# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1639665905 -3600
# Node ID 3a63b1e4a6f4f95a1ce3ba3e7b7dd04f18b75643
# Parent  9eb413075ee42660b79846fe658cbf416347c310
Update runtime files

Commit: https://github.com/vim/vim/commit/0e6adf8a29d5c2c96c42cc7157f71bf22c2ad471
Author: Bram Moolenaar <Bram@vim.org>
Date:   Thu Dec 16 14:41:10 2021 +0000

    Update runtime files

diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -89,6 +89,7 @@ runtime/ftplugin/gitsendemail.vim	@tpope
 runtime/ftplugin/gprof.vim		@dpelle
 runtime/ftplugin/haml.vim		@tpope
 runtime/ftplugin/hgcommit.vim		@k-takata
+runtime/ftplugin/i3config.vim		@hiqua
 runtime/ftplugin/indent.vim		@dkearns
 runtime/ftplugin/javascript.vim		@dkearns
 runtime/ftplugin/javascriptreact.vim	@dkearns
@@ -114,6 +115,7 @@ runtime/ftplugin/routeros.vim		@zainin
 runtime/ftplugin/ruby.vim		@tpope @dkearns
 runtime/ftplugin/sass.vim		@tpope
 runtime/ftplugin/scss.vim		@tpope
+runtime/ftplugin/solution.vim		@dkearns
 runtime/ftplugin/spec.vim		@ignatenkobrain
 runtime/ftplugin/systemverilog.vim	@Kocha
 runtime/ftplugin/tcsh.vim		@dkearns
@@ -208,6 +210,7 @@ runtime/syntax/groff.vim		@jmarshall
 runtime/syntax/haml.vim			@tpope
 runtime/syntax/haskell.vim		@coot
 runtime/syntax/hgcommit.vim		@k-takata
+runtime/syntax/i3config.vim		@hiqua
 runtime/syntax/indent.vim		@dkearns
 runtime/syntax/kconfig.vim		@chrisbra
 runtime/syntax/less.vim			@genoma
diff --git a/runtime/doc/editing.txt b/runtime/doc/editing.txt
--- a/runtime/doc/editing.txt
+++ b/runtime/doc/editing.txt
@@ -1,4 +1,4 @@
-*editing.txt*   For Vim version 8.2.  Last change: 2021 Oct 16
+*editing.txt*   For Vim version 8.2.  Last change: 2021 Dec 11
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1,4 +1,4 @@
-*eval.txt*	For Vim version 8.2.  Last change: 2021 Nov 20
+*eval.txt*	For Vim version 8.2.  Last change: 2021 Dec 15
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
diff --git a/runtime/doc/helphelp.txt b/runtime/doc/helphelp.txt
--- a/runtime/doc/helphelp.txt
+++ b/runtime/doc/helphelp.txt
@@ -1,4 +1,4 @@
-*helphelp.txt*	For Vim version 8.2.  Last change: 2021 Nov 18
+*helphelp.txt*	For Vim version 8.2.  Last change: 2021 Dec 13
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -163,7 +163,7 @@ If you would like to open the help in th
 
 The initial height of the help window can be set with the 'helpheight' option
 (default 20).
-
+						*help-buffer-options*
 When the help buffer is created, several local options are set to make sure
 the help text is displayed as it was intended:
     'iskeyword'		nearly all ASCII chars except ' ', '*', '"' and '|'
diff --git a/runtime/doc/map.txt b/runtime/doc/map.txt
--- a/runtime/doc/map.txt
+++ b/runtime/doc/map.txt
@@ -1,4 +1,4 @@
-*map.txt*       For Vim version 8.2.  Last change: 2021 Nov 20
+*map.txt*       For Vim version 8.2.  Last change: 2021 Dec 15
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -173,7 +173,7 @@ 1.2 SPECIAL ARGUMENTS					*:map-argument
 "<unique>" can be used in any order.  They must appear right after the
 command, before any other arguments.
 
-				*:map-local* *:map-<buffer>* *E224* *E225*
+			*:map-local* *:map-<buffer>* *:map-buffer* *E224* *E225*
 If the first argument to one of these commands is "<buffer>" the mapping will
 be effective in the current buffer only.  Example: >
 	:map <buffer>  ,w  /[.,;]<CR>
@@ -232,7 +232,7 @@ Note: ":map <script>" and ":noremap <scr
 "<script>" overrules the command name.  Using ":noremap <script>" is
 preferred, because it's clearer that remapping is (mostly) disabled.
 
-						*:map-<unique>* *E226* *E227*
+				*:map-<unique>* *:map-unique* *E226* *E227*
 If the first argument to one of these commands is "<unique>" and it is used to
 define a new mapping or abbreviation, the command will fail if the mapping or
 abbreviation already exists.  Example: >
@@ -974,28 +974,35 @@ Here is an example that counts the numbe
 	" doubling <F4> works on a line
 	nnoremap <expr> <F4><F4> CountSpaces() .. '_'
 
-	function CountSpaces(type = '') abort
+	function CountSpaces(virtualedit = '', irregular_block = v:false, type = '') abort
 	  if a:type == ''
-	    set opfunc=CountSpaces
+	    let &operatorfunc = function('CountSpaces', [&virtualedit, v:false])
+	    set virtualedit=block
 	    return 'g@'
- 	  endif
+	  endif
 
+	  let cb_save = &clipboard
 	  let sel_save = &selection
 	  let reg_save = getreginfo('"')
-	  let cb_save = &clipboard
 	  let visual_marks_save = [getpos("'<"), getpos("'>")]
 
 	  try
-	    set clipboard= selection=inclusive
-	    let commands = #{line: "'[V']y", char: "`[v`]y", block: "`[\<c-v>`]y"}
-	    silent exe 'noautocmd keepjumps normal! ' .. get(commands, a:type, '')
-	    echom getreg('"')->count(' ')
+	    set clipboard= selection=inclusive virtualedit=
+	    let commands = #{line: "'[V']", char: "`[v`]", block: "`[\<C-V>`]"}->get(a:type, 'v')
+	    if getpos("']")[-1] != 0 || a:irregular_block
+	      let commands ..= 'oO$'
+	      let &operatorfunc = function('CountSpaces', [a:virtualedit, v:true])
+	    endif
+	    let commands ..= 'y'
+	    execute 'silent noautocmd keepjumps normal! ' .. commands
+	    echomsg getreg('"')->count(' ')
 	  finally
 	    call setreg('"', reg_save)
 	    call setpos("'<", visual_marks_save[0])
 	    call setpos("'>", visual_marks_save[1])
 	    let &clipboard = cb_save
 	    let &selection = sel_save
+	    let &virtualedit = a:virtualedit
 	  endtry
 	endfunction
 
diff --git a/runtime/doc/message.txt b/runtime/doc/message.txt
--- a/runtime/doc/message.txt
+++ b/runtime/doc/message.txt
@@ -1,4 +1,4 @@
-*message.txt*   For Vim version 8.2.  Last change: 2021 Jul 31
+*message.txt*   For Vim version 8.2.  Last change: 2021 Dec 13
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
diff --git a/runtime/doc/motion.txt b/runtime/doc/motion.txt
--- a/runtime/doc/motion.txt
+++ b/runtime/doc/motion.txt
@@ -1,4 +1,4 @@
-*motion.txt*    For Vim version 8.2.  Last change: 2021 Dec 04
+*motion.txt*    For Vim version 8.2.  Last change: 2021 Dec 13
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
diff --git a/runtime/doc/tags b/runtime/doc/tags
--- a/runtime/doc/tags
+++ b/runtime/doc/tags
@@ -118,6 +118,8 @@
 'cc'	options.txt	/*'cc'*
 'ccv'	options.txt	/*'ccv'*
 'cd'	options.txt	/*'cd'*
+'cdh'	options.txt	/*'cdh'*
+'cdhome'	options.txt	/*'cdhome'*
 'cdpath'	options.txt	/*'cdpath'*
 'cedit'	options.txt	/*'cedit'*
 'cf'	options.txt	/*'cf'*
@@ -2754,6 +2756,7 @@ 90.5	usr_90.txt	/*90.5*
 :map-<unique>	map.txt	/*:map-<unique>*
 :map-alt-keys	map.txt	/*:map-alt-keys*
 :map-arguments	map.txt	/*:map-arguments*
+:map-buffer	map.txt	/*:map-buffer*
 :map-cmd	map.txt	/*:map-cmd*
 :map-commands	map.txt	/*:map-commands*
 :map-expression	map.txt	/*:map-expression*
@@ -2767,6 +2770,7 @@ 90.5	usr_90.txt	/*90.5*
 :map-special-chars	map.txt	/*:map-special-chars*
 :map-special-keys	map.txt	/*:map-special-keys*
 :map-undo	map.txt	/*:map-undo*
+:map-unique	map.txt	/*:map-unique*
 :map-verbose	map.txt	/*:map-verbose*
 :map_l	map.txt	/*:map_l*
 :map_l!	map.txt	/*:map_l!*
@@ -7270,6 +7274,7 @@ hasmapto()	eval.txt	/*hasmapto()*
 hebrew	hebrew.txt	/*hebrew*
 hebrew.txt	hebrew.txt	/*hebrew.txt*
 help	helphelp.txt	/*help*
+help-buffer-options	helphelp.txt	/*help-buffer-options*
 help-context	help.txt	/*help-context*
 help-curwin	tips.txt	/*help-curwin*
 help-summary	usr_02.txt	/*help-summary*
diff --git a/runtime/doc/term.txt b/runtime/doc/term.txt
--- a/runtime/doc/term.txt
+++ b/runtime/doc/term.txt
@@ -1,4 +1,4 @@
-*term.txt*      For Vim version 8.2.  Last change: 2021 Dec 04
+*term.txt*      For Vim version 8.2.  Last change: 2021 Dec 08
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -150,6 +150,8 @@ terminal that tmux is running in): >
         " Enable focus event tracking, see  :help xterm-focus-event
         let &t_fe = "\<Esc>[?1004h"
         let &t_fd = "\<Esc>[?1004l"
+	execute "set <FocusGained>=\<Esc>[I"
+        execute "set <FocusLost>=\<Esc>[O"
 
         " Enable modified arrow keys, see  :help arrow_modifiers
         execute "silent! set <xUp>=\<Esc>[@;*A"
@@ -606,6 +608,8 @@ If your terminal does support this but V
 you may have to set the options yourself: >
 	let &t_fe = "\<Esc>[?1004h"
 	let &t_fd = "\<Esc>[?1004l"
+	execute "set <FocusGained>=\<Esc>[I"
+        execute "set <FocusLost>=\<Esc>[O"
 If this causes garbage to show when Vim starts up then it doesn't work.
 
 							*termcap-colors*
diff --git a/runtime/doc/testing.txt b/runtime/doc/testing.txt
--- a/runtime/doc/testing.txt
+++ b/runtime/doc/testing.txt
@@ -1,4 +1,4 @@
-*testing.txt*	For Vim version 8.2.  Last change: 2021 Aug 15
+*testing.txt*	For Vim version 8.2.  Last change: 2021 Dec 11
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -65,7 +65,8 @@ test_garbagecollect_now()			 *test_garba
 		Like garbagecollect(), but executed right away.  This must
 		only be called directly to avoid any structure to exist
 		internally, and |v:testing| must have been set before calling
-		any function.
+		any function.  This will not work when called from a :def
+		function, because variables on the stack will be freed.
 
 
 test_garbagecollect_soon()			 *test_garbagecollect_soon()*
diff --git a/runtime/doc/todo.txt b/runtime/doc/todo.txt
--- a/runtime/doc/todo.txt
+++ b/runtime/doc/todo.txt
@@ -1,4 +1,4 @@
-*todo.txt*      For Vim version 8.2.  Last change: 2021 Dec 05
+*todo.txt*      For Vim version 8.2.  Last change: 2021 Dec 15
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -39,7 +39,7 @@ browser use: https://github.com/vim/vim/
 -------------------- Known bugs and current work -----------------------
 
 Vim9 - Make everything work:
-- Check TODO items in vim9compile.c and vim9execute.c
+- Check TODO items in  vim9execute.c
 - use CheckLegacyAndVim9Success(lines) in many more places
 - For builtin functions using tv_get_string*() use check_for_string() to be
   more strict about the argument type (not a bool).
@@ -194,8 +194,6 @@ Terminal emulator window:
 - GUI: When using ":set go+=!" a system() call causes the hit-enter prompt.
   (#3327)
 - Allow for specifying the directory, with ++cwd={dir}.
-- With a vertical split only one window is updated. (Linwei, 2018 Jun 2,
-  #2977)
 - When pasting should call vterm_keyboard_start_paste(), e.g. when using
   K_MIDDLEMOUSE, calling insert_reg().
 - Users expect parsing the :term argument like a shell does, also support
@@ -271,6 +269,8 @@ Was originally written by Felipe Morales
 Request to use "." for the cursor column in search pattern \%<.c and \%<.v.
 (#8179)
 
+":filter set termcap" only filters terminal codes, not keys. (#9297)
+
 Remove SPACE_IN_FILENAME ? It is only used for completion.
 
 When 'term' starts with "foot" then default t_TI and t_TE to the values used
@@ -846,9 +846,7 @@ window for the buffer.
 Win32 key codes are messy.  Mike Williams tried to fix that, but now old
 mappings no longer work.  Create a new terminal for the better solution?
 
-Compiler warnings (geeknik, 2017 Oct 26):
-- signed integer overflow in do_sub() (#2249)
-- signed integer overflow in get_address() (#2248)
+Compiler warning (geeknik, 2017 Oct 26):
 - undefined left shift in get_string_tv() (#2250)
 
 Add Native language protocol server (LSP) support. (Yegappan Lakshmanan, 2018
@@ -3895,7 +3893,7 @@ 8   Remember the name of the vimrc file 
     $HOME/_vimrc, etc.) and add "edit vimrc" to the File menu.
 -   Add a way to save local settings and mappings into a new plugin file.
     ":mkplugin <file>"?
--   Add mappings local to a window: ":map <window> ..."?
+-   Add mappings local to a window: ":map <window> ..."  #9339
 9   Add buffer-local menu.  Should offer a choice between removing the menu or
     disabling it.  Be careful that tear-offs don't disappear (keep one empty
     item?).
diff --git a/runtime/doc/various.txt b/runtime/doc/various.txt
--- a/runtime/doc/various.txt
+++ b/runtime/doc/various.txt
@@ -1,4 +1,4 @@
-*various.txt*   For Vim version 8.2.  Last change: 2021 Nov 30
+*various.txt*   For Vim version 8.2.  Last change: 2021 Dec 13
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -598,7 +598,7 @@ N  *+X11*		Unix only: can restore window
 			   |:oldfiles|   - filter by file name
 			   |:registers|  - filter by register contents
 					   (does not work multi-line)
-			   |:set|        - filter by variable name
+			   |:set|        - filter by option name
 
 			Only normal messages are filtered, error messages are
 			not.
diff --git a/runtime/doc/vim9.txt b/runtime/doc/vim9.txt
--- a/runtime/doc/vim9.txt
+++ b/runtime/doc/vim9.txt
@@ -1,4 +1,4 @@
-*vim9.txt*	For Vim version 8.2.  Last change: 2021 Dec 01
+*vim9.txt*	For Vim version 8.2.  Last change: 2021 Dec 15
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -568,6 +568,20 @@ characters, e.g.: >
 	   })
 No command can follow the "{", only a comment can be used there.
 
+If the statements include a dictionary, its closing bracket must not be
+written at the start of a line.  Otherwise, it would be parsed as the end of
+the block.  This does not work: >
+	command NewCommand {
+	     let g:mydict = {
+	       'key': 'value',
+	       }  # ERROR: will be recognized as the end of the block
+	   }
+Put the '}' after the last item to avoid this: >
+	command NewCommand {
+	     let g:mydict = {
+	       'key': 'value' }
+	   }
+
 Rationale: The "}" cannot be after a command because it would require parsing
 the commands to find it.  For consistency with that no command can follow the
 "{".  Unfortunately this means using "() => {  command  }" does not work, line
diff --git a/runtime/filetype.vim b/runtime/filetype.vim
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -1,7 +1,7 @@
 " Vim support file to detect file types
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2021 Dec 03
+" Last Change:	2021 Dec 14
 
 " Listen very carefully, I will say this only once
 if exists("did_load_filetypes")
diff --git a/runtime/ftplugin/i3config.vim b/runtime/ftplugin/i3config.vim
new file mode 100644
--- /dev/null
+++ b/runtime/ftplugin/i3config.vim
@@ -0,0 +1,13 @@
+" Vim filetype plugin file
+" Language: i3 config file
+" Original Author: Mohamed Boughaba <mohamed dot bgb at gmail dot com>
+" Maintainer: Quentin Hibon
+" Version: 0.4
+" Last Change: 2021 Dec 14
+
+if exists("b:did_ftplugin") | finish | endif
+let b:did_ftplugin = 1
+
+let b:undo_ftplugin = "setlocal cms<"
+
+setlocal commentstring=#\ %s
diff --git a/runtime/ftplugin/solution.vim b/runtime/ftplugin/solution.vim
new file mode 100644
--- /dev/null
+++ b/runtime/ftplugin/solution.vim
@@ -0,0 +1,37 @@
+" Vim filetype plugin file
+" Language:	Microsoft Visual Studio Solution
+" Maintainer:	Doug Kearns <dougkearns@gmail.com>
+" Last Change:	2021 Dec 15
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+setlocal comments=:#
+setlocal commentstring=#\ %s
+
+let b:undo_ftplugin = "setl com< cms<"
+
+if exists("loaded_matchit") && !exists("b:match_words")
+  let b:match_words =
+	\ '\<Project\>:\<EndProject\>,' ..
+	\ '\<ProjectSection\>:\<EndProjectSection\>,' ..
+	\ '\<Global\>:\<EndGlobal\>,' ..
+	\ '\<GlobalSection\>:\<EndGlobalSection\>'
+  let b:undo_ftplugin ..= " | unlet! b:match_words"
+endif
+
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+  let b:browsefilter = "Microsoft Visual Studio Solution Files\t*.sln\n" ..
+	\	       "All Files (*.*)\t*.*\n"
+  let b:undo_ftplugin ..= " | unlet! b:browsefilter"
+endif
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: nowrap sw=2 sts=2 ts=8 noet:
diff --git a/runtime/optwin.vim b/runtime/optwin.vim
--- a/runtime/optwin.vim
+++ b/runtime/optwin.vim
@@ -1,7 +1,7 @@
 " These commands create the option window.
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2021 Dec 11
+" Last Change:	2021 Dec 12
 
 " If there already is an option window, jump to that one.
 let buf = bufnr('option-window')
@@ -260,10 +260,8 @@ call <SID>OptionG("sect", &sect)
 call <SID>AddOption("path", gettext("list of directory names used for file searching"))
 call append("$", "\t" .. s:global_or_local)
 call <SID>OptionG("pa", &pa)
-if exists("+cdhome")
-  call <SID>AddOption("cdhome", gettext("change directory to the home directory by :cd"))
-  call <SID>BinOptionG("cdh", &cdh)
-endif
+call <SID>AddOption("cdhome", gettext(":cd without argument goes to the home directory"))
+call <SID>BinOptionG("cdh", &cdh)
 call <SID>AddOption("cdpath", gettext("list of directory names used for :cd"))
 call <SID>OptionG("cd", &cd)
 if exists("+autochdir")
diff --git a/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim b/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim
--- a/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim
+++ b/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim
@@ -2,7 +2,7 @@
 "
 " Author: Bram Moolenaar
 " Copyright: Vim license applies, see ":help license"
-" Last Change: 2021 Nov 29
+" Last Change: 2021 Dec 16
 "
 " WORK IN PROGRESS - Only the basics work
 " Note: On MS-Windows you need a recent version of gdb.  The one included with
@@ -585,7 +585,7 @@ endfunc
 " to the next ", unescaping characters:
 " - remove line breaks
 " - change \\t to \t
-" - change \0xhh to \xhh
+" - change \0xhh to \xhh (disabled for now)
 " - change \ooo to octal
 " - change \\ to \
 func s:DecodeMessage(quotedText)
@@ -594,12 +594,21 @@ func s:DecodeMessage(quotedText)
     return
   endif
   return a:quotedText
-        \->substitute('^"\|".*\|\\n', '', 'g')
-        \->substitute('\\t', "\t", 'g')
-        \->substitute('\\0x\(\x\x\)', {-> eval('"\x' .. submatch(1) .. '"')}, 'g')
-        \->substitute('\\\o\o\o', {-> eval('"' .. submatch(0) .. '"')}, 'g')
-        \->substitute('\\\\', '\', 'g')
+        \ ->substitute('^"\|".*\|\\n', '', 'g')
+        \ ->substitute('\\t', "\t", 'g')
+        " multi-byte characters arrive in octal form
+        " NULL-values must be kept encoded as those break the string otherwise
+        \ ->substitute('\\000', s:NullRepl, 'g')
+        \ ->substitute('\\\o\o\o', {-> eval('"' .. submatch(0) .. '"')}, 'g')
+        " Note: GDB docs also mention hex encodings - the translations below work
+        "       but we keep them out for performance-reasons until we actually see
+        "       those in mi-returns
+        " \ ->substitute('\\0x\(\x\x\)', {-> eval('"\x' .. submatch(1) .. '"')}, 'g')
+        " \ ->substitute('\\0x00', s:NullRepl, 'g')
+        \ ->substitute('\\\\', '\', 'g')
+        \ ->substitute(s:NullRepl, '\\000', 'g')
 endfunc
+const s:NullRepl = 'XXXNULLXXX'
 
 " Extract the "name" value from a gdb message with fullname="name".
 func s:GetFullname(msg)
@@ -1081,10 +1090,19 @@ let s:evalFromBalloonExpr = 0
 
 " Handle the result of data-evaluate-expression
 func s:HandleEvaluate(msg)
-  let value = substitute(a:msg, '.*value="\(.*\)"', '\1', '')
-  let value = substitute(value, '\\"', '"', 'g')
-  " multi-byte characters arrive in octal form
-  let value = substitute(value, '\\\o\o\o', {-> eval('"' .. submatch(0) .. '"')}, 'g')
+  let value = a:msg
+    \ ->substitute('.*value="\(.*\)"', '\1', '')
+    \ ->substitute('\\"', '"', 'g')
+    \ ->substitute('\\\\', '\\', 'g')
+    "\ multi-byte characters arrive in octal form, replace everthing but NULL values
+    \ ->substitute('\\000', s:NullRepl, 'g')
+    \ ->substitute('\\\o\o\o', {-> eval('"' .. submatch(0) .. '"')}, 'g')
+    "\ Note: GDB docs also mention hex encodings - the translations below work
+    "\       but we keep them out for performance-reasons until we actually see
+    "\       those in mi-returns
+    "\ ->substitute('\\0x00', s:NullRep, 'g')
+    "\ ->substitute('\\0x\(\x\x\)', {-> eval('"\x' .. submatch(1) .. '"')}, 'g')
+    \ ->substitute(s:NullRepl, '\\000', 'g')
   if s:evalFromBalloonExpr
     if s:evalFromBalloonExprResult == ''
       let s:evalFromBalloonExprResult = s:evalexpr . ': ' . value
diff --git a/runtime/syntax/c.vim b/runtime/syntax/c.vim
--- a/runtime/syntax/c.vim
+++ b/runtime/syntax/c.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:	C
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2021 May 24
+" Last Change:	2021 Dec 07
 
 " Quit when a (custom) syntax file was already loaded
 if exists("b:current_syntax")
@@ -196,7 +196,6 @@ syn match	cNumber		display contained "0x
 " Flag the first zero of an octal number as something special
 syn match	cOctal		display contained "0\o\+\(u\=l\{0,2}\|ll\=u\)\>" contains=cOctalZero
 syn match	cOctalZero	display contained "\<0"
-syn match	cFloat		display contained "\d\+f"
 "floating point number, with dot, optional exponent
 syn match	cFloat		display contained "\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\="
 "floating point number, starting with a dot, optional exponent
diff --git a/runtime/syntax/css.vim b/runtime/syntax/css.vim
--- a/runtime/syntax/css.vim
+++ b/runtime/syntax/css.vim
@@ -7,7 +7,7 @@
 "               Nikolai Weibull (Add CSS2 support)
 " URL:          https://github.com/vim-language-dept/css-syntax.vim
 " Maintainer:   Jay Sitter <jay@jaysitter.com>
-" Last Change:  2021 Oct 15
+" Last Change:  2021 Oct 20
 
 " quit when a syntax file was already loaded
 if !exists("main_syntax")
@@ -116,7 +116,7 @@ syn keyword cssColor contained ActiveBor
 syn case ignore
 
 syn match cssImportant contained "!\s*important\>"
-syn match cssCustomProp contained "--[a-zA-Z0-9-_]*"
+syn match cssCustomProp contained "\<--[a-zA-Z0-9-_]*\>"
 
 syn match cssColor contained "\<transparent\>"
 syn match cssColor contained "\<currentColor\>"
@@ -126,6 +126,7 @@ syn match cssColor contained "#\x\{6\}\>
 syn match cssColor contained "#\x\{8\}\>" contains=cssUnitDecorators
 
 syn region cssURL contained matchgroup=cssFunctionName start="\<\(uri\|url\|local\|format\)\s*(" end=")" contains=cssStringQ,cssStringQQ oneline
+syn region cssMathGroup contained matchgroup=cssMathParens start="(" end=")" containedin=cssFunction,cssMathGroup contains=cssCustomProp,cssValue.*,cssFunction,cssColor,cssStringQ,cssStringQQ oneline
 syn region cssFunction contained matchgroup=cssFunctionName start="\<\(var\|calc\)\s*(" end=")" contains=cssCustomProp,cssValue.*,cssFunction,cssColor,cssStringQ,cssStringQQ oneline
 syn region cssFunction contained matchgroup=cssFunctionName start="\<\(rgb\|clip\|attr\|counter\|rect\|cubic-bezier\|steps\)\s*(" end=")" oneline  contains=cssValueInteger,cssValueNumber,cssValueLength,cssFunctionComma
 syn region cssFunction contained matchgroup=cssFunctionName start="\<\(rgba\|hsl\|hsla\|color-stop\|from\|to\)\s*(" end=")" oneline  contains=cssColor,cssValueInteger,cssValueNumber,cssValueLength,cssFunctionComma,cssFunction
@@ -395,9 +396,9 @@ syn match cssUIAttr contained '\<preserv
 syn match cssIEUIAttr contained '\<bicubic\>'
 
 " Webkit/iOS specific properties
-syn match cssUIProp contained '\<tap-highlight-color\|user-select\|touch-callout\>'
+syn match cssUIProp contained '\<\(tap-highlight-color\|user-select\|touch-callout\)\>'
 " IE specific properties
-syn match cssIEUIProp contained '\<interpolation-mode\|zoom\|filter\>'
+syn match cssIEUIProp contained '\<\(interpolation-mode\|zoom\|filter\)\>'
 
 " Webkit/Firebox specific properties/attributes
 syn keyword cssUIProp contained appearance
@@ -423,11 +424,15 @@ syn keyword cssAuralAttr contained male 
 syn match cssMobileTextProp contained "\<text-size-adjust\>"
 
 syn keyword cssMediaProp contained width height orientation scan
-syn match cssMediaProp contained /\(\(max\|min\)-\)\=\(\(device\)-\)\=aspect-ratio/
-syn match cssMediaProp contained /\(\(max\|min\)-\)\=device-pixel-ratio/
-syn match cssMediaProp contained /\(\(max\|min\)-\)\=device-\(height\|width\)/
-syn match cssMediaProp contained /\(\(max\|min\)-\)\=\(height\|width\|resolution\|monochrome\|color\(-index\)\=\)/
+syn keyword cssMediaProp contained any-hover any-pointer color-gamut grid hover
+syn keyword cssMediaProp contained overflow-block overflow-inline pointer update
+syn match cssMediaProp contained /\<\(\(max\|min\)-\)\=\(\(device\)-\)\=aspect-ratio\>/
+syn match cssMediaProp contained /\<\(\(max\|min\)-\)\=device-pixel-ratio\>/
+syn match cssMediaProp contained /\<\(\(max\|min\)-\)\=device-\(height\|width\)\>/
+syn match cssMediaProp contained /\<\(\(max\|min\)-\)\=\(height\|width\|resolution\|monochrome\|color\(-index\)\=\)\>/
 syn keyword cssMediaAttr contained portrait landscape progressive interlace
+syn keyword cssMediaAttr contained coarse fast fine hover infinite p3 paged
+syn keyword cssMediaAttr contained rec2020 scroll slow srgb
 syn match cssKeyFrameProp contained /\(\d\+\(\.\d\+\)\?%\|\(\<from\|to\>\)\)/ nextgroup=cssDefinition
 syn match cssPageMarginProp /@\(\(top\|left\|right\|bottom\)-\(left\|center\|right\|middle\|bottom\)\)\(-corner\)\=/ contained nextgroup=cssDefinition
 syn keyword cssPageProp contained content size
@@ -445,17 +450,17 @@ syn match cssBraceError "}"
 syn match cssAttrComma ","
 
 " Pseudo class
-" http://www.w3.org/TR/css3-selectors/
+" https://www.w3.org/TR/selectors-4/
 syn match cssPseudoClass ":[A-Za-z0-9_-]*" contains=cssNoise,cssPseudoClassId,cssUnicodeEscape,cssVendor,cssPseudoClassFn
 syn keyword cssPseudoClassId contained link visited active hover before after left right
-syn keyword cssPseudoClassId contained root empty target enable disabled checked invalid
+syn keyword cssPseudoClassId contained root empty target enabled disabled checked invalid
 syn match cssPseudoClassId contained "\<first-\(line\|letter\)\>"
 syn match cssPseudoClassId contained "\<\(first\|last\|only\)-\(of-type\|child\)\>"
-syn region cssPseudoClassFn contained matchgroup=cssFunctionName start="\<\(not\|lang\|\(nth\|nth-last\)-\(of-type\|child\)\)(" end=")" contains=cssStringQ,cssStringQQ
+syn match cssPseudoClassId contained  "\<focus\(-within\|-visible\)\=\>"
+syn region cssPseudoClassFn contained matchgroup=cssFunctionName start="\<\(not\|is\|lang\|\(nth\|nth-last\)-\(of-type\|child\)\)(" end=")" contains=cssStringQ,cssStringQQ,cssTagName,cssAttributeSelector,cssClassName,cssIdentifier
 " ------------------------------------
 " Vendor specific properties
 syn match cssPseudoClassId contained  "\<selection\>"
-syn match cssPseudoClassId contained  "\<focus\(-inner\)\=\>"
 syn match cssPseudoClassId contained  "\<\(input-\)\=placeholder\>"
 
 " Misc highlight groups
diff --git a/runtime/syntax/i3config.vim b/runtime/syntax/i3config.vim
new file mode 100644
--- /dev/null
+++ b/runtime/syntax/i3config.vim
@@ -0,0 +1,256 @@
+" Vim syntax file
+" Language: i3 config file
+" Maintainer: Mohamed Boughaba <mohamed dot bgb at gmail dot com>
+" Version: 0.4
+" Last Change: 2021 Dec 14
+
+" References:
+" http://i3wm.org/docs/userguide.html#configuring
+" http://vimdoc.sourceforge.net/htmldoc/syntax.html
+"
+"
+" Quit when a syntax file was already loaded
+if exists("b:current_syntax")
+  finish
+endif
+
+scriptencoding utf-8
+
+" Error
+syn match i3ConfigError /.*/
+
+" Todo
+syn keyword i3ConfigTodo TODO FIXME XXX contained
+
+" Comment
+" Comments are started with a # and can only be used at the beginning of a line
+syn match i3ConfigComment /^\s*#.*$/ contains=i3ConfigTodo
+
+" Font
+" A FreeType font description is composed by:
+" a font family, a style, a weight, a variant, a stretch and a size.
+syn match i3ConfigFontSeparator /,/ contained
+syn match i3ConfigFontSeparator /:/ contained
+syn keyword i3ConfigFontKeyword font contained
+syn match i3ConfigFontNamespace /\w\+:/ contained contains=i3ConfigFontSeparator
+syn match i3ConfigFontContent /-\?\w\+\(-\+\|\s\+\|,\)/ contained contains=i3ConfigFontNamespace,i3ConfigFontSeparator,i3ConfigFontKeyword
+syn match i3ConfigFontSize /\s\=\d\+\(px\)\?\s\?$/ contained
+syn match i3ConfigFont /^\s*font\s\+.*$/ contains=i3ConfigFontContent,i3ConfigFontSeparator,i3ConfigFontSize,i3ConfigFontNamespace
+syn match i3ConfigFont /^\s*font\s\+.*\(\\\_.*\)\?$/ contains=i3ConfigFontContent,i3ConfigFontSeparator,i3ConfigFontSize,i3ConfigFontNamespace
+syn match i3ConfigFont /^\s*font\s\+.*\(\\\_.*\)\?[^\\]\+$/ contains=i3ConfigFontContent,i3ConfigFontSeparator,i3ConfigFontSize,i3ConfigFontNamespace
+syn match i3ConfigFont /^\s*font\s\+\(\(.*\\\_.*\)\|\(.*[^\\]\+$\)\)/ contains=i3ConfigFontContent,i3ConfigFontSeparator,i3ConfigFontSize,i3ConfigFontNamespace
+
+" variables
+syn match i3ConfigString /\(['"]\)\(.\{-}\)\1/ contained
+syn match i3ConfigColor /#\w\{6}/ contained
+syn match i3ConfigVariableModifier /+/ contained
+syn match i3ConfigVariableAndModifier /+\w\+/ contained contains=i3ConfigVariableModifier
+syn match i3ConfigVariable /\$\w\+\(\(-\w\+\)\+\)\?\(\s\|+\)\?/ contains=i3ConfigVariableModifier,i3ConfigVariableAndModifier
+syn keyword i3ConfigInitializeKeyword set contained
+syn match i3ConfigInitialize /^\s*set\s\+.*$/ contains=i3ConfigVariable,i3ConfigInitializeKeyword,i3ConfigColor,i3ConfigString
+
+" Gaps
+syn keyword i3ConfigGapStyleKeyword inner outer horizontal vertical top right bottom left current all set plus minus toggle up down contained
+syn match i3ConfigGapStyle /^\s*\(gaps\)\s\+\(inner\|outer\|horizontal\|vertical\|left\|top\|right\|bottom\)\(\s\+\(current\|all\)\)\?\(\s\+\(set\|plus\|minus\|toggle\)\)\?\(\s\+\(-\?\d\+\|\$.*\)\)$/ contains=i3ConfigGapStyleKeyword,i3ConfigNumber,i3ConfigVariable
+syn keyword i3ConfigSmartGapKeyword on inverse_outer contained
+syn match i3ConfigSmartGap /^\s*smart_gaps\s\+\(on\|inverse_outer\)\s\?$/ contains=i3ConfigSmartGapKeyword
+syn keyword i3ConfigSmartBorderKeyword on no_gaps contained
+syn match i3ConfigSmartBorder /^\s*smart_borders\s\+\(on\|no_gaps\)\s\?$/ contains=i3ConfigSmartBorderKeyword
+
+" Keyboard bindings
+syn keyword i3ConfigAction toggle fullscreen restart key import kill shrink grow contained
+syn keyword i3ConfigAction focus move grow height width split layout resize restore reload mute unmute exit mode workspace container to contained
+syn match i3ConfigModifier /\w\++\w\+\(\(+\w\+\)\+\)\?/ contained contains=i3ConfigVariableModifier
+syn match i3ConfigNumber /\s\d\+/ contained
+syn match i3ConfigUnit /\sp\(pt\|x\)/ contained
+syn match i3ConfigUnitOr /\sor/ contained
+syn keyword i3ConfigBindKeyword bindsym bindcode exec gaps border contained
+syn match i3ConfigBindArgument /--\w\+\(\(-\w\+\)\+\)\?\s/ contained
+syn match i3ConfigBind /^\s*\(bindsym\|bindcode\)\s\+.*$/ contains=i3ConfigVariable,i3ConfigBindKeyword,i3ConfigVariableAndModifier,i3ConfigNumber,i3ConfigUnit,i3ConfigUnitOr,i3ConfigBindArgument,i3ConfigModifier,i3ConfigAction,i3ConfigString,i3ConfigGapStyleKeyword,i3ConfigBorderStyleKeyword
+
+" Floating
+syn keyword i3ConfigSizeSpecial x contained
+syn match i3ConfigNegativeSize /-/ contained
+syn match i3ConfigSize /-\?\d\+\s\?x\s\?-\?\d\+/ contained contains=i3ConfigSizeSpecial,i3ConfigNumber,i3ConfigNegativeSize
+syn match i3ConfigFloating /^\s*floating_modifier\s\+\$\w\+\d\?/ contains=i3ConfigVariable
+syn match i3ConfigFloating /^\s*floating_\(maximum\|minimum\)_size\s\+-\?\d\+\s\?x\s\?-\?\d\+/ contains=i3ConfigSize
+
+" Orientation
+syn keyword i3ConfigOrientationKeyword vertical horizontal auto contained
+syn match i3ConfigOrientation /^\s*default_orientation\s\+\(vertical\|horizontal\|auto\)\s\?$/ contains=i3ConfigOrientationKeyword
+
+" Layout
+syn keyword i3ConfigLayoutKeyword default stacking tabbed contained
+syn match i3ConfigLayout /^\s*workspace_layout\s\+\(default\|stacking\|tabbed\)\s\?$/ contains=i3ConfigLayoutKeyword
+
+" Border style
+syn keyword i3ConfigBorderStyleKeyword none normal pixel contained
+syn match i3ConfigBorderStyle /^\s*\(new_window\|new_float\|default_border\|default_floating_border\)\s\+\(none\|\(normal\|pixel\)\(\s\+\d\+\)\?\(\s\+\$\w\+\(\(-\w\+\)\+\)\?\(\s\|+\)\?\)\?\)\s\?$/ contains=i3ConfigBorderStyleKeyword,i3ConfigNumber,i3ConfigVariable
+
+" Hide borders and edges
+syn keyword i3ConfigEdgeKeyword none vertical horizontal both smart smart_no_gaps contained
+syn match i3ConfigEdge /^\s*hide_edge_borders\s\+\(none\|vertical\|horizontal\|both\|smart\|smart_no_gaps\)\s\?$/ contains=i3ConfigEdgeKeyword
+
+" Arbitrary commands for specific windows (for_window)
+syn keyword i3ConfigCommandKeyword for_window contained
+syn region i3ConfigWindowStringSpecial start=+"+  skip=+\\"+  end=+"+ contained contains=i3ConfigString
+syn region i3ConfigWindowCommandSpecial start="\[" end="\]" contained contains=i3ConfigWindowStringSpacial,i3ConfigString
+syn match i3ConfigArbitraryCommand /^\s*for_window\s\+.*$/ contains=i3ConfigWindowCommandSpecial,i3ConfigCommandKeyword,i3ConfigBorderStyleKeyword,i3ConfigLayoutKeyword,i3ConfigOrientationKeyword,Size,i3ConfigNumber
+
+" Disable focus open opening
+syn keyword i3ConfigNoFocusKeyword no_focus contained
+syn match i3ConfigDisableFocus /^\s*no_focus\s\+.*$/ contains=i3ConfigWindowCommandSpecial,i3ConfigNoFocusKeyword
+
+" Move client to specific workspace automatically
+syn keyword i3ConfigAssignKeyword assign contained
+syn match i3ConfigAssignSpecial /→/ contained
+syn match i3ConfigAssign /^\s*assign\s\+.*$/ contains=i3ConfigAssignKeyword,i3ConfigWindowCommandSpecial,i3ConfigAssignSpecial
+
+" X resources
+syn keyword i3ConfigResourceKeyword set_from_resource contained
+syn match i3ConfigResource /^\s*set_from_resource\s\+.*$/ contains=i3ConfigResourceKeyword,i3ConfigWindowCommandSpecial,i3ConfigColor,i3ConfigVariable
+
+" Auto start applications
+syn keyword i3ConfigExecKeyword exec exec_always contained
+syn match i3ConfigNoStartupId /--no-startup-id/ contained " We are not using i3ConfigBindArgument as only no-startup-id is supported here
+syn match i3ConfigExec /^\s*exec\(_always\)\?\s\+.*$/ contains=i3ConfigExecKeyword,i3ConfigNoStartupId,i3ConfigString
+
+" Automatically putting workspaces on specific screens
+syn keyword i3ConfigWorkspaceKeyword workspace contained
+syn keyword i3ConfigOutput output contained
+syn match i3ConfigWorkspace /^\s*workspace\s\+.*$/ contains=i3ConfigWorkspaceKeyword,i3ConfigNumber,i3ConfigString,i3ConfigOutput
+
+" Changing colors
+syn keyword i3ConfigClientColorKeyword client focused focused_inactive unfocused urgent placeholder background contained
+syn match i3ConfigClientColor /^\s*client.\w\+\s\+.*$/ contains=i3ConfigClientColorKeyword,i3ConfigColor,i3ConfigVariable
+
+syn keyword i3ConfigTitleAlignKeyword left center right contained
+syn match i3ConfigTitleAlign /^\s*title_align\s\+.*$/ contains=i3ConfigTitleAlignKeyword
+
+" Interprocess communication
+syn match i3ConfigInterprocessKeyword /ipc-socket/ contained
+syn match i3ConfigInterprocess /^\s*ipc-socket\s\+.*$/ contains=i3ConfigInterprocessKeyword
+
+" Mouse warping
+syn keyword i3ConfigMouseWarpingKeyword mouse_warping contained
+syn keyword i3ConfigMouseWarpingType output none contained
+syn match i3ConfigMouseWarping /^\s*mouse_warping\s\+\(output\|none\)\s\?$/ contains=i3ConfigMouseWarpingKeyword,i3ConfigMouseWarpingType
+
+" Focus follows mouse
+syn keyword i3ConfigFocusFollowsMouseKeyword focus_follows_mouse contained
+syn keyword i3ConfigFocusFollowsMouseType yes no contained
+syn match i3ConfigFocusFollowsMouse /^\s*focus_follows_mouse\s\+\(yes\|no\)\s\?$/ contains=i3ConfigFocusFollowsMouseKeyword,i3ConfigFocusFollowsMouseType
+
+" Popups during fullscreen mode
+syn keyword i3ConfigPopupOnFullscreenKeyword popup_during_fullscreen contained
+syn keyword i3ConfigPopuponFullscreenType smart ignore leave_fullscreen contained
+syn match i3ConfigPopupOnFullscreen /^\s*popup_during_fullscreen\s\+\w\+\s\?$/ contains=i3ConfigPopupOnFullscreenKeyword,i3ConfigPopupOnFullscreenType
+
+" Focus wrapping
+syn keyword i3ConfigFocusWrappingKeyword force_focus_wrapping focus_wrapping contained
+syn keyword i3ConfigFocusWrappingType yes no contained
+syn match i3ConfigFocusWrapping /^\s*\(force_\)\?focus_wrapping\s\+\(yes\|no\)\s\?$/ contains=i3ConfigFocusWrappingType,i3ConfigFocusWrappingKeyword
+
+" Forcing Xinerama
+syn keyword i3ConfigForceXineramaKeyword force_xinerama contained
+syn match i3ConfigForceXinerama /^\s*force_xinerama\s\+\(yes\|no\)\s\?$/ contains=i3ConfigFocusWrappingType,i3ConfigForceXineramaKeyword
+
+" Automatic back-and-forth when switching to the current workspace
+syn keyword i3ConfigAutomaticSwitchKeyword workspace_auto_back_and_forth contained
+syn match i3ConfigAutomaticSwitch /^\s*workspace_auto_back_and_forth\s\+\(yes\|no\)\s\?$/ contains=i3ConfigFocusWrappingType,i3ConfigAutomaticSwitchKeyword
+
+" Delay urgency hint
+syn keyword i3ConfigTimeUnit ms contained
+syn keyword i3ConfigDelayUrgencyKeyword force_display_urgency_hint contained
+syn match i3ConfigDelayUrgency /^\s*force_display_urgency_hint\s\+\d\+\s\+ms\s\?$/ contains=i3ConfigFocusWrappingType,i3ConfigDelayUrgencyKeyword,i3ConfigNumber,i3ConfigTimeUnit
+
+" Focus on window activation
+syn keyword i3ConfigFocusOnActivationKeyword focus_on_window_activation contained
+syn keyword i3ConfigFocusOnActivationType smart urgent focus none contained
+syn match i3ConfigFocusOnActivation /^\s*focus_on_window_activation\s\+\(smart\|urgent\|focus\|none\)\s\?$/  contains=i3ConfigFocusOnActivationKeyword,i3ConfigFocusOnActivationType
+
+" Automatic back-and-forth when switching to the current workspace
+syn keyword i3ConfigDrawingMarksKeyword show_marks contained
+syn match i3ConfigDrawingMarks /^\s*show_marks\s\+\(yes\|no\)\s\?$/ contains=i3ConfigFocusWrappingType,i3ConfigDrawingMarksKeyword
+
+" Group mode/bar
+syn keyword i3ConfigBlockKeyword mode bar colors i3bar_command status_command position exec mode hidden_state modifier id position output background statusline tray_output tray_padding separator separator_symbol workspace_buttons strip_workspace_numbers binding_mode_indicator focused_workspace active_workspace inactive_workspace urgent_workspace binding_mode contained
+syn region i3ConfigBlock start=+.*s\?{$+ end=+^}$+ contains=i3ConfigBlockKeyword,i3ConfigString,i3ConfigBind,i3ConfigComment,i3ConfigFont,i3ConfigFocusWrappingType,i3ConfigColor,i3ConfigVariable transparent keepend extend
+
+" Line continuation
+syn region i3ConfigLineCont start=/^.*\\$/ end=/^.*$/ contains=i3ConfigBlockKeyword,i3ConfigString,i3ConfigBind,i3ConfigComment,i3ConfigFont,i3ConfigFocusWrappingType,i3ConfigColor,i3ConfigVariable transparent keepend extend
+
+" Define the highlighting.
+hi def link i3ConfigError                           Error
+hi def link i3ConfigTodo                            Todo
+hi def link i3ConfigComment                         Comment
+hi def link i3ConfigFontContent                     Type
+hi def link i3ConfigFocusOnActivationType           Type
+hi def link i3ConfigPopupOnFullscreenType           Type
+hi def link i3ConfigOrientationKeyword              Type
+hi def link i3ConfigMouseWarpingType                Type
+hi def link i3ConfigFocusFollowsMouseType           Type
+hi def link i3ConfigGapStyleKeyword                 Type
+hi def link i3ConfigTitleAlignKeyword               Type
+hi def link i3ConfigSmartGapKeyword                 Type
+hi def link i3ConfigSmartBorderKeyword              Type
+hi def link i3ConfigLayoutKeyword                   Type
+hi def link i3ConfigBorderStyleKeyword              Type
+hi def link i3ConfigEdgeKeyword                     Type
+hi def link i3ConfigAction                          Type
+hi def link i3ConfigCommand                         Type
+hi def link i3ConfigOutput                          Type
+hi def link i3ConfigWindowCommandSpecial            Type
+hi def link i3ConfigFocusWrappingType               Type
+hi def link i3ConfigUnitOr                          Type
+hi def link i3ConfigFontSize                        Constant
+hi def link i3ConfigColor                           Constant
+hi def link i3ConfigNumber                          Constant
+hi def link i3ConfigUnit                            Constant
+hi def link i3ConfigVariableAndModifier             Constant
+hi def link i3ConfigTimeUnit                        Constant
+hi def link i3ConfigModifier                        Constant
+hi def link i3ConfigString                          Constant
+hi def link i3ConfigNegativeSize                    Constant
+hi def link i3ConfigFontSeparator                   Special
+hi def link i3ConfigVariableModifier                Special
+hi def link i3ConfigSizeSpecial                     Special
+hi def link i3ConfigWindowSpecial                   Special
+hi def link i3ConfigAssignSpecial                   Special
+hi def link i3ConfigFontNamespace                   PreProc
+hi def link i3ConfigBindArgument                    PreProc
+hi def link i3ConfigNoStartupId                     PreProc
+hi def link i3ConfigFontKeyword                     Identifier
+hi def link i3ConfigBindKeyword                     Identifier
+hi def link i3ConfigOrientation                     Identifier
+hi def link i3ConfigGapStyle                        Identifier
+hi def link i3ConfigTitleAlign                      Identifier
+hi def link i3ConfigSmartGap                        Identifier
+hi def link i3ConfigSmartBorder                     Identifier
+hi def link i3ConfigLayout                          Identifier
+hi def link i3ConfigBorderStyle                     Identifier
+hi def link i3ConfigEdge                            Identifier
+hi def link i3ConfigFloating                        Identifier
+hi def link i3ConfigCommandKeyword                  Identifier
+hi def link i3ConfigNoFocusKeyword                  Identifier
+hi def link i3ConfigInitializeKeyword               Identifier
+hi def link i3ConfigAssignKeyword                   Identifier
+hi def link i3ConfigResourceKeyword                 Identifier
+hi def link i3ConfigExecKeyword                     Identifier
+hi def link i3ConfigWorkspaceKeyword                Identifier
+hi def link i3ConfigClientColorKeyword              Identifier
+hi def link i3ConfigInterprocessKeyword             Identifier
+hi def link i3ConfigMouseWarpingKeyword             Identifier
+hi def link i3ConfigFocusFollowsMouseKeyword        Identifier
+hi def link i3ConfigPopupOnFullscreenKeyword        Identifier
+hi def link i3ConfigFocusWrappingKeyword            Identifier
+hi def link i3ConfigForceXineramaKeyword            Identifier
+hi def link i3ConfigAutomaticSwitchKeyword          Identifier
+hi def link i3ConfigDelayUrgencyKeyword             Identifier
+hi def link i3ConfigFocusOnActivationKeyword        Identifier
+hi def link i3ConfigDrawingMarksKeyword             Identifier
+hi def link i3ConfigBlockKeyword                    Identifier
+hi def link i3ConfigVariable                        Statement
+hi def link i3ConfigArbitraryCommand                Type
+
+let b:current_syntax = "i3config"
diff --git a/runtime/syntax/python.vim b/runtime/syntax/python.vim
--- a/runtime/syntax/python.vim
+++ b/runtime/syntax/python.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:	Python
 " Maintainer:	Zvezdan Petkovic <zpetkovic@acm.org>
-" Last Change:	2021 Feb 15
+" Last Change:	2021 Dec 10
 " Credits:	Neil Schemenauer <nas@python.ca>
 "		Dmitry Vasiliev
 "
@@ -77,13 +77,14 @@ endif
 "
 " The list can be checked using:
 "
-" python3 -c 'import keyword, pprint; pprint.pprint(keyword.kwlist, compact=True)'
+" python3 -c 'import keyword, pprint; pprint.pprint(keyword.kwlist + keyword.softkwlist, compact=True)'
 "
 syn keyword pythonStatement	False None True
 syn keyword pythonStatement	as assert break continue del global
 syn keyword pythonStatement	lambda nonlocal pass return with yield
 syn keyword pythonStatement	class def nextgroup=pythonFunction skipwhite
 syn keyword pythonConditional	elif else if
+syn keyword pythonConditional	case match
 syn keyword pythonRepeat	for while
 syn keyword pythonOperator	and in is not or
 syn keyword pythonException	except finally raise try
diff --git a/runtime/syntax/texinfo.vim b/runtime/syntax/texinfo.vim
--- a/runtime/syntax/texinfo.vim
+++ b/runtime/syntax/texinfo.vim
@@ -1,396 +1,46 @@
 " Vim syntax file
-" Language:	Texinfo (macro package for TeX)
-" Maintainer:	Sandor Kopanyi <sandor.kopanyi@mailbox.hu>
-" URL:		<->
-" Last Change:	2004 Jun 23
-"
-" the file follows the Texinfo manual structure; this file is based
-" on manual for Texinfo version 4.0, 28 September 1999
-" since @ can have special meanings, everything is 'match'-ed and 'region'-ed
-" (including @ in 'iskeyword' option has unexpected effects)
+" Language:         Texinfo (documentation format)
+" Maintainer:       Robert Dodier <robert.dodier@gmail.com>
+" Latest Revision:  2021-12-15
 
-" quit when a syntax file was already loaded
 if exists("b:current_syntax")
   finish
 endif
 
-if !exists("main_syntax")
-  let main_syntax = 'texinfo'
+let s:cpo_save = &cpo
+set cpo&vim
+
+syn match texinfoControlSequence display '\(@end [a-zA-Z@]\+\|@[a-zA-Z@]\+\)'
+
+syn match texinfoComment         display '^\s*\(@comment\|@c\)\>.*$'
+
+syn region texinfoCode matchgroup=texinfoControlSequence start="@code{" end="}" contains=ALL
+syn region texinfoVerb matchgroup=texinfoControlSequence start="@verb{" end="}" contains=ALL
+
+syn region texinfoArgument matchgroup=texinfoBrace start="{" end="}" contains=ALLBUT
+
+syn region texinfoExample matchgroup=texinfoControlSequence start="^@example\s*$" end="^@end example\s*$" contains=ALL
+
+syn region texinfoVerbatim matchgroup=texinfoControlSequence start="^@verbatim\s*$" end="^@end verbatim\s*$"
+
+syn region texinfoMenu matchgroup=texinfoControlSequence start="^@menu\s*$" end="^@end menu\s*$"
+
+if exists("g:texinfo_delimiters")
+  syn match texinfoDelimiter display '[][{}]'
 endif
 
-"in Texinfo can be real big things, like tables; sync for that
-syn sync lines=200
-
-"some general stuff
-"syn match texinfoError     "\S" contained TODO
-syn match texinfoIdent	    "\k\+"		  contained "IDENTifier
-syn match texinfoAssignment "\k\+\s*=\s*\k\+\s*$" contained "assigment statement ( var = val )
-syn match texinfoSinglePar  "\k\+\s*$"		  contained "single parameter (used for several @-commands)
-syn match texinfoIndexPar   "\k\k\s*$"		  contained "param. used for different *index commands (+ @documentlanguage command)
-
-
-"marking words and phrases (chap. 9 in Texinfo manual)
-"(almost) everything appears as 'contained' too; is for tables (@table)
-
-"this chapter is at the beginning of this file to avoid overwritings
-
-syn match texinfoSpecialChar				    "@acronym"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@acronym{" end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@b"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@b{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@cite"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@cite{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@code"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@code{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@command"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@command{" end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@dfn"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@dfn{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@email"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@email{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@emph"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@emph{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@env"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@env{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@file"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@file{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@i"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@i{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@kbd"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@kbd{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@key"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@key{"	end="}" contains=texinfoSpecialChar
-syn match texinfoSpecialChar				    "@option"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@option{"	end="}" contains=texinfoSpecialChar
-syn match texinfoSpecialChar				    "@r"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@r{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@samp"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@samp{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@sc"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@sc{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@strong"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@strong{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@t"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@t{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@url"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@url{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoSpecialChar				    "@var"		contained
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@var{"	end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn match texinfoAtCmd "^@kbdinputstyle" nextgroup=texinfoSinglePar skipwhite
-
-
-"overview of Texinfo (chap. 1 in Texinfo manual)
-syn match texinfoComment  "@c .*"
-syn match texinfoComment  "@c$"
-syn match texinfoComment  "@comment .*"
-syn region texinfoMltlnAtCmd matchgroup=texinfoComment start="^@ignore\s*$" end="^@end ignore\s*$" contains=ALL
-
-
-"beginning a Texinfo file (chap. 3 in Texinfo manual)
-syn region texinfoPrmAtCmd     matchgroup=texinfoAtCmd start="@center "		 skip="\\$" end="$"		       contains=texinfoSpecialChar,texinfoBrcPrmAtCmd oneline
-syn region texinfoMltlnDMAtCmd matchgroup=texinfoAtCmd start="^@detailmenu\s*$"		    end="^@end detailmenu\s*$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn region texinfoPrmAtCmd     matchgroup=texinfoAtCmd start="^@setfilename "    skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd     matchgroup=texinfoAtCmd start="^@settitle "       skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd     matchgroup=texinfoAtCmd start="^@shorttitlepage " skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd     matchgroup=texinfoAtCmd start="^@title "		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoBrcPrmAtCmd  matchgroup=texinfoAtCmd start="@titlefont{"		    end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn region texinfoMltlnAtCmd   matchgroup=texinfoAtCmd start="^@titlepage\s*$"		    end="^@end titlepage\s*$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd,texinfoMltlnDMAtCmd,texinfoAtCmd,texinfoPrmAtCmd,texinfoMltlnAtCmd
-syn region texinfoPrmAtCmd     matchgroup=texinfoAtCmd start="^@vskip "		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn match texinfoAtCmd "^@exampleindent"     nextgroup=texinfoSinglePar skipwhite
-syn match texinfoAtCmd "^@headings"	     nextgroup=texinfoSinglePar skipwhite
-syn match texinfoAtCmd "^\\input"	     nextgroup=texinfoSinglePar skipwhite
-syn match texinfoAtCmd "^@paragraphindent"   nextgroup=texinfoSinglePar skipwhite
-syn match texinfoAtCmd "^@setchapternewpage" nextgroup=texinfoSinglePar skipwhite
-
-
-"ending a Texinfo file (chap. 4 in Texinfo manual)
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="@author " skip="\\$" end="$" contains=texinfoSpecialChar oneline
-"all below @bye should be comment TODO
-syn match texinfoAtCmd "^@bye\s*$"
-syn match texinfoAtCmd "^@contents\s*$"
-syn match texinfoAtCmd "^@printindex" nextgroup=texinfoIndexPar skipwhite
-syn match texinfoAtCmd "^@setcontentsaftertitlepage\s*$"
-syn match texinfoAtCmd "^@setshortcontentsaftertitlepage\s*$"
-syn match texinfoAtCmd "^@shortcontents\s*$"
-syn match texinfoAtCmd "^@summarycontents\s*$"
-
-
-"chapter structuring (chap. 5 in Texinfo manual)
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@appendix"		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@appendixsec"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@appendixsection"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@appendixsubsec"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@appendixsubsubsec"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@centerchap"		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@chapheading"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@chapter"		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@heading"		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@majorheading"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@section"		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@subheading "	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@subsection"		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@subsubheading"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@subsubsection"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@subtitle"		 skip="\\$" end="$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@unnumbered"		 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@unnumberedsec"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@unnumberedsubsec"	 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@unnumberedsubsubsec" skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn match  texinfoAtCmd "^@lowersections\s*$"
-syn match  texinfoAtCmd "^@raisesections\s*$"
-
-
-"nodes (chap. 6 in Texinfo manual)
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@anchor{"		  end="}"
-syn region texinfoPrmAtCmd    matchgroup=texinfoAtCmd start="^@top"    skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd    matchgroup=texinfoAtCmd start="^@node"   skip="\\$" end="$" contains=texinfoSpecialChar oneline
-
-
-"menus (chap. 7 in Texinfo manual)
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@menu\s*$" end="^@end menu\s*$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd,texinfoMltlnDMAtCmd
-
-
-"cross references (chap. 8 in Texinfo manual)
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@inforef{" end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@pxref{"   end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@ref{"     end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@uref{"    end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@xref{"    end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-
-
-"marking words and phrases (chap. 9 in Texinfo manual)
-"(almost) everything appears as 'contained' too; is for tables (@table)
-
-"this chapter is at the beginning of this file to avoid overwritings
-
-
-"quotations and examples (chap. 10 in Texinfo manual)
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@cartouche\s*$"	    end="^@end cartouche\s*$"	    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@display\s*$"	    end="^@end display\s*$"	    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@example\s*$"	    end="^@end example\s*$"	    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@flushleft\s*$"	    end="^@end flushleft\s*$"	    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@flushright\s*$"	    end="^@end flushright\s*$"	    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@format\s*$"	    end="^@end format\s*$"	    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@lisp\s*$"		    end="^@end lisp\s*$"	    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@quotation\s*$"	    end="^@end quotation\s*$"	    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@smalldisplay\s*$"     end="^@end smalldisplay\s*$"    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@smallexample\s*$"     end="^@end smallexample\s*$"    contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@smallformat\s*$"	    end="^@end smallformat\s*$"     contains=ALL
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@smalllisp\s*$"	    end="^@end smalllisp\s*$"	    contains=ALL
-syn region texinfoPrmAtCmd   matchgroup=texinfoAtCmd start="^@exdent"	 skip="\\$" end="$"			    contains=texinfoSpecialChar oneline
-syn match texinfoAtCmd "^@noindent\s*$"
-syn match texinfoAtCmd "^@smallbook\s*$"
-
-
-"lists and tables (chap. 11 in Texinfo manual)
-syn match texinfoAtCmd "@asis"		   contained
-syn match texinfoAtCmd "@columnfractions"  contained
-syn match texinfoAtCmd "@item"		   contained
-syn match texinfoAtCmd "@itemx"		   contained
-syn match texinfoAtCmd "@tab"		   contained
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@enumerate"  end="^@end enumerate\s*$"  contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@ftable"     end="^@end ftable\s*$"     contains=ALL
-syn region texinfoMltlnNAtCmd matchgroup=texinfoAtCmd start="^@itemize"    end="^@end itemize\s*$"    contains=ALL
-syn region texinfoMltlnNAtCmd matchgroup=texinfoAtCmd start="^@multitable" end="^@end multitable\s*$" contains=ALL
-syn region texinfoMltlnNAtCmd matchgroup=texinfoAtCmd start="^@table"      end="^@end table\s*$"      contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@vtable"     end="^@end vtable\s*$"     contains=ALL
-
-
-"indices (chap. 12 in Texinfo manual)
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@\(c\|f\|k\|p\|t\|v\)index"   skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@..index"			 skip="\\$" end="$" contains=texinfoSpecialChar oneline
-"@defcodeindex and @defindex is defined after chap. 15's @def* commands (otherwise those ones will overwrite these ones)
-syn match texinfoSIPar "\k\k\s*\k\k\s*$" contained
-syn match texinfoAtCmd "^@syncodeindex" nextgroup=texinfoSIPar skipwhite
-syn match texinfoAtCmd "^@synindex"     nextgroup=texinfoSIPar skipwhite
-
-"special insertions (chap. 13 in Texinfo manual)
-syn match texinfoSpecialChar "@\(!\|?\|@\|\s\)"
-syn match texinfoSpecialChar "@{"
-syn match texinfoSpecialChar "@}"
-"accents
-syn match texinfoSpecialChar "@=."
-syn match texinfoSpecialChar "@\('\|\"\|\^\|`\)[aeiouyAEIOUY]"
-syn match texinfoSpecialChar "@\~[aeinouyAEINOUY]"
-syn match texinfoSpecialChar "@dotaccent{.}"
-syn match texinfoSpecialChar "@H{.}"
-syn match texinfoSpecialChar "@,{[cC]}"
-syn match texinfoSpecialChar "@AA{}"
-syn match texinfoSpecialChar "@aa{}"
-syn match texinfoSpecialChar "@L{}"
-syn match texinfoSpecialChar "@l{}"
-syn match texinfoSpecialChar "@O{}"
-syn match texinfoSpecialChar "@o{}"
-syn match texinfoSpecialChar "@ringaccent{.}"
-syn match texinfoSpecialChar "@tieaccent{..}"
-syn match texinfoSpecialChar "@u{.}"
-syn match texinfoSpecialChar "@ubaraccent{.}"
-syn match texinfoSpecialChar "@udotaccent{.}"
-syn match texinfoSpecialChar "@v{.}"
-"ligatures
-syn match texinfoSpecialChar "@AE{}"
-syn match texinfoSpecialChar "@ae{}"
-syn match texinfoSpecialChar "@copyright{}"
-syn match texinfoSpecialChar "@bullet" contained "for tables and lists
-syn match texinfoSpecialChar "@bullet{}"
-syn match texinfoSpecialChar "@dotless{i}"
-syn match texinfoSpecialChar "@dotless{j}"
-syn match texinfoSpecialChar "@dots{}"
-syn match texinfoSpecialChar "@enddots{}"
-syn match texinfoSpecialChar "@equiv" contained "for tables and lists
-syn match texinfoSpecialChar "@equiv{}"
-syn match texinfoSpecialChar "@error{}"
-syn match texinfoSpecialChar "@exclamdown{}"
-syn match texinfoSpecialChar "@expansion{}"
-syn match texinfoSpecialChar "@minus" contained "for tables and lists
-syn match texinfoSpecialChar "@minus{}"
-syn match texinfoSpecialChar "@OE{}"
-syn match texinfoSpecialChar "@oe{}"
-syn match texinfoSpecialChar "@point" contained "for tables and lists
-syn match texinfoSpecialChar "@point{}"
-syn match texinfoSpecialChar "@pounds{}"
-syn match texinfoSpecialChar "@print{}"
-syn match texinfoSpecialChar "@questiondown{}"
-syn match texinfoSpecialChar "@result" contained "for tables and lists
-syn match texinfoSpecialChar "@result{}"
-syn match texinfoSpecialChar "@ss{}"
-syn match texinfoSpecialChar "@TeX{}"
-"other
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@dmn{"      end="}"
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@footnote{" end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@image{"    end="}"
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@math{"     end="}"
-syn match texinfoAtCmd "@footnotestyle" nextgroup=texinfoSinglePar skipwhite
-
-
-"making and preventing breaks (chap. 14 in Texinfo manual)
-syn match texinfoSpecialChar  "@\(\*\|-\|\.\)"
-syn match texinfoAtCmd	      "^@need"	   nextgroup=texinfoSinglePar skipwhite
-syn match texinfoAtCmd	      "^@page\s*$"
-syn match texinfoAtCmd	      "^@sp"	   nextgroup=texinfoSinglePar skipwhite
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@group\s*$"   end="^@end group\s*$" contains=ALL
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@hyphenation{" end="}"
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@w{"	    end="}"		  contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-
-
-"definition commands (chap. 15 in Texinfo manual)
-syn match texinfoMltlnAtCmdFLine "^@def\k\+" contained
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@def\k\+" end="^@end def\k\+$"      contains=ALL
-
-"next 2 commands are from chap. 12; must be defined after @def* commands above to overwrite them
-syn match texinfoAtCmd "@defcodeindex" nextgroup=texinfoIndexPar skipwhite
-syn match texinfoAtCmd "@defindex" nextgroup=texinfoIndexPar skipwhite
-
-
-"conditionally visible text (chap. 16 in Texinfo manual)
-syn match texinfoAtCmd "^@clear" nextgroup=texinfoSinglePar skipwhite
-syn region texinfoMltln2AtCmd matchgroup=texinfoAtCmd start="^@html\s*$"	end="^@end html\s*$"
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@ifclear"		end="^@end ifclear\s*$"   contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@ifhtml"		end="^@end ifhtml\s*$"	  contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@ifinfo"		end="^@end ifinfo\s*$"	  contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@ifnothtml"	end="^@end ifnothtml\s*$" contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@ifnotinfo"	end="^@end ifnotinfo\s*$" contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@ifnottex"	end="^@end ifnottex\s*$"  contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@ifset"		end="^@end ifset\s*$"	  contains=ALL
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@iftex"		end="^@end iftex\s*$"	  contains=ALL
-syn region texinfoPrmAtCmd    matchgroup=texinfoAtCmd start="^@set " skip="\\$" end="$" contains=texinfoSpecialChar oneline
-syn region texinfoTexCmd			      start="\$\$"		end="\$\$" contained
-syn region texinfoMltlnAtCmd  matchgroup=texinfoAtCmd start="^@tex"		end="^@end tex\s*$"	  contains=texinfoTexCmd
-syn region texinfoBrcPrmAtCmd matchgroup=texinfoAtCmd start="@value{"		end="}" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-
-
-"internationalization (chap. 17 in Texinfo manual)
-syn match texinfoAtCmd "@documentencoding" nextgroup=texinfoSinglePar skipwhite
-syn match texinfoAtCmd "@documentlanguage" nextgroup=texinfoIndexPar skipwhite
-
-
-"defining new texinfo commands (chap. 18 in Texinfo manual)
-syn match texinfoAtCmd	"@alias"		      nextgroup=texinfoAssignment skipwhite
-syn match texinfoDIEPar "\S*\s*,\s*\S*\s*,\s*\S*\s*$" contained
-syn match texinfoAtCmd	"@definfoenclose"	      nextgroup=texinfoDIEPar	  skipwhite
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@macro" end="^@end macro\s*$" contains=ALL
-
-
-"formatting hardcopy (chap. 19 in Texinfo manual)
-syn match texinfoAtCmd "^@afourlatex\s*$"
-syn match texinfoAtCmd "^@afourpaper\s*$"
-syn match texinfoAtCmd "^@afourwide\s*$"
-syn match texinfoAtCmd "^@finalout\s*$"
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@pagesizes" end="$" oneline
-
-
-"creating and installing Info Files (chap. 20 in Texinfo manual)
-syn region texinfoPrmAtCmd   matchgroup=texinfoAtCmd start="^@dircategory"  skip="\\$" end="$" oneline
-syn region texinfoMltlnAtCmd matchgroup=texinfoAtCmd start="^@direntry\s*$"	       end="^@end direntry\s*$" contains=texinfoSpecialChar
-syn match  texinfoAtCmd "^@novalidate\s*$"
-
-
-"include files (appendix E in Texinfo manual)
-syn match texinfoAtCmd "^@include" nextgroup=texinfoSinglePar skipwhite
-
-
-"page headings (appendix F in Texinfo manual)
-syn match texinfoHFSpecialChar "@|"		  contained
-syn match texinfoThisAtCmd     "@thischapter"	  contained
-syn match texinfoThisAtCmd     "@thischaptername" contained
-syn match texinfoThisAtCmd     "@thisfile"	  contained
-syn match texinfoThisAtCmd     "@thispage"	  contained
-syn match texinfoThisAtCmd     "@thistitle"	  contained
-syn match texinfoThisAtCmd     "@today{}"	  contained
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@evenfooting"  skip="\\$" end="$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd,texinfoThisAtCmd,texinfoHFSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@evenheading"  skip="\\$" end="$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd,texinfoThisAtCmd,texinfoHFSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@everyfooting" skip="\\$" end="$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd,texinfoThisAtCmd,texinfoHFSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@everyheading" skip="\\$" end="$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd,texinfoThisAtCmd,texinfoHFSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@oddfooting"   skip="\\$" end="$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd,texinfoThisAtCmd,texinfoHFSpecialChar oneline
-syn region texinfoPrmAtCmd matchgroup=texinfoAtCmd start="^@oddheading"   skip="\\$" end="$" contains=texinfoSpecialChar,texinfoBrcPrmAtCmd,texinfoThisAtCmd,texinfoHFSpecialChar oneline
-
-
-"refilling paragraphs (appendix H in Texinfo manual)
-syn match  texinfoAtCmd "@refill"
-
-
-syn cluster texinfoAll contains=ALLBUT,texinfoThisAtCmd,texinfoHFSpecialChar
-syn cluster texinfoReducedAll contains=texinfoSpecialChar,texinfoBrcPrmAtCmd
-"==============================================================================
-" highlighting
-
-" Only when an item doesn't have highlighting yet
-
-hi def link texinfoSpecialChar	Special
-hi def link texinfoHFSpecialChar	Special
-
-hi def link texinfoError		Error
-hi def link texinfoIdent		Identifier
-hi def link texinfoAssignment	Identifier
-hi def link texinfoSinglePar	Identifier
-hi def link texinfoIndexPar	Identifier
-hi def link texinfoSIPar		Identifier
-hi def link texinfoDIEPar		Identifier
-hi def link texinfoTexCmd		PreProc
-
-
-hi def link texinfoAtCmd		Statement	"@-command
-hi def link texinfoPrmAtCmd	String		"@-command in one line with unknown nr. of parameters
-					      "is String because is found as a region and is 'matchgroup'-ed
-					      "to texinfoAtCmd
-hi def link texinfoBrcPrmAtCmd	String		"@-command with parameter(s) in braces ({})
-					      "is String because is found as a region and is 'matchgroup'-ed to texinfoAtCmd
-hi def link texinfoMltlnAtCmdFLine  texinfoAtCmd	"repeated embedded First lines in @-commands
-hi def link texinfoMltlnAtCmd	String		"@-command in multiple lines
-					      "is String because is found as a region and is 'matchgroup'-ed to texinfoAtCmd
-hi def link texinfoMltln2AtCmd	PreProc		"@-command in multiple lines (same as texinfoMltlnAtCmd, just with other colors)
-hi def link texinfoMltlnDMAtCmd	PreProc		"@-command in multiple lines (same as texinfoMltlnAtCmd, just with other colors; used for @detailmenu, which can be included in @menu)
-hi def link texinfoMltlnNAtCmd	Normal		"@-command in multiple lines (same as texinfoMltlnAtCmd, just with other colors)
-hi def link texinfoThisAtCmd	Statement	"@-command used in headers and footers (@this... series)
-
-hi def link texinfoComment	Comment
-
-
+hi def link texinfoDelimiter       Delimiter
+hi def link texinfoComment         Comment
+hi def link texinfoControlSequence Identifier
+hi def link texinfoBrace           Operator
+hi def link texinfoArgument        Special
+hi def link texinfoExample         String
+hi def link texinfoVerbatim        String
+hi def link texinfoVerb            String
+hi def link texinfoCode            String
+hi def link texinfoMenu            String
 
 let b:current_syntax = "texinfo"
 
-if main_syntax == 'texinfo'
-  unlet main_syntax
-endif
-
-" vim: ts=8
+let &cpo = s:cpo_save
+unlet s:cpo_save
diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -1,8 +1,8 @@
 " Vim syntax file
 " Language:	Vim 8.2 script
 " Maintainer:	Charles E. Campbell <NcampObell@SdrPchip.AorgM-NOSPAM>
-" Last Change:	December 02, 2021
-" Version:	8.2-18
+" Last Change:	December 11, 2021
+" Version:	8.2-19
 " URL:	http://www.drchip.org/astronaut/vim/index.html#SYNTAX_VIM
 " Automatically generated keyword lists: {{{1
 
@@ -29,14 +29,14 @@ syn match   vimCommand contained	"\<z[-+
 syn keyword vimStdPlugin contained	Arguments Asm Break Cfilter Clear Continue DiffOrig Evaluate Finish Gdb Lfilter Man N[ext] Over P[rint] Program Run S Source Step Stop Termdebug TermdebugCommand TOhtml Winbar XMLent XMLns
 
 " vimOptions are caught only when contained in a vimSet {{{2
-syn keyword vimOption contained	acd ambw arshape aw backupskip beval bk bri bufhidden cdpath cindent cm colorcolumn completeopt cp cscopeprg csprg culopt def diffexpr ea ei ep eventignore fdi fenc fileformat fkmap foldexpr foldopen fsync gfw gtt guipty hi hkp ignorecase imd imstatusfunc indentkeys isfname js langmap linebreak lmap lw mat maxmemtot mkspellmem mod mousef mousetime nf ofu para penc pm previewwindow printoptions pw qftf relativenumber rightleftcmd ru sbr scrollfocus sel shellcmdflag shellxquote showfulltag signcolumn smc spell splitbelow ssl stl sw sxe tabpagemax tagrelative tbis termencoding textauto thesaurus titleold top ttimeout ttymouse twt undofile varsofttabstop verbosefile viminfofile wak weirdinvert wig wildoptions winheight wm wrapscan
-syn keyword vimOption contained	ai anti asd awa balloondelay bevalterm bkc briopt buflisted cedit cink cmdheight columns completepopup cpo cscopequickfix csqf cursorbind define diffopt ead ek equalalways ex fdl fencs fileformats flp foldignore foldtext ft ghr guicursor guitablabel hid hl im imdisable imstyle indk isi key langmenu lines lnr lz matchpairs mco ml modeline mousefocus mp nrformats omnifunc paragraphs perldll pmbcs printdevice prompt pythondll quickfixtextfunc remap rl rubydll sc scrolljump selection shellpipe shiftround showmatch siso smd spellcapcheck splitright ssop stmp swapfile sxq tabstop tags tbs termguicolors textmode thesaurusfunc titlestring tpm ttimeoutlen ttyscroll tx undolevels vartabstop vfile virtualedit warn wfh wildchar wim winminheight wmh write
-syn keyword vimOption contained	akm antialias autochdir background ballooneval bex bl brk buftype cf cinkeys cmdwinheight com completeslash cpoptions cscoperelative csre cursorcolumn delcombine digraph eadirection emo equalprg expandtab fdls fex fileignorecase fml foldlevel formatexpr gcr gli guifont guitabtooltip hidden hlg imactivatefunc imi inc inex isident keymap langnoremap linespace loadplugins ma matchtime mef mle modelineexpr mousehide mps nu opendevice paste pex pmbfn printencoding pt pythonhome quoteescape renderoptions rlc ruf scb scrolloff selectmode shellquote shiftwidth showmode sj sn spellfile spo st sts swapsync syn tag tagstack tc termwinkey textwidth tildeop tl tr ttm ttytype uc undoreload vb vi visualbell wb wfw wildcharm winaltkeys winminwidth wmnu writeany
-syn keyword vimOption contained	al ar autoindent backspace balloonevalterm bexpr bo browsedir casemap cfu cino cmp comments concealcursor cpp cscopetag cst cursorline dex dip eb emoji errorbells exrc fdm ff filetype fmr foldlevelstart formatlistpat gd go guifontset helpfile highlight hls imactivatekey iminsert include inf isk keymodel langremap lisp lpl macatsui maxcombine menc mls modelines mousem msm number operatorfunc pastetoggle pexpr popt printexpr pumheight pythonthreedll rdt report rnu ruler scf scrollopt sessionoptions shellredir shm showtabline slm so spelllang spr sta su swb synmaxcol tagbsearch tal tcldll termwinscroll tf timeout tm ts tty tw udf updatecount vbs viewdir vop wc wh wildignore wincolor winptydll wmw writebackup
-syn keyword vimOption contained	aleph arab autoread backup balloonexpr bg bomb bs cb ch cinoptions cms commentstring conceallevel cpt cscopetagorder csto cursorlineopt dg dir ed enc errorfile fcl fdn ffs fillchars fo foldmarker formatoptions gdefault gp guifontwide helpheight history hlsearch imaf ims includeexpr infercase iskeyword keywordprg laststatus lispwords lrm magic maxfuncdepth menuitems mm modifiable mousemodel mzq numberwidth opfunc patchexpr pfn pp printfont pumwidth pythonthreehome re restorescreen ro rulerformat scl scs sft shellslash shortmess shq sm softtabstop spelloptions sps stal sua swf syntax tagcase tb tenc termwinsize tfu timeoutlen to tsl ttybuiltin twk udir updatetime vdir viewoptions vsts wcm whichwrap wildignorecase window winwidth wop writedelay
-syn keyword vimOption contained	allowrevins arabic autoshelldir backupcopy bdir bh breakat bsdir cc charconvert cinw co compatible confirm crb cscopeverbose csverb cwh dict directory edcompatible encoding errorformat fcs fdo fic fixendofline foldclose foldmethod formatprg gfm grepformat guiheadroom helplang hk ic imak imsearch incsearch insertmode isp km lazyredraw list ls makeef maxmapdepth mfd mmd modified mouses mzquantum nuw osfiletype patchmode ph preserveindent printheader pvh pyx readonly revins rop runtimepath scr sect sh shelltemp shortname si smartcase sol spellsuggest sr startofline suffixes switchbuf ta tagfunc tbi term termwintype tgc title toolbar tsr ttyfast tws ul ur ve vif vts wcr wi wildmenu winfixheight wiv wrap ws
-syn keyword vimOption contained	altkeymap arabicshape autowrite backupdir bdlay bin breakindent bsk ccv ci cinwords cocu complete copyindent cryptmethod csl cuc debug dictionary display ef endofline esckeys fdc fdt fileencoding fixeol foldcolumn foldminlines fp gfn grepprg guiligatures hf hkmap icon imc imsf inde is isprint kmp lbr listchars lsp makeencoding maxmem mh mmp more mouseshape mzschemedll odev pa path pheader previewheight printmbcharset pvp pyxversion redrawtime ri rs sb scroll sections shcf shelltype showbreak sidescroll smartindent sp spf srr statusline suffixesadd sws tabline taglength tbidi termbidi terse tgst titlelen toolbariconsize tsrfu ttym twsl undodir ut verbose viminfo wa wd wic wildmode winfixwidth wiw wrapmargin ww
-syn keyword vimOption contained	ambiwidth ari autowriteall backupext belloff binary breakindentopt bt cd cin clipboard cole completefunc cot cscopepathcomp cspc cul deco diff dy efm eol et fde fen fileencodings fk foldenable foldnestmax fs gfs gtl guioptions hh hkmapp iconstring imcmdline imst indentexpr isf joinspaces kp lcs lm luadll makeprg maxmempattern mis mmt mouse mouset mzschemegcdll oft packpath pdev pi previewpopup printmbfont pvw qe regexpengine rightleft rtp sbo scrollbind secure shell shellxescape showcmd sidescrolloff smarttab spc spl ss
+syn keyword vimOption contained	acd ambw arshape aw backupskip beval bk bri bufhidden cdh ci cinwords cocu complete copyindent cryptmethod csl cuc debug dictionary display ef endofline esckeys fdc fdt fileencoding fixeol foldcolumn foldminlines fp gfn grepprg guiligatures hf hkmap icon imc imsf inde is isprint kmp lbr listchars lsp makeencoding maxmem mh mmp more mouseshape mzschemedll odev pa path pheader previewheight printmbcharset pvp pyxversion redrawtime ri rs sb scroll sections shcf shelltype showbreak sidescroll smartindent sp spf srr statusline sw sxe tabpagemax tagrelative tbis termencoding textauto thesaurus titleold top ttimeout ttymouse twt undofile varsofttabstop verbosefile viminfofile wak weirdinvert wig wildoptions winheight wm wrapscan
+syn keyword vimOption contained	ai anti asd awa balloondelay bevalterm bkc briopt buflisted cdhome cin clipboard cole completefunc cot cscopepathcomp cspc cul deco diff dy efm eol et fde fen fileencodings fk foldenable foldnestmax fs gfs gtl guioptions hh hkmapp iconstring imcmdline imst indentexpr isf joinspaces kp lcs lm luadll makeprg maxmempattern mis mmt mouse mouset mzschemegcdll oft packpath pdev pi previewpopup printmbfont pvw qe regexpengine rightleft rtp sbo scrollbind secure shell shellxescape showcmd sidescrolloff smarttab spc spl ss stl swapfile sxq tabstop tags tbs termguicolors textmode thesaurusfunc titlestring tpm ttimeoutlen ttyscroll tx undolevels vartabstop vfile virtualedit warn wfh wildchar wim winminheight wmh write
+syn keyword vimOption contained	akm antialias autochdir background ballooneval bex bl brk buftype cdpath cindent cm colorcolumn completeopt cp cscopeprg csprg culopt def diffexpr ea ei ep eventignore fdi fenc fileformat fkmap foldexpr foldopen fsync gfw gtt guipty hi hkp ignorecase imd imstatusfunc indentkeys isfname js langmap linebreak lmap lw mat maxmemtot mkspellmem mod mousef mousetime nf ofu para penc pm previewwindow printoptions pw qftf relativenumber rightleftcmd ru sbr scrollfocus sel shellcmdflag shellxquote showfulltag signcolumn smc spell splitbelow ssl stmp swapsync syn tag tagstack tc termwinkey textwidth tildeop tl tr ttm ttytype uc undoreload vb vi visualbell wb wfw wildcharm winaltkeys winminwidth wmnu writeany
+syn keyword vimOption contained	al ar autoindent backspace balloonevalterm bexpr bo browsedir casemap cedit cink cmdheight columns completepopup cpo cscopequickfix csqf cursorbind define diffopt ead ek equalalways ex fdl fencs fileformats flp foldignore foldtext ft ghr guicursor guitablabel hid hl im imdisable imstyle indk isi key langmenu lines lnr lz matchpairs mco ml modeline mousefocus mp nrformats omnifunc paragraphs perldll pmbcs printdevice prompt pythondll quickfixtextfunc remap rl rubydll sc scrolljump selection shellpipe shiftround showmatch siso smd spellcapcheck splitright ssop sts swb synmaxcol tagbsearch tal tcldll termwinscroll tf timeout tm ts tty tw udf updatecount vbs viewdir vop wc wh wildignore wincolor winptydll wmw writebackup
+syn keyword vimOption contained	aleph arab autoread backup balloonexpr bg bomb bs cb cf cinkeys cmdwinheight com completeslash cpoptions cscoperelative csre cursorcolumn delcombine digraph eadirection emo equalprg expandtab fdls fex fileignorecase fml foldlevel formatexpr gcr gli guifont guitabtooltip hidden hlg imactivatefunc imi inc inex isident keymap langnoremap linespace loadplugins ma matchtime mef mle modelineexpr mousehide mps nu opendevice paste pex pmbfn printencoding pt pythonhome quoteescape renderoptions rlc ruf scb scrolloff selectmode shellquote shiftwidth showmode sj sn spellfile spo st su swf syntax tagcase tb tenc termwinsize tfu timeoutlen to tsl ttybuiltin twk udir updatetime vdir viewoptions vsts wcm whichwrap wildignorecase window winwidth wop writedelay
+syn keyword vimOption contained	allowrevins arabic autoshelldir backupcopy bdir bh breakat bsdir cc cfu cino cmp comments concealcursor cpp cscopetag cst cursorline dex dip eb emoji errorbells exrc fdm ff filetype fmr foldlevelstart formatlistpat gd go guifontset helpfile highlight hls imactivatekey iminsert include inf isk keymodel langremap lisp lpl macatsui maxcombine menc mls modelines mousem msm number operatorfunc pastetoggle pexpr popt printexpr pumheight pythonthreedll rdt report rnu ruler scf scrollopt sessionoptions shellredir shm showtabline slm so spelllang spr sta sua switchbuf ta tagfunc tbi term termwintype tgc title toolbar tsr ttyfast tws ul ur ve vif vts wcr wi wildmenu winfixheight wiv wrap ws
+syn keyword vimOption contained	altkeymap arabicshape autowrite backupdir bdlay bin breakindent bsk ccv ch cinoptions cms commentstring conceallevel cpt cscopetagorder csto cursorlineopt dg dir ed enc errorfile fcl fdn ffs fillchars fo foldmarker formatoptions gdefault gp guifontwide helpheight history hlsearch imaf ims includeexpr infercase iskeyword keywordprg laststatus lispwords lrm magic maxfuncdepth menuitems mm modifiable mousemodel mzq numberwidth opfunc patchexpr pfn pp printfont pumwidth pythonthreehome re restorescreen ro rulerformat scl scs sft shellslash shortmess shq sm softtabstop spelloptions sps stal suffixes sws tabline taglength tbidi termbidi terse tgst titlelen toolbariconsize tsrfu ttym twsl undodir ut verbose viminfo wa wd wic wildmode winfixwidth wiw wrapmargin ww
+syn keyword vimOption contained	ambiwidth ari autowriteall backupext belloff binary breakindentopt bt cd charconvert cinw co compatible confirm crb cscopeverbose csverb cwh dict directory edcompatible encoding errorformat fcs fdo fic fixendofline foldclose foldmethod formatprg gfm grepformat guiheadroom helplang hk ic imak imsearch incsearch insertmode isp km lazyredraw list ls makeef maxmapdepth mfd mmd modified mouses mzquantum nuw osfiletype patchmode ph preserveindent printheader pvh pyx readonly revins rop runtimepath scr sect sh shelltemp shortname si smartcase sol spellsuggest sr startofline suffixesadd
 
 " vimOptions: These are the turn-off setting variants {{{2
 syn keyword vimOption contained	noacd noallowrevins noantialias noarabic noarshape noautoindent noautowrite noawa noballoonevalterm nobin nobl nobri noci nocompatible nocp nocscopetag nocst nocul nocursorline nodg noea noedcompatible noemoji noequalalways noet noexrc nofileignorecase nofk nofs nogdefault nohidden nohkmapp nohlsearch noignorecase noimcmdline noincsearch noinsertmode nojs nolazyredraw nolisp noloadplugins nolz nomagic nomle nomodelineexpr nomodified nomousef nomousehide nonumber noopendevice nopi nopreviewwindow nopvw norelativenumber norestorescreen nori norl noro noru nosb noscb noscrollbind noscs nosft noshelltemp noshortname noshowfulltag noshowmode nosm nosmartindent nosmd nosol nosplitbelow nospr nossl nostartofline noswapfile nota notagrelative notbi notbs noterse notextmode notgst notimeout noto notr nottybuiltin notx noundofile novisualbell nowarn noweirdinvert nowfw nowildignorecase nowinfixheight nowiv nowrap nowrite nowritebackup
diff --git a/src/testdir/README.txt b/src/testdir/README.txt
--- a/src/testdir/README.txt
+++ b/src/testdir/README.txt
@@ -58,3 +58,45 @@ feature.  These cannot use the "assert" 
 They modify the file and the result gets writtein in the test.out file.  This
 is then compared with the .ok file.  If they are equal the test passed.  If
 they differ the test failed.
+
+
+RUNNING THE TESTS:
+
+To run a single test from the src directory:
+
+    $ make test_<name>
+
+The below commands should be run from the src/testdir directory.
+
+To run a single test:
+
+    $ make test_<name>.res
+
+The file 'messages' contains the messages generated by the test script.  If a
+test fails, then the test.log file contains the error messages.  If all the
+tests are successful, then this file will be an empty file.
+
+To run a single test function from a test script:
+
+    $ ../vim -u NONE -S runtest.vim <test_file>.vim <function_name>
+
+To run all the tests:
+
+    $ make
+
+To run the test on MS-Windows using the MSVC nmake:
+
+    > nmake -f Make_dos.mak
+
+To run the tests with GUI Vim:
+
+    $ make GUI_FLAG=-g
+
+    or
+
+    $ make VIMPROG=../gvim
+
+To cleanup the temporary files after running the tests:
+
+    $ make clean
+