,16 +368,35 @@ local function trigger_event(p, event_name, kind)
   api.nvim_exec_autocmds(event_name, { pattern = p.path, data = data })
 end
 
---- @param action string
+--- @param title string
 --- @return fun(kind: 'begin'|'report'|'end', percent: integer, fmt: string, ...:any): nil
-local function new_progress_report(action)
-  local progress = { kind = 'progress', title = 'vim.pack' }
+local function new_progress_report(title)
+  -- TODO(echasnovski): currently print directly in command line because
+  -- there is no robust built-in way of showing progress:
+  -- - `vim.ui.progress()` is planned and is a good candidate to use here.
+  -- - Use `'$/progress'` implementation in 'vim.pack._lsp' if there is
+  --   a working built-in '$/progress' handler. Something like this:
+  --   ```lua
+  --   local progress_token_count = 0
+  --   function M.new_progress_report(title)
+  --     progress_token_count = progress_token_count + 1
+  --     return vim.schedule_wrap(function(kind, msg, percent)
+  --       local value = { kind = kind, message = msg, percentage = percent }
+  --       dispatchers.notification(
+  --         '$/progress',
+  --         { token = progress_token_count, value = value }
+  --       )
+  --     end
+  --   end
+  --   ```
+  -- Any of these choices is better as users can tweak how progress is shown.
 
   return vim.schedule_wrap(function(kind, percent, fmt, ...)
-    progress.status = kind == 'end' and 'success' or 'running'
-    progress.percent = percent
-    local msg = ('%s %s'):format(action, fmt:format(...))
-    progress.id = api.nvim_echo({ { msg } }, kind ~= 'report', progress)
+    local progress = kind == 'end' and 'done' or ('%3d%%'):format(percent)
+    local details = (' %s %s'):format(title, fmt:format(...))
+    local chunks = { { 'vim.pack', 'ModeMsg' }, { ': ' }, { progress, 'WarningMsg' }, { details } }
+    -- TODO: need to add support for progress-messages api
+    api.nvim_echo(chunks, true, {})
     -- Force redraw to show installation progress during startup
     vim.cmd.redraw({ bang = true })
   end)
@@ -389,9 +408,9 @@ local copcall = package.loaded.jit and pcall or require('coxpcall').pcall
 --- Execute function in parallel for each non-errored plugin in the list
 --- @param plug_list vim.pack.Plug[]
 --- @param f async fun(p: vim.pack.Plug)
---- @param progress_action string
-local function run_list(plug_list, f, progress_action)
-  local report_progress = new_progress_report(progress_action)
+--- @param progress_title string
+local function run_list(plug_list, f, progress_title)
+  local report_progress = new_progress_report(progress_title)
 
   -- Construct array of functions to execute in parallel
   local n_finished = 0

runtime/syntax/m4.vim

@@ -3,7 +3,6 @@
 " Maintainer:	Claudio Fleiner (claudio@fleiner.com)
 " Last Change:	2022 Jun 12
 " 2025 Sep 2 by Vim project: fix a few syntax issues #18192
-" 2025 Sep 5 by Vim project: introduce m4Disabled region #18200
 
 " This file will highlight user function calls if they use only
 " capital letters and have at least one argument (i.e. the '('
@@ -25,7 +24,7 @@ endif
 " – Quotes are nestable;
 " – The delimiters can be redefined with changequote(); here we only handle
 "   the default pair: ` ... ';
-" – Quoted text in M4 is rescanned, not treated as a literal string.
+" – Quoted text in M4 is rescanned, not treated as a literal string;
 "   Therefore the region is marked transparent so contained items retain
 "   their normal highlighting.
 syn region m4Quoted
@@ -35,20 +34,11 @@ syn region m4Quoted
   \ contains=@m4Top
   \ transparent
 
-" Comments in M4:
-" – According to the Open Group Base Specification, comments start with
-"   a <number-sign> (#) and end at <newline>, unless redefined with changecom().
-"   We only handle the default here.
-" – Comments in M4 are not like in most languages: they do not remove the text,
-"   they simply prevent any macros from being expanded, while the text remains
-"   in the output. This region therefore disables any other matches.
-" – Comments themselves are disabled when quoted.
-syn region m4Disabled start=+#+ end=+$+ containedin=ALLBUT,m4Quoted
-
 " define the m4 syntax
 syn match  m4Variable contained "\$\d\+"
 syn match  m4Special  contained "$[@*#]"
 syn match  m4Comment  "\<\(m4_\)\=dnl\>.*" contains=SpellErrors
+syn match  m4Comment  "#.*" contains=SpellErrors
 syn match  m4Constants "\<\(m4_\)\=__file__"
 syn match  m4Constants "\<\(m4_\)\=__line__"
 syn keyword m4Constants divnum sysval m4_divnum m4_sysval

runtime/syntax/python.vim

@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:	Python
 " Maintainer:	Zvezdan Petkovic <zpetkovic@acm.org>
-" Last Change:	2025 Sep 05
+" Last Change:	2025 Aug 23
 " Credits:	Neil Schemenauer <nas@python.ca>
 "		Dmitry Vasiliev
 "		Rob B
@@ -218,24 +218,21 @@ syn region  pythonRawBytes
 
 " F-string replacement fields
 "
-" - Matched parentheses, brackets and braces are skipped
-" - A bare = (followed by optional whitespace) enables debugging
-" - A bare ! prefixes a conversion field (followed by optional whitespace)
+" - Matched parentheses, brackets and braces are ignored
+" - A bare # is ignored to end of line
+" - A bare = (surrounded by optional whitespace) enables debugging
+" - A bare ! prefixes a conversion field
 " - A bare : begins a format specification
-"     - Matched braces inside a format specification are skipped
+"     - Matched braces inside a format specification are ignored
 "
 syn region  pythonFStringField
     \ matchgroup=pythonFStringDelimiter
     \ start=/{/
-    \ end=/\%(=\s*\)\=\%(!\a\s*\)\=\%(:\%({\_[^}]*}\|[^{}]*\)\+\)\=}/
+    \ skip=/([^)]*)\|\[[^]]*]\|{[^}]*}\|#.*$/
+    \ end=/\%(\s*=\s*\)\=\%(!\a\)\=\%(:\%({[^}]*}\|[^}]*\)\+\)\=}/
     \ contained
-    \ contains=ALLBUT,pythonFStringField,pythonClass,pythonFunction,pythonType,pythonDoctest,pythonDoctestValue,@Spell
-syn match   pythonFStringFieldSkip  /(\_[^()]*)\|\[\_[^][]*]\|{\_[^{}]*}/
-    \ contained
-    \ contains=ALLBUT,pythonFStringField,pythonClass,pythonFunction,pythonType,pythonDoctest,pythonDoctestValue,@Spell
-
-" Doubled braces are not replacement fields
-syn match   pythonFStringSkip	/{{/ transparent contained contains=NONE
+" Doubled braces and Unicode escapes are not replacement fields
+syn match   pythonFStringSkip	/{{\|\\N{/ transparent contained contains=NONE
 
 syn match   pythonEscape	+\\[abfnrtv'"\\]+ contained
 syn match   pythonEscape	"\\\o\{1,3}" contained

src/nvim/match.c

@@ -46,7 +46,7 @@ static const char *e_invalwindow = N_("E957: Invalid window number");
 /// Add match to the match list of window "wp".
 /// If "pat" is not NULL the pattern will be highlighted with the group "grp"
 /// with priority "prio".
-/// If "pos_list" is not NULL the list of positions defines the highlights.
+/// If "pos_list" is not NULL the list of posisions defines the highlights.
 /// Optionally, a desired ID "id" can be specified (greater than or equal to 1).
 /// If no particular ID is desired, -1 must be specified for "id".
 ///
@@ -214,7 +214,6 @@ static int match_add(win_T *wp, const char *const grp, const char *const pat, in
   return id;
 
 fail:
-  vim_regfree(regprog);
   xfree(m->mit_pattern);
   xfree(m->mit_pos_array);
   xfree(m);

test/functional/plugin/pack_spec.lua

@@ -243,55 +243,32 @@ local function find_in_log(log, event, kind, repo_name, version)
   return res
 end
 
-local function track_nvim_echo()
-  exec_lua(function()
-    _G.echo_log = {}
-    local nvim_echo_orig = vim.api.nvim_echo
-    ---@diagnostic disable-next-line: duplicate-set-field
-    vim.api.nvim_echo = function(...)
-      table.insert(_G.echo_log, vim.deepcopy({ ... }))
-      return nvim_echo_orig(...)
-    end
-  end)
-end
-
-local function validate_progress_report(action, step_names)
-  -- NOTE: Assume that `nvim_echo` mocked log has only progress report messages
-  local echo_log = exec_lua('return _G.echo_log') ---@type table[]
+local function validate_progress_report(title, step_names)
+  -- NOTE: Assumes that message history contains only progress report messages
+  local messages = vim.split(n.exec_capture('messages'), '\n')
   local n_steps = #step_names
-  eq(n_steps + 2, #echo_log)
+  eq(n_steps + 2, #messages)
 
-  local progress = { kind = 'progress', title = 'vim.pack', status = 'running', percent = 0 }
-  local init_step = { { { ('%s (0/%d)'):format(action, n_steps) } }, true, progress }
-  eq(init_step, echo_log[1])
+  local init_msg = ('vim.pack:   0%% %s (0/%d)'):format(title, n_steps)
+  eq(init_msg, messages[1])
 
   local steps_seen = {} --- @type table<string,boolean>
   for i = 1, n_steps do
-    local echo_args = echo_log[i + 1]
-
+    local percent = math.floor(100 * i / n_steps)
+    local msg = ('vim.pack: %3d%% %s (%d/%d)'):format(percent, title, i, n_steps)
     -- NOTE: There is no guaranteed order (as it is async), so check that some
-    -- expected step name is used in the message
-    local msg = ('%s (%d/%d)'):format(action, i, n_steps)
+    -- expected step name is used
     local pattern = '^' .. vim.pesc(msg) .. ' %- (%S+)$'
-    local step = echo_args[1][1][1]:match(pattern) ---@type string
+    local step = messages[i + 1]:match(pattern)
     eq(true, vim.tbl_contains(step_names, step))
     steps_seen[step] = true
-
-    -- Should not add intermediate progress report to history
-    eq(echo_args[2], false)
-
-    -- Should update a single message by its id (computed after first call)
-    progress.id = progress.id or echo_args[3].id ---@type integer
-    progress.percent = math.floor(100 * i / n_steps)
-    eq(echo_args[3], progress)
   end
 
   -- Should report all steps
   eq(n_steps, vim.tbl_count(steps_seen))
 
-  progress.percent, progress.status = 100, 'success'
-  local final_step = { { { ('%s (%d/%d)'):format(action, n_steps, n_steps) } }, true, progress }
-  eq(final_step, echo_log[n_steps + 2])
+  local final_msg = ('vim.pack: done %s (%d/%d)'):format(title, n_steps, n_steps)
+  eq(final_msg, messages[n_steps + 2])
 end
 
 local function is_jit()
@@ -454,7 +431,6 @@ describe('vim.pack', function()
     end)
 
     it('shows progress report during installation', function()
-      track_nvim_echo()
       exec_lua(function()
         vim.pack.add({ repos_src.basic, repos_src.defbranch })
       end)
@@ -1104,7 +1080,6 @@ describe('vim.pack', function()
     end)
 
     it('shows progress report', function()
-      track_nvim_echo()
       exec_lua(function()
         vim.pack.add({ repos_src.fetch, repos_src.defbranch })
         vim.pack.update()
@@ -1112,7 +1087,7 @@ describe('vim.pack', function()
 
       -- During initial download
       validate_progress_report('Downloading updates', { 'fetch', 'defbranch' })
-      exec_lua('_G.echo_log = {}')
+      n.exec('messages clear')
 
       -- During application (only for plugins that have updates)
       n.exec('write')
@@ -1120,7 +1095,6 @@ describe('vim.pack', function()
 
       -- During force update
       n.clear()
-      track_nvim_echo()
       repo_write_file('fetch', 'lua/fetch.lua', 'return "fetch new 3"')
       git_add_commit('Commit to be added 3', 'fetch')