Update runtime files

28 files changed, 389 insertions, 451 deletions

diff --git a/runtime/autoload/dist/ft.vim b/runtime/autoload/dist/ft.vim
index 366d7b009..9933ace8c 100644
--- a/runtime/autoload/dist/ft.vim
+++ b/runtime/autoload/dist/ft.vim
@@ -1,7 +1,7 @@
 " Vim functions for file type detection
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2021 Nov 27
+" Last Change:	2021 Dec 17
 
 " These functions are moved here from runtime/filetype.vim to make startup
 " faster.
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index db8e1002d..fa8ce9fef 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1,4 +1,4 @@
-*eval.txt*	For Vim version 8.2.  Last change: 2021 Dec 15
+*eval.txt*	For Vim version 8.2.  Last change: 2021 Dec 24
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -2367,7 +2367,9 @@ v:termresponse	The escape sequence returned by the terminal for the |t_RV|
 		The response from a new xterm is: "<Esc>[> Pp ; Pv ; Pc c".  Pp
 		is the terminal type: 0 for vt100 and 1 for vt220.  Pv is the
 		patch level (since this was introduced in patch 95, it's
-		always 95 or bigger).  Pc is always zero.
+		always 95 or higher).  Pc is always zero.
+		If Pv is 141 or higher then Vim will try to request terminal
+		codes.  This only works with xterm |xterm-codes|.
 		{only when compiled with |+termresponse| feature}
 
 						*v:termblinkresp*
@@ -6190,8 +6192,9 @@ getreg([{regname} [, 1 [, {list}]]])			*getreg()*
 		The result is a String, which is the contents of register
 		{regname}.  Example: >
 			:let cliptext = getreg('*')
-<		When {regname} was not set the result is an empty string.
-		The {regname} argument is a string.
+<		When register {regname} was not set the result is an empty
+		string.
+		The {regname} argument must be a string.
 
 		getreg('=') returns the last evaluated value of the expression
 		register.  (For use in maps.)
diff --git a/runtime/doc/map.txt b/runtime/doc/map.txt
index fc3f42584..b8806d2ca 100644
--- a/runtime/doc/map.txt
+++ b/runtime/doc/map.txt
@@ -1,4 +1,4 @@
-*map.txt*       For Vim version 8.2.  Last change: 2021 Dec 15
+*map.txt*       For Vim version 8.2.  Last change: 2021 Dec 20
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -962,8 +962,7 @@ g@{motion}		Call the function set by the 'operatorfunc' option.
 			    "line"	{motion} was |linewise|
 			    "char"	{motion} was |characterwise|
 			    "block"	{motion} was |blockwise-visual|
-			Although "block" would rarely appear, since it can
-			only result from Visual mode where "g@" is not useful.
+			The type can be forced, see |forced-motion|.
 			{not available when compiled without the |+eval|
 			feature}
 
@@ -974,35 +973,56 @@ Here is an example that counts the number of spaces with <F4>: >
 	" doubling <F4> works on a line
 	nnoremap <expr> <F4><F4> CountSpaces() .. '_'
 
-	function CountSpaces(virtualedit = '', irregular_block = v:false, type = '') abort
+	function CountSpaces(context = {}, type = '') abort
 	  if a:type == ''
-	    let &operatorfunc = function('CountSpaces', [&virtualedit, v:false])
+	    let context = #{
+	      \ dot_command: v:false,
+	      \ extend_block: '',
+	      \ virtualedit: [&l:virtualedit, &g:virtualedit],
+	      \ }
+	    let &operatorfunc = function('CountSpaces', [context])
 	    set virtualedit=block
 	    return 'g@'
 	  endif
 
-	  let cb_save = &clipboard
-	  let sel_save = &selection
-	  let reg_save = getreginfo('"')
-	  let visual_marks_save = [getpos("'<"), getpos("'>")]
+	  let save = #{
+	    \ clipboard: &clipboard,
+	    \ selection: &selection,
+	    \ virtualedit: [&l:virtualedit, &g:virtualedit],
+	    \ register: getreginfo('"'),
+	    \ visual_marks: [getpos("'<"), getpos("'>")],
+	    \ }
 
 	  try
 	    set clipboard= selection=inclusive virtualedit=
-	    let commands = #{line: "'[V']", char: "`[v`]", block: "`[\<C-V>`]"}->get(a:type, 'v')
-	    if getpos("']")[-1] != 0 || a:irregular_block
-	      let commands ..= 'oO$'
-	      let &operatorfunc = function('CountSpaces', [a:virtualedit, v:true])
+	    let commands = #{
+	      \ line: "'[V']",
+	      \ char: "`[v`]",
+	      \ block: "`[\<C-V>`]",
+	      \ }[a:type]
+	    let [_, _, col, off] = getpos("']")
+	    if off != 0
+	      let vcol = getline("'[")->strpart(0, col + off)->strdisplaywidth()
+	      if vcol >= [line("'["), '$']->virtcol() - 1
+	        let a:context.extend_block = '$'
+	      else
+	        let a:context.extend_block = vcol .. '|'
+	      endif
+	    endif
+	    if a:context.extend_block != ''
+	      let commands ..= 'oO' .. a:context.extend_block
 	    endif
 	    let commands ..= 'y'
 	    execute 'silent noautocmd keepjumps normal! ' .. commands
 	    echomsg getreg('"')->count(' ')
 	  finally
-	    call setreg('"', reg_save)
-	    call setpos("'<", visual_marks_save[0])
-	    call setpos("'>", visual_marks_save[1])
-	    let &clipboard = cb_save
-	    let &selection = sel_save
-	    let &virtualedit = a:virtualedit
+	    call setreg('"', save.register)
+	    call setpos("'<", save.visual_marks[0])
+	    call setpos("'>", save.visual_marks[1])
+	    let &clipboard = save.clipboard
+	    let &selection = save.selection
+	    let [&l:virtualedit, &g:virtualedit] = get(a:context.dot_command ? save : a:context, 'virtualedit')
+	    let a:context.dot_command = v:true
 	  endtry
 	endfunction
 
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index b4e776165..845351d08 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 8.2.  Last change: 2021 Dec 11
+*options.txt*	For Vim version 8.2.  Last change: 2021 Dec 21
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -385,7 +385,7 @@ lambda it will be converted to the name, e.g. "<lambda>123".  Examples:
 	set opfunc={a\ ->\ MyOpFunc(a)}
 	" set using a funcref variable
 	let Fn = function('MyTagFunc')
-	let &tagfunc = string(Fn)
+	let &tagfunc = Fn
 	" set using a lambda expression
 	let &tagfunc = {t -> MyTagFunc(t)}
 	" set using a variable with lambda expression
@@ -9210,7 +9210,7 @@ A jump table for the options with a short description can be found at |Q_op|.
 'xtermcodes'		boolean	(default on)
 			global
 	When detecting xterm patchlevel 141 or higher with the termresponse
-	mechanism and this option is set, Vim will request the actual termimal
+	mechanism and this option is set, Vim will request the actual terminal
 	key codes and number of colors from the terminal.  This takes care of
 	various configuration options of the terminal that cannot be obtained
 	from the termlib/terminfo entry, see |xterm-codes|.
diff --git a/runtime/doc/quickref.txt b/runtime/doc/quickref.txt
index aa5a36a33..e53294291 100644
--- a/runtime/doc/quickref.txt
+++ b/runtime/doc/quickref.txt
@@ -1,4 +1,4 @@
-*quickref.txt*  For Vim version 8.2.  Last change: 2021 Oct 17
+*quickref.txt*  For Vim version 8.2.  Last change: 2021 Dec 21
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1010,6 +1010,7 @@ Short explanation of each option:		*option-list*
 'writeany'	  'wa'	    write to file with no need for "!" override
 'writebackup'	  'wb'	    make a backup before overwriting a file
 'writedelay'	  'wd'	    delay this many msec for each char (for debug)
+'xtermcodes'		    request terminal codes from an xterm
 ------------------------------------------------------------------------------
 *Q_ur*		Undo/Redo commands
 
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 0101b51b6..35a4e3ad7 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -4506,7 +4506,7 @@ it marks the "\(\I\i*\)" sub-expression as external; in the end pattern, it
 changes the \z1 back-reference into an external reference referring to the
 first external sub-expression in the start pattern.  External references can
 also be used in skip patterns: >
-  :syn region foo start="start \(\I\i*\)" skip="not end \z1" end="end \z1"
+  :syn region foo start="start \z(\I\i*\)" skip="not end \z1" end="end \z1"
 
 Note that normal and external sub-expressions are completely orthogonal and
 indexed separately; for instance, if the pattern "\z(..\)\(..\)" is applied
diff --git a/runtime/doc/tags b/runtime/doc/tags
index fc5a0c925..9b5fe38c1 100644
--- a/runtime/doc/tags
+++ b/runtime/doc/tags
@@ -751,6 +751,7 @@ $VIM_POSIX	vi_diff.txt	/*$VIM_POSIX*
 'nowriteany'	options.txt	/*'nowriteany'*
 'nowritebackup'	options.txt	/*'nowritebackup'*
 'nows'	options.txt	/*'nows'*
+'noxtermcodes'	options.txt	/*'noxtermcodes'*
 'nrformats'	options.txt	/*'nrformats'*
 'nu'	options.txt	/*'nu'*
 'number'	options.txt	/*'number'*
@@ -1262,6 +1263,7 @@ $VIM_POSIX	vi_diff.txt	/*$VIM_POSIX*
 'writedelay'	options.txt	/*'writedelay'*
 'ws'	options.txt	/*'ws'*
 'ww'	options.txt	/*'ww'*
+'xtermcodes'	options.txt	/*'xtermcodes'*
 '{	motion.txt	/*'{*
 '}	motion.txt	/*'}*
 (	motion.txt	/*(*
@@ -5912,6 +5914,7 @@ collate-variable	eval.txt	/*collate-variable*
 color-xterm	syntax.txt	/*color-xterm*
 coloring	syntax.txt	/*coloring*
 colortest.vim	syntax.txt	/*colortest.vim*
+command-block	vim9.txt	/*command-block*
 command-line-functions	usr_41.txt	/*command-line-functions*
 command-line-window	cmdline.txt	/*command-line-window*
 command-mode	intro.txt	/*command-mode*
diff --git a/runtime/doc/term.txt b/runtime/doc/term.txt
index 3e90cc047..9e91c0e94 100644
--- 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 08
+*term.txt*      For Vim version 8.2.  Last change: 2021 Dec 21
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
diff --git a/runtime/doc/terminal.txt b/runtime/doc/terminal.txt
index d75015a3f..ca28f1f33 100644
--- a/runtime/doc/terminal.txt
+++ b/runtime/doc/terminal.txt
@@ -1,4 +1,4 @@
-*terminal.txt*	For Vim version 8.2.  Last change: 2021 Nov 13
+*terminal.txt*	For Vim version 8.2.  Last change: 2021 Dec 21
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -1428,6 +1428,8 @@ GDB command						*termdebug-customizing*
 To change the name of the gdb command, set the "g:termdebugger" variable before
 invoking `:Termdebug`: >
 	let g:termdebugger = "mygdb"
+If the command needs an argument use a List: >
+	let g:termdebugger = ['rr', 'replay', '--']
 <							*gdb-version*
 Only debuggers fully compatible with gdb will work.  Vim uses the GDB/MI
 interface.  The "new-ui" command  requires gdb version 7.12 or later.  if you
diff --git a/runtime/doc/todo.txt b/runtime/doc/todo.txt
index 80ea2a33e..bd97d3a2b 100644
--- 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 15
+*todo.txt*      For Vim version 8.2.  Last change: 2021 Dec 24
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -38,9 +38,14 @@ browser use: https://github.com/vim/vim/issues/1234
 							*known-bugs*
 -------------------- Known bugs and current work -----------------------
 
+type of v: vars should be more specific
+    v:completed_item  is dict<string>, not dict<any>
+
+E1135 is used twice
+
+"z=" in German can take a very long time, CTRL-C should interrupt it.
+
 Vim9 - Make everything work:
-- 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).
     done: balloon_()
@@ -48,8 +53,6 @@ Vim9 - Make everything work:
     map() could check that the return type of the function argument matches
     the type of the list or dict member. (#8092)
     Same for other functions, such as searchpair().
-- Test try/catch and throw better, also nested.
-  Test that return inside try/finally jumps to finally and then returns.
 - Test that a function defined inside a :def function is local to that
   function, g: functions can be defined and script-local functions cannot be
   defined.
@@ -89,6 +92,9 @@ Further Vim9 improvements, possibly after launch:
     has(featureName), len(someString)
 - Implement as part of an expression: ++expr, --expr, expr++, expr--.
 
+Update list of features to vote on:
+- multiple cursors
+- built-in LSP support
 
 Popup windows:
 - Preview popup not properly updated when it overlaps with completion menu.
@@ -131,8 +137,6 @@ Text properties:
   where property fits in.
   Or Should we let the textprop highlight overrule other (e.g. diff) highlight
   if the priority is above a certain value?  (#7392)
-- Popup attached to text property stays visible when text is no longer
-  visible. (#7736)
 - Popup attached to text property stays visible when text is deleted with
   "cc". (#7737)  "C" works OK.  "dd" also files in a buffer with a single
   line.
@@ -249,6 +253,8 @@ Idea: when typing ":e /some/dir/" and "dir" does not exist, highlight in red.
 initialization to figure out the default value from 'shell'.  Add a test for
 this.
 
+Patch to add :argdedupe. (Nir Lichtman, #6235)
+
 MS-Windows: did path modifier :p:8 stop working?  #8600
 
 test_arglist func Test_all_not_allowed_from_cmdwin() hangs on MS-Windows.
@@ -415,8 +421,6 @@ Motif: Build on Ubuntu can't enter any text in dialog text fields.
 Running test_gui and test_gui_init with Motif sometimes kills the window
 manager.  Problem with Motif?
 
-Patch to add :argdedupe. (Nir Lichtman, #6235)
-
 When editing a file with ":edit" the output of :swapname is relative, while
 editing it with "vim file" it is absolute. (#355)
 Which one should it be?
diff --git a/runtime/doc/various.txt b/runtime/doc/various.txt
index b82427ca1..5b8654b8a 100644
--- a/runtime/doc/various.txt
+++ b/runtime/doc/various.txt
@@ -1,4 +1,4 @@
-*various.txt*   For Vim version 8.2.  Last change: 2021 Dec 13
+*various.txt*   For Vim version 8.2.  Last change: 2021 Dec 20
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -549,14 +549,17 @@ N  *+X11*		Unix only: can restore window title |X11|
 			name can be omitted.
 :redi[r] @">>		Append messages to the unnamed register.
 
-:redi[r] => {var}	Redirect messages to a variable.  If the variable
-			doesn't exist, then it is created.  If the variable
-			exists, then it is initialized to an empty string.
+:redi[r] => {var}	Redirect messages to a variable.
+			In legacy script: If the variable doesn't exist, then
+			it is created.  If the variable exists, then it is
+			initialized to an empty string.  After the redirection
+			starts, if the variable is removed or locked or the
+			variable type is changed, then further command output
+			messages will cause errors.
+			In Vim9 script: the variable must have been declared
+			as a string.
 			The variable will remain empty until redirection ends.
-			Only string variables can be used.  After the
-			redirection starts, if the variable is removed or
-			locked or the variable type is changed, then further
-			command output messages will cause errors.
+			Only string variables can be used.
 			To get the output of one command the |execute()|
 			function can be used instead of redirection.
 
diff --git a/runtime/doc/vim9.txt b/runtime/doc/vim9.txt
index 39affbfc2..6c142a4b1 100644
--- 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 15
+*vim9.txt*	For Vim version 8.2.  Last change: 2021 Dec 22
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -169,8 +169,8 @@ created yet.  In this case you can call `execute()` to invoke it at runtime. >
 
 `:def` has no options like `:function` does: "range", "abort", "dict" or
 "closure".  A `:def` function always aborts on an error (unless `:silent!` was
-used for the command or inside a `:try` block), does not get a range passed
-cannot be a "dict" function, and can always be a closure.
+used for the command or the error was caught a `:try` block), does not get a
+range passed cannot be a "dict" function, and can always be a closure.
 						*vim9-no-dict-function*
 Later classes will be added, which replaces the "dict function" mechanism.
 For now you will need to pass the dictionary explicitly: >
@@ -509,7 +509,7 @@ The function must already have been defined. >
 
 When using `function()` the resulting type is "func", a function with any
 number of arguments and any return type (including void).  The function can be
-defined later.
+defined later if the argument is in quotes.
 
 
 Lambda using => instead of -> ~
diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index c3d370d4e..ef98589b5 100644
--- 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 14
+" Last Change:	2021 Dec 22
 
 " Listen very carefully, I will say this only once
 if exists("did_load_filetypes")
diff --git a/runtime/ftplugin/zsh.vim b/runtime/ftplugin/zsh.vim
index 53ce1417d..34410f1c6 100644
--- a/runtime/ftplugin/zsh.vim
+++ b/runtime/ftplugin/zsh.vim
@@ -18,13 +18,13 @@ setlocal comments=:# commentstring=#\ %s formatoptions-=t formatoptions+=croql
 
 let b:undo_ftplugin = "setl com< cms< fo< "
 
-if executable('zsh')
+if executable('zsh') && &shell !~# '/\%(nologin\|false\)$'
   if !has('gui_running') && executable('less')
-    command! -buffer -nargs=1 RunHelp silent exe '!MANPAGER= zsh -ic "autoload -Uz run-help; run-help <args> 2>/dev/null | LESS= less"' | redraw!
+    command! -buffer -nargs=1 RunHelp silent exe '!MANPAGER= zsh -c "autoload -Uz run-help; run-help <args> 2>/dev/null | LESS= less"' | redraw!
   elseif has('terminal')
-    command! -buffer -nargs=1 RunHelp silent exe ':term zsh -ic "autoload -Uz run-help; run-help <args>"'
+    command! -buffer -nargs=1 RunHelp silent exe ':term zsh -c "autoload -Uz run-help; run-help <args>"'
   else
-    command! -buffer -nargs=1 RunHelp echo system('zsh -ic "autoload -Uz run-help; run-help <args> 2>/dev/null"')
+    command! -buffer -nargs=1 RunHelp echo system('zsh -c "autoload -Uz run-help; run-help <args> 2>/dev/null"')
   endif
   if !exists('current_compiler')
     compiler zsh
diff --git a/runtime/indent/sh.vim b/runtime/indent/sh.vim
index d2fb1ba45..aa47c6d1b 100644
--- a/runtime/indent/sh.vim
+++ b/runtime/indent/sh.vim
@@ -109,7 +109,7 @@ function! GetShIndent()
       let ind += s:indent_value('continuation-line')
     endif
   elseif s:end_block(line) && !s:start_block(line)
-    let ind -= s:indent_value('default')
+    let ind = indent(lnum)
   elseif pnum != 0 &&
         \ s:is_continuation_line(pline) &&
         \ !s:end_block(curline) &&
diff --git a/runtime/indent/xml.vim b/runtime/indent/xml.vim
index da6541793..5bf53ad1f 100644
--- a/runtime/indent/xml.vim
+++ b/runtime/indent/xml.vim
@@ -39,6 +39,8 @@ setlocal indentkeys=o,O,*<Return>,<>>,<<>,/,{,},!^F
 " autoindent: used when the indentexpr returns -1
 setlocal autoindent
 
+let b:undo_indent = "setl ai< inde< indk<"
+
 if !exists('b:xml_indent_open')
     let b:xml_indent_open = '.\{-}<[:A-Z_a-z]'
     " pre tag, e.g. <address>
@@ -51,6 +53,10 @@ if !exists('b:xml_indent_close')
     " let b:xml_indent_close = '.\{-}</\(address\)\@!'
 endif
 
+if !exists('b:xml_indent_continuation_filetype')
+    let b:xml_indent_continuation_filetype = 'xml'
+endif
+
 let &cpo = s:keepcpo
 unlet s:keepcpo
 
@@ -162,7 +168,7 @@ endfun
 
 func! <SID>IsXMLContinuation(line)
     " Checks, whether or not the line matches a start-of-tag
-    return a:line !~ '^\s*<' && &ft is# 'xml'
+    return a:line !~ '^\s*<' && &ft =~# b:xml_indent_continuation_filetype
 endfunc
 
 func! <SID>HasNoTagEnd(line)
diff --git a/runtime/menu.vim b/runtime/menu.vim
index e17652432..5f4e395e1 100644
--- a/runtime/menu.vim
+++ b/runtime/menu.vim
@@ -2,7 +2,7 @@
 " You can also use this as a start for your own set of menus.
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2020 Sep 28
+" Last Change:	2021 Dec 22
 
 " Note that ":an" (short for ":anoremenu") is often used to make a menu work
 " in all modes and avoid side effects from mappings defined by the user.
@@ -717,6 +717,11 @@ func s:BMCanAdd(name, num)
     return 0
   endif
 
+  " no name with control characters
+  if a:name =~ '[\x01-\x1f]'
+    return 0
+  endif
+
   " no special buffer, such as terminal or popup
   let buftype = getbufvar(a:num, '&buftype')
   if buftype != '' && buftype != 'nofile' && buftype != 'nowrite'
diff --git a/runtime/optwin.vim b/runtime/optwin.vim
index 9aa2db26f..d138ab1d1 100644
--- 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 12
+" Last Change:	2021 Dec 21
 
 " If there already is an option window, jump to that one.
 let buf = bufnr('option-window')
diff --git a/runtime/pack/dist/opt/matchit/autoload/matchit.vim b/runtime/pack/dist/opt/matchit/autoload/matchit.vim
index 4f3dd8ff9..e8689980a 100644
--- a/runtime/pack/dist/opt/matchit/autoload/matchit.vim
+++ b/runtime/pack/dist/opt/matchit/autoload/matchit.vim
@@ -1,6 +1,11 @@
 "  matchit.vim: (global plugin) Extended "%" matching
 "  autload script of matchit plugin, see ../plugin/matchit.vim
-"  Last Change: Mar 01, 2020
+"  Last Change: Jun 10, 2021
+
+" Neovim does not support scriptversion
+if has("vimscript-4")
+  scriptversion 4
+endif
 
 let s:last_mps = ""
 let s:last_words = ":"
@@ -30,11 +35,11 @@ function s:RestoreOptions()
   " In s:CleanUp(), :execute "set" restore_options .
   let restore_options = ""
   if get(b:, 'match_ignorecase', &ic) != &ic
-    let restore_options .= (&ic ? " " : " no") . "ignorecase"
+    let restore_options ..= (&ic ? " " : " no") .. "ignorecase"
     let &ignorecase = b:match_ignorecase
   endif
   if &ve != ''
-    let restore_options = " ve=" . &ve . restore_options
+    let restore_options = " ve=" .. &ve .. restore_options
     set ve=
   endif
   return restore_options
@@ -42,22 +47,23 @@ endfunction
 
 function matchit#Match_wrapper(word, forward, mode) range
   let restore_options = s:RestoreOptions()
-  " If this function was called from Visual mode, make sure that the cursor
-  " is at the correct end of the Visual range:
-  if a:mode == "v"
-    execute "normal! gv\<Esc>"
-  elseif a:mode == "o" && mode(1) !~# '[vV]'
-    exe "norm! v"
-  elseif a:mode == "n" && mode(1) =~# 'ni'
-    exe "norm! v"
-  endif
   " In s:CleanUp(), we may need to check whether the cursor moved forward.
   let startpos = [line("."), col(".")]
-  " Use default behavior if called with a count.
+  " if a count has been applied, use the default [count]% mode (see :h N%)
   if v:count
-    exe "normal! " . v:count . "%"
+    exe "normal! " .. v:count .. "%"
     return s:CleanUp(restore_options, a:mode, startpos)
   end
+  if a:mode =~# "v" && mode(1) =~# 'ni'
+    exe "norm! gv"
+  elseif a:mode == "o" && mode(1) !~# '[vV]'
+    exe "norm! v"
+  " If this function was called from Visual mode, make sure that the cursor
+  " is at the correct end of the Visual range:
+  elseif a:mode == "v"
+    execute "normal! gv\<Esc>"
+    let startpos = [line("."), col(".")]
+  endif
 
   " First step:  if not already done, set the script variables
   "   s:do_BR   flag for whether there are backrefs
@@ -78,30 +84,30 @@ function matchit#Match_wrapper(word, forward, mode) range
     " quote the special chars in 'matchpairs', replace [,:] with \| and then
     " append the builtin pairs (/*, */, #if, #ifdef, #ifndef, #else, #elif,
     " #endif)
-    let default = escape(&mps, '[$^.*~\\/?]') . (strlen(&mps) ? "," : "") .
+    let default = escape(&mps, '[$^.*~\\/?]') .. (strlen(&mps) ? "," : "") ..
       \ '\/\*:\*\/,#\s*if\%(n\=def\)\=:#\s*else\>:#\s*elif\>:#\s*endif\>'
     " s:all = pattern with all the keywords
-    let match_words = match_words . (strlen(match_words) ? "," : "") . default
+    let match_words = match_words .. (strlen(match_words) ? "," : "") .. default
     let s:last_words = match_words
-    if match_words !~ s:notslash . '\\\d'
+    if match_words !~ s:notslash .. '\\\d'
       let s:do_BR = 0
       let s:pat = match_words
     else
       let s:do_BR = 1
       let s:pat = s:ParseWords(match_words)
     endif
-    let s:all = substitute(s:pat, s:notslash . '\zs[,:]\+', '\\|', 'g')
+    let s:all = substitute(s:pat, s:notslash .. '\zs[,:]\+', '\\|', 'g')
     " Just in case there are too many '\(...)' groups inside the pattern, make
     " sure to use \%(...) groups, so that error E872 can be avoided
     let s:all = substitute(s:all, '\\(', '\\%(', 'g')
-    let s:all = '\%(' . s:all . '\)'
+    let s:all = '\%(' .. s:all .. '\)'
     if exists("b:match_debug")
       let b:match_pat = s:pat
     endif
     " Reconstruct the version with unresolved backrefs.
-    let s:patBR = substitute(match_words.',',
-      \ s:notslash.'\zs[,:]*,[,:]*', ',', 'g')
-    let s:patBR = substitute(s:patBR, s:notslash.'\zs:\{2,}', ':', 'g')
+    let s:patBR = substitute(match_words .. ',',
+      \ s:notslash .. '\zs[,:]*,[,:]*', ',', 'g')
+    let s:patBR = substitute(s:patBR, s:notslash .. '\zs:\{2,}', ':', 'g')
   endif
 
   " Second step:  set the following local variables:
@@ -128,12 +134,15 @@ function matchit#Match_wrapper(word, forward, mode) range
     let curcol = match(matchline, regexp)
     " If there is no match, give up.
     if curcol == -1
+      " Make sure macros abort properly
+      "exe "norm! \<esc>"
+      call feedkeys("\e", 'tni')
       return s:CleanUp(restore_options, a:mode, startpos)
     endif
     let endcol = matchend(matchline, regexp)
     let suf = strlen(matchline) - endcol
-    let prefix = (curcol ? '^.*\%'  . (curcol + 1) . 'c\%(' : '^\%(')
-    let suffix = (suf ? '\)\%' . (endcol + 1) . 'c.*$'  : '\)$')
+    let prefix = (curcol ? '^.*\%' .. (curcol + 1) .. 'c\%(' : '^\%(')
+    let suffix = (suf ? '\)\%' .. (endcol + 1) .. 'c.*$'  : '\)$')
   endif
   if exists("b:match_debug")
     let b:match_match = matchstr(matchline, regexp)
@@ -150,7 +159,7 @@ function matchit#Match_wrapper(word, forward, mode) range
   " 'while:endwhile' or whatever.  A bit of a kluge:  s:Choose() returns
   " group . "," . groupBR, and we pick it apart.
   let group = s:Choose(s:pat, matchline, ",", ":", prefix, suffix, s:patBR)
-  let i = matchend(group, s:notslash . ",")
+  let i = matchend(group, s:notslash .. ",")
   let groupBR = strpart(group, i)
   let group = strpart(group, 0, i-1)
   " Now, matchline =~ prefix . substitute(group,':','\|','g') . suffix
@@ -159,32 +168,32 @@ function matchit#Match_wrapper(word, forward, mode) range
   endif
   if exists("b:match_debug")
     let b:match_wholeBR = groupBR
-    let i = matchend(groupBR, s:notslash . ":")
+    let i = matchend(groupBR, s:notslash .. ":")
     let b:match_iniBR = strpart(groupBR, 0, i-1)
   endif
 
   " Fourth step:  Set the arguments for searchpair().
-  let i = matchend(group, s:notslash . ":")
-  let j = matchend(group, '.*' . s:notslash . ":")
+  let i = matchend(group, s:notslash .. ":")
+  let j = matchend(group, '.*' .. s:notslash .. ":")
   let ini = strpart(group, 0, i-1)
-  let mid = substitute(strpart(group, i,j-i-1), s:notslash.'\zs:', '\\|', 'g')
+  let mid = substitute(strpart(group, i,j-i-1), s:notslash .. '\zs:', '\\|', 'g')
   let fin = strpart(group, j)
   "Un-escape the remaining , and : characters.
-  let ini = substitute(ini, s:notslash . '\zs\\\(:\|,\)', '\1', 'g')
-  let mid = substitute(mid, s:notslash . '\zs\\\(:\|,\)', '\1', 'g')
-  let fin = substitute(fin, s:notslash . '\zs\\\(:\|,\)', '\1', 'g')
+  let ini = substitute(ini, s:notslash .. '\zs\\\(:\|,\)', '\1', 'g')
+  let mid = substitute(mid, s:notslash .. '\zs\\\(:\|,\)', '\1', 'g')
+  let fin = substitute(fin, s:notslash .. '\zs\\\(:\|,\)', '\1', 'g')
   " searchpair() requires that these patterns avoid \(\) groups.
-  let ini = substitute(ini, s:notslash . '\zs\\(', '\\%(', 'g')
-  let mid = substitute(mid, s:notslash . '\zs\\(', '\\%(', 'g')
-  let fin = substitute(fin, s:notslash . '\zs\\(', '\\%(', 'g')
+  let ini = substitute(ini, s:notslash .. '\zs\\(', '\\%(', 'g')
+  let mid = substitute(mid, s:notslash .. '\zs\\(', '\\%(', 'g')
+  let fin = substitute(fin, s:notslash .. '\zs\\(', '\\%(', 'g')
   " Set mid.  This is optimized for readability, not micro-efficiency!
-  if a:forward && matchline =~ prefix . fin . suffix
-    \ || !a:forward && matchline =~ prefix . ini . suffix
+  if a:forward && matchline =~ prefix .. fin .. suffix
+    \ || !a:forward && matchline =~ prefix .. ini .. suffix
     let mid = ""
   endif
   " Set flag.  This is optimized for readability, not micro-efficiency!
-  if a:forward && matchline =~ prefix . fin . suffix
-    \ || !a:forward && matchline !~ prefix . ini . suffix
+  if a:forward && matchline =~ prefix .. fin .. suffix
+    \ || !a:forward && matchline !~ prefix .. ini .. suffix
     let flag = "bW"
   else
     let flag = "W"
@@ -193,14 +202,14 @@ function matchit#Match_wrapper(word, forward, mode) range
   if exists("b:match_skip")
     let skip = b:match_skip
   elseif exists("b:match_comment") " backwards compatibility and testing!
-    let skip = "r:" . b:match_comment
+    let skip = "r:" .. b:match_comment
   else
     let skip = 's:comment\|string'
   endif
   let skip = s:ParseSkip(skip)
   if exists("b:match_debug")
     let b:match_ini = ini
-    let b:match_tail = (strlen(mid) ? mid.'\|' : '') . fin
+    let b:match_tail = (strlen(mid) ? mid .. '\|' : '') .. fin
   endif
 
   " Fifth step:  actually start moving the cursor and call searchpair().
@@ -210,25 +219,29 @@ function matchit#Match_wrapper(word, forward, mode) range
   if skip =~ 'synID' && !(has("syntax") && exists("g:syntax_on"))
     let skip = "0"
   else
-    execute "if " . skip . "| let skip = '0' | endif"
+    execute "if " .. skip .. "| let skip = '0' | endif"
   endif
   let sp_return = searchpair(ini, mid, fin, flag, skip)
   if &selection isnot# 'inclusive' && a:mode == 'v'
     " move cursor one pos to the right, because selection is not inclusive
-    " add virtualedit=onemore, to make it work even when the match ends the " line
+    " add virtualedit=onemore, to make it work even when the match ends the
+    " line
     if !(col('.') < col('$')-1)
-      set ve=onemore
+      let eolmark=1 " flag to set a mark on eol (since we cannot move there)
     endif
     norm! l
   endif
-  let final_position = "call cursor(" . line(".") . "," . col(".") . ")"
+  let final_position = "call cursor(" .. line(".") .. "," .. col(".") .. ")"
   " Restore cursor position and original screen.
   call winrestview(view)
   normal! m'
   if sp_return > 0
     execute final_position
   endif
-  return s:CleanUp(restore_options, a:mode, startpos, mid.'\|'.fin)
+  if exists('eolmark') && eolmark
+    call setpos("''", [0, line('.'), col('$'), 0]) " set mark on the eol
+  endif
+  return s:CleanUp(restore_options, a:mode, startpos, mid .. '\|' .. fin)
 endfun
 
 " Restore options and do some special handling for Operator-pending mode.
@@ -270,16 +283,16 @@ endfun
 "   a:matchline =  "123<tag>12" or "123</tag>12"
 " then extract "tag" from a:matchline and return "<tag>:</tag>" .
 fun! s:InsertRefs(groupBR, prefix, group, suffix, matchline)
-  if a:matchline !~ a:prefix .
-    \ substitute(a:group, s:notslash . '\zs:', '\\|', 'g') . a:suffix
+  if a:matchline !~ a:prefix ..
+    \ substitute(a:group, s:notslash .. '\zs:', '\\|', 'g') .. a:suffix
     return a:group
   endif
-  let i = matchend(a:groupBR, s:notslash . ':')
+  let i = matchend(a:groupBR, s:notslash .. ':')
   let ini = strpart(a:groupBR, 0, i-1)
   let tailBR = strpart(a:groupBR, i)
   let word = s:Choose(a:group, a:matchline, ":", "", a:prefix, a:suffix,
     \ a:groupBR)
-  let i = matchend(word, s:notslash . ":")
+  let i = matchend(word, s:notslash .. ":")
   let wordBR = strpart(word, i)
   let word = strpart(word, 0, i-1)
   " Now, a:matchline =~ a:prefix . word . a:suffix
@@ -289,10 +302,10 @@ fun! s:InsertRefs(groupBR, prefix, group, suffix, matchline)
     let table = ""
     let d = 0
     while d < 10
-      if tailBR =~ s:notslash . '\\' . d
-        let table = table . d
+      if tailBR =~ s:notslash .. '\\' .. d
+        let table = table .. d
       else
-        let table = table . "-"
+        let table = table .. "-"
       endif
       let d = d + 1
     endwhile
@@ -300,13 +313,13 @@ fun! s:InsertRefs(groupBR, prefix, group, suffix, matchline)
   let d = 9
   while d
     if table[d] != "-"
-      let backref = substitute(a:matchline, a:prefix.word.a:suffix,
-        \ '\'.table[d], "")
+      let backref = substitute(a:matchline, a:prefix .. word .. a:suffix,
+        \ '\' .. table[d], "")
         " Are there any other characters that should be escaped?
       let backref = escape(backref, '*,:')
       execute s:Ref(ini, d, "start", "len")
-      let ini = strpart(ini, 0, start) . backref . strpart(ini, start+len)
-      let tailBR = substitute(tailBR, s:notslash . '\zs\\' . d,
+      let ini = strpart(ini, 0, start) .. backref .. strpart(ini, start+len)
+      let tailBR = substitute(tailBR, s:notslash .. '\zs\\' .. d,
         \ escape(backref, '\\&'), 'g')
     endif
     let d = d-1
@@ -320,7 +333,7 @@ fun! s:InsertRefs(groupBR, prefix, group, suffix, matchline)
       let b:match_word = ""
     endif
   endif
-  return ini . ":" . tailBR
+  return ini .. ":" .. tailBR
 endfun
 
 " Input a comma-separated list of groups with backrefs, such as
@@ -328,25 +341,25 @@ endfun
 " and return a comma-separated list of groups with backrefs replaced:
 "   return '\(foo\):end\(foo\),\(bar\):end\(bar\)'
 fun! s:ParseWords(groups)
-  let groups = substitute(a:groups.",", s:notslash.'\zs[,:]*,[,:]*', ',', 'g')
-  let groups = substitute(groups, s:notslash . '\zs:\{2,}', ':', 'g')
+  let groups = substitute(a:groups .. ",", s:notslash .. '\zs[,:]*,[,:]*', ',', 'g')
+  let groups = substitute(groups, s:notslash .. '\zs:\{2,}', ':', 'g')
   let parsed = ""
   while groups =~ '[^,:]'
-    let i = matchend(groups, s:notslash . ':')
-    let j = matchend(groups, s:notslash . ',')
+    let i = matchend(groups, s:notslash .. ':')
+    let j = matchend(groups, s:notslash .. ',')
     let ini = strpart(groups, 0, i-1)
-    let tail = strpart(groups, i, j-i-1) . ":"
+    let tail = strpart(groups, i, j-i-1) .. ":"
     let groups = strpart(groups, j)
-    let parsed = parsed . ini
-    let i = matchend(tail, s:notslash . ':')
+    let parsed = parsed .. ini
+    let i = matchend(tail, s:notslash .. ':')
     while i != -1
       " In 'if:else:endif', ini='if' and word='else' and then word='endif'.
       let word = strpart(tail, 0, i-1)
       let tail = strpart(tail, i)
-      let i = matchend(tail, s:notslash . ':')
-      let parsed = parsed . ":" . s:Resolve(ini, word, "word")
+      let i = matchend(tail, s:notslash .. ':')
+      let parsed = parsed .. ":" .. s:Resolve(ini, word, "word")
     endwhile " Now, tail has been used up.
-    let parsed = parsed . ","
+    let parsed = parsed .. ","
   endwhile " groups =~ '[^,:]'
   let parsed = substitute(parsed, ',$', '', '')
   return parsed
@@ -364,14 +377,14 @@ endfun
 " let j      = matchend(getline("."), regexp)
 " let match  = matchstr(getline("."), regexp)
 fun! s:Wholematch(string, pat, start)
-  let group = '\%(' . a:pat . '\)'
-  let prefix = (a:start ? '\(^.*\%<' . (a:start + 2) . 'c\)\zs' : '^')
+  let group = '\%(' .. a:pat .. '\)'
+  let prefix = (a:start ? '\(^.*\%<' .. (a:start + 2) .. 'c\)\zs' : '^')
   let len = strlen(a:string)
-  let suffix = (a:start+1 < len ? '\(\%>'.(a:start+1).'c.*$\)\@=' : '$')
-  if a:string !~ prefix . group . suffix
+  let suffix = (a:start+1 < len ? '\(\%>' .. (a:start+1) .. 'c.*$\)\@=' : '$')
+  if a:string !~ prefix .. group .. suffix
     let prefix = ''
   endif
-  return prefix . group . suffix
+  return prefix .. group .. suffix
 endfun
 
 " No extra arguments:  s:Ref(string, d) will
@@ -392,7 +405,7 @@ fun! s:Ref(string, d, ...)
     let match = a:string
     while cnt
       let cnt = cnt - 1
-      let index = matchend(match, s:notslash . '\\(')
+      let index = matchend(match, s:notslash .. '\\(')
       if index == -1
         return ""
       endif
@@ -404,7 +417,7 @@ fun! s:Ref(string, d, ...)
     endif
     let cnt = 1
     while cnt
-      let index = matchend(match, s:notslash . '\\(\|\\)') - 1
+      let index = matchend(match, s:notslash .. '\\(\|\\)') - 1
       if index == -2
         return ""
       endif
@@ -418,7 +431,7 @@ fun! s:Ref(string, d, ...)
   if a:0 == 1
     return len
   elseif a:0 == 2
-    return "let " . a:1 . "=" . start . "| let " . a:2 . "=" . len
+    return "let " .. a:1 .. "=" .. start .. "| let " .. a:2 .. "=" .. len
   else
     return strpart(a:string, start, len)
   endif
@@ -431,9 +444,9 @@ endfun
 fun! s:Count(string, pattern, ...)
   let pat = escape(a:pattern, '\\')
   if a:0 > 1
-    let foo = substitute(a:string, '[^'.a:pattern.']', "a:1", "g")
+    let foo = substitute(a:string, '[^' .. a:pattern .. ']', "a:1", "g")
     let foo = substitute(a:string, pat, a:2, "g")
-    let foo = substitute(foo, '[^' . a:2 . ']', "", "g")
+    let foo = substitute(foo, '[^' .. a:2 .. ']', "", "g")
     return strlen(foo)
   endif
   let result = 0
@@ -456,7 +469,7 @@ endfun
 " unless it is preceded by "\".
 fun! s:Resolve(source, target, output)
   let word = a:target
-  let i = matchend(word, s:notslash . '\\\d') - 1
+  let i = matchend(word, s:notslash .. '\\\d') - 1
   let table = "----------"
   while i != -2 " There are back references to be replaced.
     let d = word[i]
@@ -477,28 +490,28 @@ fun! s:Resolve(source, target, output)
       if table[s] == "-"
         if w + b < 10
           " let table[s] = w + b
-          let table = strpart(table, 0, s) . (w+b) . strpart(table, s+1)
+          let table = strpart(table, 0, s) .. (w+b) .. strpart(table, s+1)
         endif
         let b = b + 1
         let s = s + 1
       else
         execute s:Ref(backref, b, "start", "len")
         let ref = strpart(backref, start, len)
-        let backref = strpart(backref, 0, start) . ":". table[s]
-        \ . strpart(backref, start+len)
+        let backref = strpart(backref, 0, start) .. ":" .. table[s]
+        \ .. strpart(backref, start+len)
         let s = s + s:Count(substitute(ref, '\\\\', '', 'g'), '\(', '1')
       endif
     endwhile
-    let word = strpart(word, 0, i-1) . backref . strpart(word, i+1)
-    let i = matchend(word, s:notslash . '\\\d') - 1
+    let word = strpart(word, 0, i-1) .. backref .. strpart(word, i+1)
+    let i = matchend(word, s:notslash .. '\\\d') - 1
   endwhile
-  let word = substitute(word, s:notslash . '\zs:', '\\', 'g')
+  let word = substitute(word, s:notslash .. '\zs:', '\\', 'g')
   if a:output == "table"
     return table
   elseif a:output == "word"
     return word
   else
-    return table . word
+    return table .. word
   endif
 endfun
 
@@ -508,21 +521,21 @@ endfun
 " If <patn> is the first pattern that matches a:string then return <patn>
 " if no optional arguments are given; return <patn>,<altn> if a:1 is given.
 fun! s:Choose(patterns, string, comma, branch, prefix, suffix, ...)
-  let tail = (a:patterns =~ a:comma."$" ? a:patterns : a:patterns . a:comma)
-  let i = matchend(tail, s:notslash . a:comma)
+  let tail = (a:patterns =~ a:comma .. "$" ? a:patterns : a:patterns .. a:comma)
+  let i = matchend(tail, s:notslash .. a:comma)
   if a:0
-    let alttail = (a:1 =~ a:comma."$" ? a:1 : a:1 . a:comma)
-    let j = matchend(alttail, s:notslash . a:comma)
+    let alttail = (a:1 =~ a:comma .. "$" ? a:1 : a:1 .. a:comma)
+    let j = matchend(alttail, s:notslash .. a:comma)
   endif
   let current = strpart(tail, 0, i-1)
   if a:branch == ""
     let currpat = current
   else
-    let currpat = substitute(current, s:notslash . a:branch, '\\|', 'g')
+    let currpat = substitute(current, s:notslash .. a:branch, '\\|', 'g')
   endif
-  while a:string !~ a:prefix . currpat . a:suffix
+  while a:string !~ a:prefix .. currpat .. a:suffix
     let tail = strpart(tail, i)
-    let i = matchend(tail, s:notslash . a:comma)
+    let i = matchend(tail, s:notslash .. a:comma)
     if i == -1
       return -1
     endif
@@ -530,15 +543,15 @@ fun! s:Choose(patterns, string, comma, branch, prefix, suffix, ...)
     if a:branch == ""
       let currpat = current
     else
-      let currpat = substitute(current, s:notslash . a:branch, '\\|', 'g')
+      let currpat = substitute(current, s:notslash .. a:branch, '\\|', 'g')
     endif
     if a:0
       let alttail = strpart(alttail, j)
-      let j = matchend(alttail, s:notslash . a:comma)
+      let j = matchend(alttail, s:notslash .. a:comma)
     endif
   endwhile
   if a:0
-    let current = current . a:comma . strpart(alttail, 0, j-1)
+    let current = current .. a:comma .. strpart(alttail, 0, j-1)
   endif
   return current
 endfun
@@ -562,7 +575,7 @@ fun! matchit#Match_debug()
   " fin = 'endif' piece, with all backrefs resolved from match
   amenu &Matchit.&word  :echo b:match_word<CR>
   " '\'.d in ini refers to the same thing as '\'.table[d] in word.
-  amenu &Matchit.t&able :echo '0:' . b:match_table . ':9'<CR>
+  amenu &Matchit.t&able :echo '0:' .. b:match_table .. ':9'<CR>
 endfun
 
 " Jump to the nearest unmatched "(" or "if" or "<tag>" if a:spflag == "bW"
@@ -598,26 +611,26 @@ fun! matchit#MultiMatch(spflag, mode)
   endif
   if (match_words != s:last_words) || (&mps != s:last_mps) ||
     \ exists("b:match_debug")
-    let default = escape(&mps, '[$^.*~\\/?]') . (strlen(&mps) ? "," : "") .
+    let default = escape(&mps, '[$^.*~\\/?]') .. (strlen(&mps) ? "," : "") ..
       \ '\/\*:\*\/,#\s*if\%(n\=def\)\=:#\s*else\>:#\s*elif\>:#\s*endif\>'
     let s:last_mps = &mps
-    let match_words = match_words . (strlen(match_words) ? "," : "") . default
+    let match_words = match_words .. (strlen(match_words) ? "," : "") .. default
     let s:last_words = match_words
-    if match_words !~ s:notslash . '\\\d'
+    if match_words !~ s:notslash .. '\\\d'
       let s:do_BR = 0
       let s:pat = match_words
     else
       let s:do_BR = 1
       let s:pat = s:ParseWords(match_words)
     endif
-    let s:all = '\%(' . substitute(s:pat, '[,:]\+', '\\|', 'g') . '\)'
+    let s:all = '\%(' .. substitute(s:pat, '[,:]\+', '\\|', 'g') .. '\)'
     if exists("b:match_debug")
       let b:match_pat = s:pat
     endif
     " Reconstruct the version with unresolved backrefs.
-    let s:patBR = substitute(match_words.',',
-      \ s:notslash.'\zs[,:]*,[,:]*', ',', 'g')
-    let s:patBR = substitute(s:patBR, s:notslash.'\zs:\{2,}', ':', 'g')
+    let s:patBR = substitute(match_words .. ',',
+      \ s:notslash .. '\zs[,:]*,[,:]*', ',', 'g')
+    let s:patBR = substitute(s:patBR, s:notslash .. '\zs:\{2,}', ':', 'g')
   endif
 
   " Second step:  figure out the patterns for searchpair()
@@ -625,23 +638,23 @@ fun! matchit#MultiMatch(spflag, mode)
   " - TODO:  A lot of this is copied from matchit#Match_wrapper().
   " - maybe even more functionality should be split off
   " - into separate functions!
-  let openlist = split(s:pat . ',', s:notslash . '\zs:.\{-}' . s:notslash . ',')
-  let midclolist = split(',' . s:pat, s:notslash . '\zs,.\{-}' . s:notslash . ':')
-  call map(midclolist, {-> split(v:val, s:notslash . ':')})
+  let openlist = split(s:pat .. ',', s:notslash .. '\zs:.\{-}' .. s:notslash .. ',')
+  let midclolist = split(',' .. s:pat, s:notslash .. '\zs,.\{-}' .. s:notslash .. ':')
+  call map(midclolist, {-> split(v:val, s:notslash .. ':')})
   let closelist = []
   let middlelist = []
   call map(midclolist, {i,v -> [extend(closelist, v[-1 : -1]),
         \ extend(middlelist, v[0 : -2])]})
-  call map(openlist,   {i,v -> v =~# s:notslash . '\\|' ? '\%(' . v . '\)' : v})
-  call map(middlelist, {i,v -> v =~# s:notslash . '\\|' ? '\%(' . v . '\)' : v})
-  call map(closelist,  {i,v -> v =~# s:notslash . '\\|' ? '\%(' . v . '\)' : v})
+  call map(openlist,   {i,v -> v =~# s:notslash .. '\\|' ? '\%(' .. v .. '\)' : v})
+  call map(middlelist, {i,v -> v =~# s:notslash .. '\\|' ? '\%(' .. v .. '\)' : v})
+  call map(closelist,  {i,v -> v =~# s:notslash .. '\\|' ? '\%(' .. v .. '\)' : v})
   let open   = join(openlist, ',')
   let middle = join(middlelist, ',')
   let close  = join(closelist, ',')
   if exists("b:match_skip")
     let skip = b:match_skip
   elseif exists("b:match_comment") " backwards compatibility and testing!
-    let skip = "r:" . b:match_comment
+    let skip = "r:" .. b:match_comment
   else
     let skip = 's:comment\|string'
   endif
@@ -650,18 +663,18 @@ fun! matchit#MultiMatch(spflag, mode)
 
   " Third step: call searchpair().
   " Replace '\('--but not '\\('--with '\%(' and ',' with '\|'.
-  let openpat = substitute(open, '\%(' . s:notslash . '\)\@<=\\(', '\\%(', 'g')
+  let openpat = substitute(open, '\%(' .. s:notslash .. '\)\@<=\\(', '\\%(', 'g')
   let openpat = substitute(openpat, ',', '\\|', 'g')
-  let closepat = substitute(close, '\%(' . s:notslash . '\)\@<=\\(', '\\%(', 'g')
+  let closepat = substitute(close, '\%(' .. s:notslash .. '\)\@<=\\(', '\\%(', 'g')
   let closepat = substitute(closepat, ',', '\\|', 'g')
-  let middlepat = substitute(middle, '\%(' . s:notslash . '\)\@<=\\(', '\\%(', 'g')
+  let middlepat = substitute(middle, '\%(' .. s:notslash .. '\)\@<=\\(', '\\%(', 'g')
   let middlepat = substitute(middlepat, ',', '\\|', 'g')
 
   if skip =~ 'synID' && !(has("syntax") && exists("g:syntax_on"))
     let skip = '0'
   else
     try
-      execute "if " . skip . "| let skip = '0' | endif"
+      execute "if " .. skip .. "| let skip = '0' | endif"
     catch /^Vim\%((\a\+)\)\=:E363/
       " We won't find anything, so skip searching, should keep Vim responsive.
       return {}
@@ -744,11 +757,11 @@ fun! s:ParseSkip(str)
   let skip = a:str
   if skip[1] == ":"
     if skip[0] == "s"
-      let skip = "synIDattr(synID(line('.'),col('.'),1),'name') =~? '" .
-        \ strpart(skip,2) . "'"
+      let skip = "synIDattr(synID(line('.'),col('.'),1),'name') =~? '" ..
+        \ strpart(skip,2) .. "'"
     elseif skip[0] == "S"
-      let skip = "synIDattr(synID(line('.'),col('.'),1),'name') !~? '" .
-        \ strpart(skip,2) . "'"
+      let skip = "synIDattr(synID(line('.'),col('.'),1),'name') !~? '" ..
+        \ strpart(skip,2) .. "'"
     elseif skip[0] == "r"
       let skip = "strpart(getline('.'),0,col('.'))=~'" . strpart(skip,2). "'"
     elseif skip[0] == "R"
diff --git a/runtime/pack/dist/opt/matchit/doc/matchit.txt b/runtime/pack/dist/opt/matchit/doc/matchit.txt
index 7b2b92111..5a27f60a8 100644
--- a/runtime/pack/dist/opt/matchit/doc/matchit.txt
+++ b/runtime/pack/dist/opt/matchit/doc/matchit.txt
@@ -4,7 +4,7 @@ For instructions on installing this file, type
 	`:help matchit-install`
 inside Vim.
 
-For Vim version 8.1.  Last change:  2021 Nov 13
+For Vim version 8.2.  Last change:  2021 Dec 24
 
 
 		  VIM REFERENCE MANUAL    by Benji Fisher et al
@@ -148,6 +148,13 @@ To use the matchit plugin add this line to your |vimrc|: >
 
 The script should start working the next time you start Vim.
 
+To use the matching plugin after startup, you can use this command (note the
+omitted '!'): >
+	packadd matchit
+
+To use the matchit plugin after Vim has started, execute this command: >
+       packadd matchit
+
 (Earlier versions of the script did nothing unless a |buffer-variable| named
 |b:match_words| was defined.  Even earlier versions contained autocommands
 that set this variable for various file types.  Now, |b:match_words| is
@@ -376,8 +383,8 @@ The back reference '\'.d refers to the same thing as '\'.b:match_table[d] in
 5. Known Bugs and Limitations				*matchit-bugs*
 
 Repository: https://github.com/chrisbra/matchit/
-Bugs can be reported at the repository (alternatively you can send me a mail).
-The latest development snapshot can also be downloaded there.
+Bugs can be reported at the repository and the latest development snapshot can
+also be downloaded there.
 
 Just because I know about a bug does not mean that it is on my todo list.  I
 try to respond to reports of bugs that cause real problems.  If it does not
diff --git a/runtime/pack/dist/opt/matchit/plugin/matchit.vim b/runtime/pack/dist/opt/matchit/plugin/matchit.vim
index b62cc3913..51ba3a7f5 100644
--- a/runtime/pack/dist/opt/matchit/plugin/matchit.vim
+++ b/runtime/pack/dist/opt/matchit/plugin/matchit.vim
@@ -1,7 +1,7 @@
 "  matchit.vim: (global plugin) Extended "%" matching
 "  Maintainer:  Christian Brabandt
-"  Version:     1.17
-"  Last Change: 2019 Oct 24
+"  Version:     1.18
+"  Last Change: 2020 Dec 23
 "  Repository:  https://github.com/chrisbra/matchit
 "  Previous URL:http://www.vim.org/script.php?script_id=39
 "  Previous Maintainer:  Benji Fisher PhD   <benji@member.AMS.org>
@@ -48,18 +48,12 @@ set cpo&vim
 
 nnoremap <silent> <Plug>(MatchitNormalForward)     :<C-U>call matchit#Match_wrapper('',1,'n')<CR>
 nnoremap <silent> <Plug>(MatchitNormalBackward)    :<C-U>call matchit#Match_wrapper('',0,'n')<CR>
-xnoremap <silent> <Plug>(MatchitVisualForward)     :<C-U>call matchit#Match_wrapper('',1,'v')<CR>m'gv``
+xnoremap <silent> <Plug>(MatchitVisualForward)     :<C-U>call matchit#Match_wrapper('',1,'v')<CR>
+      \:if col("''") != col("$") \| exe ":normal! m'" \| endif<cr>gv``
 xnoremap <silent> <Plug>(MatchitVisualBackward)    :<C-U>call matchit#Match_wrapper('',0,'v')<CR>m'gv``
 onoremap <silent> <Plug>(MatchitOperationForward)  :<C-U>call matchit#Match_wrapper('',1,'o')<CR>
 onoremap <silent> <Plug>(MatchitOperationBackward) :<C-U>call matchit#Match_wrapper('',0,'o')<CR>
 
-nmap <silent> %  <Plug>(MatchitNormalForward)
-nmap <silent> g% <Plug>(MatchitNormalBackward)
-xmap <silent> %  <Plug>(MatchitVisualForward)
-xmap <silent> g% <Plug>(MatchitVisualBackward)
-omap <silent> %  <Plug>(MatchitOperationForward)
-omap <silent> g% <Plug>(MatchitOperationBackward)
-
 " Analogues of [{ and ]} using matching patterns:
 nnoremap <silent> <Plug>(MatchitNormalMultiBackward)    :<C-U>call matchit#MultiMatch("bW", "n")<CR>
 nnoremap <silent> <Plug>(MatchitNormalMultiForward)     :<C-U>call matchit#MultiMatch("W",  "n")<CR>
@@ -68,16 +62,28 @@ xnoremap <silent> <Plug>(MatchitVisualMultiForward)     :<C-U>call matchit#Multi
 onoremap <silent> <Plug>(MatchitOperationMultiBackward) :<C-U>call matchit#MultiMatch("bW", "o")<CR>
 onoremap <silent> <Plug>(MatchitOperationMultiForward)  :<C-U>call matchit#MultiMatch("W",  "o")<CR>
 
-nmap <silent> [% <Plug>(MatchitNormalMultiBackward)
-nmap <silent> ]% <Plug>(MatchitNormalMultiForward)
-xmap <silent> [% <Plug>(MatchitVisualMultiBackward)
-xmap <silent> ]% <Plug>(MatchitVisualMultiForward)
-omap <silent> [% <Plug>(MatchitOperationMultiBackward)
-omap <silent> ]% <Plug>(MatchitOperationMultiForward)
-
 " text object:
 xmap <silent> <Plug>(MatchitVisualTextObject) <Plug>(MatchitVisualMultiBackward)o<Plug>(MatchitVisualMultiForward)
-xmap a% <Plug>(MatchitVisualTextObject)
+
+if !exists("g:no_plugin_maps")
+  nmap <silent> %  <Plug>(MatchitNormalForward)
+  nmap <silent> g% <Plug>(MatchitNormalBackward)
+  xmap <silent> %  <Plug>(MatchitVisualForward)
+  xmap <silent> g% <Plug>(MatchitVisualBackward)
+  omap <silent> %  <Plug>(MatchitOperationForward)
+  omap <silent> g% <Plug>(MatchitOperationBackward)
+
+  " Analogues of [{ and ]} using matching patterns:
+  nmap <silent> [% <Plug>(MatchitNormalMultiBackward)
+  nmap <silent> ]% <Plug>(MatchitNormalMultiForward)
+  xmap <silent> [% <Plug>(MatchitVisualMultiBackward)
+  xmap <silent> ]% <Plug>(MatchitVisualMultiForward)
+  omap <silent> [% <Plug>(MatchitOperationMultiBackward)
+  omap <silent> ]% <Plug>(MatchitOperationMultiForward)
+
+  " Text object
+  xmap a% <Plug>(MatchitVisualTextObject)
+endif
 
 " Call this function to turn on debugging information.  Every time the main
 " script is run, buffer variables will be saved.  These can be used directly
diff --git a/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim b/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim
index 2dead80ae..76836d6c2 100644
--- a/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim
+++ b/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim
@@ -98,6 +98,10 @@ call s:Highlight(1, '', &background)
 hi default debugBreakpoint term=reverse ctermbg=red guibg=red
 hi default debugBreakpointDisabled term=reverse ctermbg=gray guibg=gray
 
+func s:GetCommand()
+  return type(g:termdebugger) == v:t_list ? copy(g:termdebugger) : [g:termdebugger]
+endfunc
+
 func s:StartDebug(bang, ...)
   " First argument is the command to debug, second core file or process ID.
   call s:StartDebug_internal({'gdb_args': a:000, 'bang': a:bang})
@@ -113,8 +117,9 @@ func s:StartDebug_internal(dict)
     echoerr 'Terminal debugger already running, cannot run two'
     return
   endif
-  if !executable(g:termdebugger)
-    echoerr 'Cannot execute debugger program "' .. g:termdebugger .. '"'
+  let gdbcmd = s:GetCommand()
+  if !executable(gdbcmd[0])
+    echoerr 'Cannot execute debugger program "' .. gdbcmd[0] .. '"'
     return
   endif
 
@@ -188,7 +193,7 @@ endfunc
 func s:CheckGdbRunning()
   let gdbproc = term_getjob(s:gdbbuf)
   if gdbproc == v:null || job_status(gdbproc) !=# 'run'
-    echoerr string(g:termdebugger) . ' exited unexpectedly'
+    echoerr string(s:GetCommand()[0]) . ' exited unexpectedly'
     call s:CloseBuffers()
     return ''
   endif
@@ -233,7 +238,7 @@ func s:StartDebug_term(dict)
   let gdb_args = get(a:dict, 'gdb_args', [])
   let proc_args = get(a:dict, 'proc_args', [])
 
-  let gdb_cmd = [g:termdebugger]
+  let gdb_cmd = s:GetCommand()
   " Add -quiet to avoid the intro message causing a hit-enter prompt.
   let gdb_cmd += ['-quiet']
   " Disable pagination, it causes everything to stop at the gdb
@@ -364,7 +369,7 @@ func s:StartDebug_prompt(dict)
   let gdb_args = get(a:dict, 'gdb_args', [])
   let proc_args = get(a:dict, 'proc_args', [])
 
-  let gdb_cmd = [g:termdebugger]
+  let gdb_cmd = s:GetCommand()
   " Add -quiet to avoid the intro message causing a hit-enter prompt.
   let gdb_cmd += ['-quiet']
   " Disable pagination, it causes everything to stop at the gdb, needs to be run early
diff --git a/runtime/syntax/debcontrol.vim b/runtime/syntax/debcontrol.vim
index 25fc252de..8b65ece4c 100644
--- a/runtime/syntax/debcontrol.vim
+++ b/runtime/syntax/debcontrol.vim
@@ -3,7 +3,7 @@
 " Maintainer:  Debian Vim Maintainers
 " Former Maintainers: Gerfried Fuchs <alfie@ist.org>
 "                     Wichert Akkerman <wakkerma@debian.org>
-" Last Change: 2020 Oct 26
+" Last Change: 2021 Nov 26
 " URL: https://salsa.debian.org/vim-team/vim-debian/blob/master/syntax/debcontrol.vim
 
 " Standard syntax initialization
@@ -91,6 +91,11 @@ syn case ignore
 
 " Handle all fields from deb-src-control(5)
 
+" Catch-all for the legal fields
+syn region debcontrolField matchgroup=debcontrolKey start="^\%(\%(XSBC-Original-\)\=Maintainer\|Standards-Version\|Bugs\|Origin\|X[SB]-Python-Version\|\%(XS-\)\=Vcs-Mtn\|\%(XS-\)\=Testsuite\%(-Triggers\)\=\|Build-Profiles\|Tag\|Subarchitecture\|Kernel-Version\|Installer-Menu-Item\): " end="$" contains=debcontrolVariable,debcontrolEmail oneline
+syn region debcontrolMultiField matchgroup=debcontrolKey start="^\%(Build-\%(Conflicts\|Depends\)\%(-Arch\|-Indep\)\=\|\%(Pre-\)\=Depends\|Recommends\|Suggests\|Breaks\|Enhances\|Replaces\|Conflicts\|Provides\|Built-Using\|Uploaders\|X[SBC]\{0,3\}\%(Private-\)\=-[-a-zA-Z0-9]\+\): *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=debcontrolEmail,debcontrolVariable,debcontrolComment
+syn region debcontrolMultiFieldSpell matchgroup=debcontrolKey start="^Description: *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=debcontrolEmail,debcontrolVariable,debcontrolComment,@Spell
+
 " Fields for which we do strict syntax checking
 syn region debcontrolStrictField matchgroup=debcontrolKey start="^Architecture: *" end="$" contains=debcontrolArchitecture,debcontrolSpace oneline
 syn region debcontrolStrictField matchgroup=debcontrolKey start="^Multi-Arch: *" end="$" contains=debcontrolMultiArch oneline
@@ -99,20 +104,15 @@ syn region debcontrolStrictField matchgroup=debcontrolKey start="^Priority: *" e
 syn region debcontrolStrictField matchgroup=debcontrolKey start="^Section: *" end="$" contains=debcontrolSection oneline
 syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XC-\)\=Package-Type: *" end="$" contains=debcontrolPackageType oneline
 syn region debcontrolStrictField matchgroup=debcontrolKey start="^Homepage: *" end="$" contains=debcontrolHTTPUrl oneline keepend
-syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XS-\)\=Vcs-\%(Browser\|Arch\|Bzr\|Darcs\|Hg\): *" end="$" contains=debcontrolHTTPUrl oneline keepend
-syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XS-\)\=Vcs-Svn: *" end="$" contains=debcontrolVcsSvn,debcontrolHTTPUrl oneline keepend
-syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XS-\)\=Vcs-Cvs: *" end="$" contains=debcontrolVcsCvs oneline keepend
-syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XS-\)\=Vcs-Git: *" end="$" contains=debcontrolVcsGit oneline keepend
+syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XS-[-a-zA-Z0-9]\+-\)\=Vcs-\%(Browser\|Arch\|Bzr\|Darcs\|Hg\): *" end="$" contains=debcontrolHTTPUrl oneline keepend
+syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XS-[-a-zA-Z0-9]\+-\)\=Vcs-Svn: *" end="$" contains=debcontrolVcsSvn,debcontrolHTTPUrl oneline keepend
+syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XS-[-a-zA-Z0-9]\+-\)\=Vcs-Cvs: *" end="$" contains=debcontrolVcsCvs oneline keepend
+syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(XS-[-a-zA-Z0-9]\+-\)\=Vcs-Git: *" end="$" contains=debcontrolVcsGit oneline keepend
 syn region debcontrolStrictField matchgroup=debcontrolKey start="^Rules-Requires-Root: *" end="$" contains=debcontrolR3 oneline
 syn region debcontrolStrictField matchgroup=debcontrolKey start="^\%(Build-\)\=Essential: *" end="$" contains=debcontrolYesNo oneline
 
 syn region debcontrolStrictField matchgroup=debcontrolDeprecatedKey start="^\%(XS-\)\=DM-Upload-Allowed: *" end="$" contains=debcontrolDmUpload oneline
 
-" Catch-all for the other legal fields
-syn region debcontrolField matchgroup=debcontrolKey start="^\%(\%(XSBC-Original-\)\=Maintainer\|Standards-Version\|Bugs\|Origin\|X[SB]-Python-Version\|\%(XS-\)\=Vcs-Mtn\|\%(XS-\)\=Testsuite\%(-Triggers\)\=\|Build-Profiles\|Tag\|Subarchitecture\|Kernel-Version\|Installer-Menu-Item\): " end="$" contains=debcontrolVariable,debcontrolEmail oneline
-syn region debcontrolMultiField matchgroup=debcontrolKey start="^\%(Build-\%(Conflicts\|Depends\)\%(-Arch\|-Indep\)\=\|\%(Pre-\)\=Depends\|Recommends\|Suggests\|Breaks\|Enhances\|Replaces\|Conflicts\|Provides\|Built-Using\|Uploaders\|X[SBC]\{0,3\}\%(Private-\)\=-[-a-zA-Z0-9]\+\): *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=debcontrolEmail,debcontrolVariable,debcontrolComment
-syn region debcontrolMultiFieldSpell matchgroup=debcontrolKey start="^Description: *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=debcontrolEmail,debcontrolVariable,debcontrolComment,@Spell
-
 " Associate our matches and regions with pretty colours
 hi def link debcontrolKey           Keyword
 hi def link debcontrolField         Normal
diff --git a/runtime/syntax/dep3patch.vim b/runtime/syntax/dep3patch.vim
new file mode 100644
index 000000000..8b2cee629
--- /dev/null
+++ b/runtime/syntax/dep3patch.vim
@@ -0,0 +1,57 @@
+" Vim syntax file
+" Language:    Debian DEP3 Patch headers
+" Maintainer:  Gabriel Filion <gabster@lelutin.ca>
+" Last Change: 2021-01-09
+" URL: https://salsa.debian.org/vim-team/vim-debian/blob/master/syntax/dep3patch.vim
+"
+" Specification of the DEP3 patch header format is available at:
+"   https://dep-team.pages.debian.net/deps/dep3/
+
+" Standard syntax initialization
+if exists('b:current_syntax')
+  finish
+endif
+
+runtime! syntax/diff.vim
+unlet! b:current_syntax
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+syn region dep3patchHeaders start="\%^" end="^\%(---\)\@=" contains=dep3patchKey,dep3patchMultiField
+
+syn case ignore
+
+syn region dep3patchMultiField matchgroup=dep3patchKey start="^\%(Description\|Subject\)\ze: *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contained contains=@Spell
+syn region dep3patchMultiField matchgroup=dep3patchKey start="^Origin\ze: *" end="$" contained contains=dep3patchHTTPUrl,dep3patchCommitID,dep3patchOriginCategory oneline keepend
+syn region dep3patchMultiField matchgroup=dep3patchKey start="^Bug\%(-[[:graph:]]\+\)\?\ze: *" end="$" contained contains=dep3patchHTTPUrl oneline keepend
+syn region dep3patchMultiField matchgroup=dep3patchKey start="^Forwarded\ze: *" end="$" contained contains=dep3patchHTTPUrl,dep3patchForwardedShort oneline keepend
+syn region dep3patchMultiField matchgroup=dep3patchKey start="^\%(Author\|From\)\ze: *" end="$" contained contains=dep3patchEmail oneline keepend
+syn region dep3patchMultiField matchgroup=dep3patchKey start="^\%(Reviewed-by\|Acked-by\)\ze: *" end="$" contained contains=dep3patchEmail oneline keepend
+syn region dep3patchMultiField matchgroup=dep3patchKey start="^Last-Updated\ze: *" end="$" contained contains=dep3patchISODate oneline keepend
+syn region dep3patchMultiField matchgroup=dep3patchKey start="^Applied-Upstream\ze: *" end="$" contained contains=dep3patchHTTPUrl,dep3patchCommitID oneline keepend
+
+syn match dep3patchHTTPUrl contained "\vhttps?://[[:alnum:]][-[:alnum:]]*[[:alnum:]]?(\.[[:alnum:]][-[:alnum:]]*[[:alnum:]]?)*\.[[:alpha:]][-[:alnum:]]*[[:alpha:]]?(:\d+)?(/[^[:space:]]*)?$"
+syn match dep3patchCommitID contained "commit:[[:alnum:]]\+"
+syn match dep3patchOriginCategory contained "\%(upstream\|backport\|vendor\|other\), "
+syn match dep3patchForwardedShort contained "\%(yes\|no\|not-needed\), "
+syn match dep3patchEmail "[_=[:alnum:]\.+-]\+@[[:alnum:]\./\-]\+"
+syn match dep3patchEmail "<.\{-}>"
+syn match dep3patchISODate "[[:digit:]]\{4}-[[:digit:]]\{2}-[[:digit:]]\{2}"
+
+" Associate our matches and regions with pretty colours
+hi def link dep3patchKey            Keyword
+hi def link dep3patchOriginCategory Keyword
+hi def link dep3patchForwardedShort Keyword
+hi def link dep3patchMultiField     Normal
+hi def link dep3patchHTTPUrl        Identifier
+hi def link dep3patchCommitID       Identifier
+hi def link dep3patchEmail          Identifier
+hi def link dep3patchISODate        Identifier
+
+let b:current_syntax = 'dep3patch'
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: ts=8 sw=2
diff --git a/runtime/syntax/dtd.vim b/runtime/syntax/dtd.vim
index ef0592e1d..58f07c98d 100644
--- a/runtime/syntax/dtd.vim
+++ b/runtime/syntax/dtd.vim
@@ -45,7 +45,7 @@ if !exists("dtd_no_tag_errors")
     syn region dtdError contained start=+<!+lc=2 end=+>+
 endif
 
-" if this is a html like comment hightlight also
+" if this is a html like comment highlight also
 " the opening <! and the closing > as Comment.
 syn region dtdComment		start=+<![ \t]*--+ end=+-->+ contains=dtdTodo,@Spell
 
@@ -99,8 +99,8 @@ syn match   dtdEntity		      "&[^; \t]*;" contains=dtdEntityPunct
 syn match   dtdEntityPunct  contained "[&.;]"
 
 " Strings are between quotes
-syn region dtdString    start=+"+ skip=+\\\\\|\\"+  end=+"+ contains=dtdAttrDef,dtdAttrType,dtdEnum,dtdParamEntityInst,dtdEntity,dtdCard
-syn region dtdString    start=+'+ skip=+\\\\\|\\'+  end=+'+ contains=dtdAttrDef,dtdAttrType,dtdEnum,dtdParamEntityInst,dtdEntity,dtdCard
+syn region dtdString    start=+"+ skip=+\\\\\|\\"+  end=+"+ contains=dtdAttrDef,dtdAttrType,dtdParamEntityInst,dtdEntity,dtdCard
+syn region dtdString    start=+'+ skip=+\\\\\|\\'+  end=+'+ contains=dtdAttrDef,dtdAttrType,dtdParamEntityInst,dtdEntity,dtdCard
 
 " Enumeration of elements or data between parenthesis
 "
diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index f03ff00da..6dad19528 100644
--- 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 11, 2021
-" Version:	8.2-19
+" Last Change:	December 21, 2021
+" Version:	8.2-20
 " URL:	http://www.drchip.org/astronaut/vim/index.html#SYNTAX_VIM
 " Automatically generated keyword lists: {{{1
 
@@ -29,24 +29,24 @@ 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 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
+syn keyword vimOption contained	acd ambw arshape aw backupskip beval bk bri bufhidden cdh ci cinwords cocu complete copyindent cryptmethod csl cuc debug dictionary display ef endofline esckeys fdc fdt fileencoding fixeol foldcolumn foldminlines fp gfn grepprg guiligatures hf hkmap icon imc imsf inde is isprint kmp lbr listchars lsp makeencoding maxmem mh mmp more mouseshape mzschemedll odev pa path pheader previewheight printmbcharset pvp pyxversion redrawtime ri rs sb scroll sections shcf shelltype showbreak sidescroll smartindent sp spf srr statusline sw sxq tabstop tags tbs termguicolors textmode thesaurusfunc titlestring tpm ttimeoutlen ttyscroll tx undolevels vartabstop vfile virtualedit warn wfh wildchar wim winminheight wmh write
+syn keyword vimOption contained	ai anti asd awa balloondelay bevalterm bkc briopt buflisted cdhome cin clipboard cole completefunc cot cscopepathcomp cspc cul deco diff dy efm eol et fde fen fileencodings fk foldenable foldnestmax fs gfs gtl guioptions hh hkmapp iconstring imcmdline imst indentexpr isf joinspaces kp lcs lm luadll makeprg maxmempattern mis mmt mouse mouset mzschemegcdll oft packpath pdev pi previewpopup printmbfont pvw qe regexpengine rightleft rtp sbo scrollbind secure shell shellxescape showcmd sidescrolloff smarttab spc spl ss stl swapfile syn tag tagstack tc termwinkey textwidth tildeop tl tr ttm ttytype uc undoreload vb vi visualbell wb wfw wildcharm winaltkeys winminwidth wmnu writeany
+syn keyword vimOption contained	akm antialias autochdir background ballooneval bex bl brk buftype cdpath cindent cm colorcolumn completeopt cp cscopeprg csprg culopt def diffexpr ea ei ep eventignore fdi fenc fileformat fkmap foldexpr foldopen fsync gfw gtt guipty hi hkp ignorecase imd imstatusfunc indentkeys isfname js langmap linebreak lmap lw mat maxmemtot mkspellmem mod mousef mousetime nf ofu para penc pm previewwindow printoptions pw qftf relativenumber rightleftcmd ru sbr scrollfocus sel shellcmdflag shellxquote showfulltag signcolumn smc spell splitbelow ssl stmp swapsync synmaxcol tagbsearch tal tcldll termwinscroll tf timeout tm ts tty tw udf updatecount vbs viewdir vop wc wh wildignore wincolor winptydll wmw writebackup
+syn keyword vimOption contained	al ar autoindent backspace balloonevalterm bexpr bo browsedir casemap cedit cink cmdheight columns completepopup cpo cscopequickfix csqf cursorbind define diffopt ead ek equalalways ex fdl fencs fileformats flp foldignore foldtext ft ghr guicursor guitablabel hid hl im imdisable imstyle indk isi key langmenu lines lnr lz matchpairs mco ml modeline mousefocus mp nrformats omnifunc paragraphs perldll pmbcs printdevice prompt pythondll quickfixtextfunc remap rl rubydll sc scrolljump selection shellpipe shiftround showmatch siso smd spellcapcheck splitright ssop sts swb syntax tagcase tb tenc termwinsize tfu timeoutlen to tsl ttybuiltin twk udir updatetime vdir viewoptions vsts wcm whichwrap wildignorecase window winwidth wop writedelay
+syn keyword vimOption contained	aleph arab autoread backup balloonexpr bg bomb bs cb cf cinkeys cmdwinheight com completeslash cpoptions cscoperelative csre cursorcolumn delcombine digraph eadirection emo equalprg expandtab fdls fex fileignorecase fml foldlevel formatexpr gcr gli guifont guitabtooltip hidden hlg imactivatefunc imi inc inex isident keymap langnoremap linespace loadplugins ma matchtime mef mle modelineexpr mousehide mps nu opendevice paste pex pmbfn printencoding pt pythonhome quoteescape renderoptions rlc ruf scb scrolloff selectmode shellquote shiftwidth showmode sj sn spellfile spo st su swf ta tagfunc tbi term termwintype tgc title toolbar tsr ttyfast tws ul ur ve vif vts wcr wi wildmenu winfixheight wiv wrap ws
+syn keyword vimOption contained	allowrevins arabic autoshelldir backupcopy bdir bh breakat bsdir cc cfu cino cmp comments concealcursor cpp cscopetag cst cursorline dex dip eb emoji errorbells exrc fdm ff filetype fmr foldlevelstart formatlistpat gd go guifontset helpfile highlight hls imactivatekey iminsert include inf isk keymodel langremap lisp lpl macatsui maxcombine menc mls modelines mousem msm number operatorfunc pastetoggle pexpr popt printexpr pumheight pythonthreedll rdt report rnu ruler scf scrollopt sessionoptions shellredir shm showtabline slm so spelllang spr sta sua switchbuf tabline taglength tbidi termbidi terse tgst titlelen toolbariconsize tsrfu ttym twsl undodir ut verbose viminfo wa wd wic wildmode winfixwidth wiw wrapmargin ww
+syn keyword vimOption contained	altkeymap arabicshape autowrite backupdir bdlay bin breakindent bsk ccv ch cinoptions cms commentstring conceallevel cpt cscopetagorder csto cursorlineopt dg dir ed enc errorfile fcl fdn ffs fillchars fo foldmarker formatoptions gdefault gp guifontwide helpheight history hlsearch imaf ims includeexpr infercase iskeyword keywordprg laststatus lispwords lrm magic maxfuncdepth menuitems mm modifiable mousemodel mzq numberwidth opfunc patchexpr pfn pp printfont pumwidth pythonthreehome re restorescreen ro rulerformat scl scs sft shellslash shortmess shq sm softtabstop spelloptions sps stal suffixes sws tabpagemax tagrelative tbis termencoding textauto thesaurus titleold top ttimeout ttymouse twt undofile varsofttabstop verbosefile viminfofile wak weirdinvert wig wildoptions winheight wm wrapscan xtermcodes
+syn keyword vimOption contained	ambiwidth ari autowriteall backupext belloff binary breakindentopt bt cd charconvert cinw co compatible confirm crb cscopeverbose csverb cwh dict directory edcompatible encoding errorformat fcs fdo fic fixendofline foldclose foldmethod formatprg gfm grepformat guiheadroom helplang hk ic imak imsearch incsearch insertmode isp km lazyredraw list ls makeef maxmapdepth mfd mmd modified mouses mzquantum nuw osfiletype patchmode ph preserveindent printheader pvh pyx readonly revins rop runtimepath scr sect sh shelltemp shortname si smartcase sol spellsuggest sr startofline suffixesadd sxe
 
 " vimOptions: These are the turn-off setting variants {{{2
-syn keyword vimOption contained	noacd noallowrevins noantialias noarabic noarshape noautoindent noautowrite noawa noballoonevalterm nobin nobl nobri noci nocompatible nocp nocscopetag nocst nocul nocursorline nodg noea noedcompatible noemoji noequalalways noet noexrc nofileignorecase nofk nofs nogdefault nohidden nohkmapp nohlsearch noignorecase noimcmdline noincsearch noinsertmode nojs nolazyredraw nolisp noloadplugins nolz nomagic nomle nomodelineexpr nomodified nomousef nomousehide nonumber noopendevice nopi nopreviewwindow nopvw norelativenumber norestorescreen nori norl noro noru nosb noscb noscrollbind noscs nosft noshelltemp noshortname noshowfulltag noshowmode nosm nosmartindent nosmd nosol nosplitbelow nospr nossl nostartofline noswapfile nota notagrelative notbi notbs noterse notextmode notgst notimeout noto notr nottybuiltin notx noundofile novisualbell nowarn noweirdinvert nowfw nowildignorecase nowinfixheight nowiv nowrap nowrite nowritebackup
-syn keyword vimOption contained	noai noaltkeymap noar noarabicshape noasd noautoread noautowriteall nobackup nobeval nobinary nobomb nobuflisted nocin noconfirm nocrb nocscopeverbose nocsverb nocursorbind nodeco nodiff noeb noek noendofline noerrorbells noex nofen nofixendofline nofkmap nofsync noguipty nohk nohkp noic noim noimd noinf nois nolangnoremap nolbr nolist nolpl noma nomh nomod nomodifiable nomore nomousefocus nonu noodev nopaste nopreserveindent noprompt noreadonly noremap norevins norightleft nornu nors noruler nosc noscf noscrollfocus nosecure noshellslash noshiftround noshowcmd noshowmatch nosi nosmartcase nosmarttab nosn nospell nosplitright nosr nosta nostmp noswf notagbsearch notagstack notbidi notermbidi notextauto notf notildeop notitle notop nottimeout nottyfast noudf novb nowa nowb nowfh nowic nowildmenu nowinfixwidth nowmnu nowrapscan nowriteany nows
-syn keyword vimOption contained	noakm noanti noarab noari noautochdir noautoshelldir noaw noballooneval nobevalterm nobk nobreakindent nocf nocindent nocopyindent nocscoperelative nocsre nocuc nocursorcolumn nodelcombine nodigraph noed noemo noeol noesckeys noexpandtab nofic nofixeol nofoldenable nogd nohid nohkmap nohls noicon noimc noimdisable noinfercase nojoinspaces nolangremap nolinebreak nolnr nolrm nomacatsui noml nomodeline
+syn keyword vimOption contained	noacd noallowrevins noantialias noarabic noarshape noautoindent noautowrite noawa noballoonevalterm nobin nobl nobri noci nocompatible nocp nocscopetag nocst nocul nocursorline nodg noea noedcompatible noemoji noequalalways noet noexrc nofileignorecase nofk nofs nogdefault nohidden nohkmapp nohlsearch noignorecase noimcmdline noincsearch noinsertmode nojs nolazyredraw nolisp noloadplugins nolz nomagic nomle nomodelineexpr nomore nomousefocus nonu noodev nopaste nopreserveindent noprompt noreadonly noremap norevins norightleft nornu nors noruler nosc noscf noscrollfocus nosecure noshellslash noshiftround noshowcmd noshowmatch nosi nosmartcase nosmarttab nosn nospell nosplitright nosr nosta nostmp noswf notagbsearch notagstack notbidi notermbidi notextauto notf notildeop notitle notop nottimeout nottyfast noudf novb nowa nowb nowfh nowic nowildmenu nowinfixwidth nowmnu nowrapscan nowriteany nows
+syn keyword vimOption contained	noai noaltkeymap noar noarabicshape noasd noautoread noautowriteall nobackup nobeval nobinary nobomb nobuflisted nocin noconfirm nocrb nocscopeverbose nocsverb nocursorbind nodeco nodiff noeb noek noendofline noerrorbells noex nofen nofixendofline nofkmap nofsync noguipty nohk nohkp noic noim noimd noinf nois nolangnoremap nolbr nolist nolpl noma nomh nomod nomodifiable nomousef nomousehide nonumber noopendevice nopi nopreviewwindow nopvw norelativenumber norestorescreen nori norl noro noru nosb noscb noscrollbind noscs nosft noshelltemp noshortname noshowfulltag noshowmode nosm nosmartindent nosmd nosol nosplitbelow nospr nossl nostartofline noswapfile nota notagrelative notbi notbs noterse notextmode notgst notimeout noto notr nottybuiltin notx noundofile novisualbell nowarn noweirdinvert nowfw nowildignorecase nowinfixheight nowiv nowrap nowrite nowritebackup noxtermcodes
+syn keyword vimOption contained	noakm noanti noarab noari noautochdir noautoshelldir noaw noballooneval nobevalterm nobk nobreakindent nocf nocindent nocopyindent nocscoperelative nocsre nocuc nocursorcolumn nodelcombine nodigraph noed noemo noeol noesckeys noexpandtab nofic nofixeol nofoldenable nogd nohid nohkmap nohls noicon noimc noimdisable noinfercase nojoinspaces nolangremap nolinebreak nolnr nolrm nomacatsui noml nomodeline nomodified
 
 " vimOptions: These are the invertible variants {{{2
-syn keyword vimOption contained	invacd invallowrevins invantialias invarabic invarshape invautoindent invautowrite invawa invballoonevalterm invbin invbl invbri invci invcompatible invcp invcscopetag invcst invcul invcursorline invdg invea invedcompatible invemoji invequalalways invet invexrc invfileignorecase invfk invfs invgdefault invhidden invhkmapp invhlsearch invignorecase invimcmdline invincsearch invinsertmode invjs invlazyredraw invlisp invloadplugins invlz invmagic invmle invmodelineexpr invmodified invmousef invmousehide invnumber invopendevice invpi invpreviewwindow invpvw invrelativenumber invrestorescreen invri invrl invro invru invsb invscb invscrollbind invscs invsft invshelltemp invshortname invshowfulltag invshowmode invsm invsmartindent invsmd invsol invsplitbelow invspr invssl invstartofline invswapfile invta invtagrelative invtbi invtbs invterse invtextmode invtgst invtimeout invto invtr invttybuiltin invtx invundofile invvisualbell invwarn invweirdinvert invwfw invwildignorecase invwinfixheight invwiv invwrap invwrite invwritebackup
-syn keyword vimOption contained	invai invaltkeymap invar invarabicshape invasd invautoread invautowriteall invbackup invbeval invbinary invbomb invbuflisted invcin invconfirm invcrb invcscopeverbose invcsverb invcursorbind invdeco invdiff inveb invek invendofline inverrorbells invex invfen invfixendofline invfkmap invfsync invguipty invhk invhkp invic invim invimd invinf invis invlangnoremap invlbr invlist invlpl invma invmh invmod invmodifiable invmore invmousefocus invnu invodev invpaste invpreserveindent invprompt invreadonly invremap invrevins invrightleft invrnu invrs invruler invsc invscf invscrollfocus invsecure invshellslash invshiftround invshowcmd invshowmatch invsi invsmartcase invsmarttab invsn invspell invsplitright invsr invsta invstmp invswf invtagbsearch invtagstack invtbidi invtermbidi invtextauto invtf invtildeop invtitle invtop invttimeout invttyfast invudf invvb invwa invwb invwfh invwic invwildmenu invwinfixwidth invwmnu invwrapscan invwriteany invws
-syn keyword vimOption contained	invakm invanti invarab invari invautochdir invautoshelldir invaw invballooneval invbevalterm invbk invbreakindent invcf invcindent invcopyindent invcscoperelative invcsre invcuc invcursorcolumn invdelcombine invdigraph inved invemo inveol invesckeys invexpandtab invfic invfixeol invfoldenable invgd invhid invhkmap invhls invicon invimc invimdisable invinfercase invjoinspaces invlangremap invlinebreak invlnr invlrm invmacatsui invml invmodeline
+syn keyword vimOption contained	invacd invallowrevins invantialias invarabic invarshape invautoindent invautowrite invawa invballoonevalterm invbin invbl invbri invci invcompatible invcp invcscopetag invcst invcul invcursorline invdg invea invedcompatible invemoji invequalalways invet invexrc invfileignorecase invfk invfs invgdefault invhidden invhkmapp invhlsearch invignorecase invimcmdline invincsearch invinsertmode invjs invlazyredraw invlisp invloadplugins invlz invmagic invmle invmodelineexpr invmore invmousefocus invnu invodev invpaste invpreserveindent invprompt invreadonly invremap invrevins invrightleft invrnu invrs invruler invsc invscf invscrollfocus invsecure invshellslash invshiftround invshowcmd invshowmatch invsi invsmartcase invsmarttab invsn invspell invsplitright invsr invsta invstmp invswf invtagbsearch invtagstack invtbidi invtermbidi invtextauto invtf invtildeop invtitle invtop invttimeout invttyfast invudf invvb invwa invwb invwfh invwic invwildmenu invwinfixwidth invwmnu invwrapscan invwriteany invws
+syn keyword vimOption contained	invai invaltkeymap invar invarabicshape invasd invautoread invautowriteall invbackup invbeval invbinary invbomb invbuflisted invcin invconfirm invcrb invcscopeverbose invcsverb invcursorbind invdeco invdiff inveb invek invendofline inverrorbells invex invfen invfixendofline invfkmap invfsync invguipty invhk invhkp invic invim invimd invinf invis invlangnoremap invlbr invlist invlpl invma invmh invmod invmodifiable invmousef invmousehide invnumber invopendevice invpi invpreviewwindow invpvw invrelativenumber invrestorescreen invri invrl invro invru invsb invscb invscrollbind invscs invsft invshelltemp invshortname invshowfulltag invshowmode invsm invsmartindent invsmd invsol invsplitbelow invspr invssl invstartofline invswapfile invta invtagrelative invtbi invtbs invterse invtextmode invtgst invtimeout invto invtr invttybuiltin invtx invundofile invvisualbell invwarn invweirdinvert invwfw invwildignorecase invwinfixheight invwiv invwrap invwrite invwritebackup invxtermcodes
+syn keyword vimOption contained	invakm invanti invarab invari invautochdir invautoshelldir invaw invballooneval invbevalterm invbk invbreakindent invcf invcindent invcopyindent invcscoperelative invcsre invcuc invcursorcolumn invdelcombine invdigraph inved invemo inveol invesckeys invexpandtab invfic invfixeol invfoldenable invgd invhid invhkmap invhls invicon invimc invimdisable invinfercase invjoinspaces invlangremap invlinebreak invlnr invlrm invmacatsui invml invmodeline invmodified
 
 " termcap codes (which can also be set) {{{2
 syn keyword vimOption contained	t_8b t_8u t_AF t_AL t_bc t_BE t_ce t_cl t_Co t_Cs t_CV t_db t_DL t_EI t_F2 t_F4 t_F6 t_F8 t_fd t_fs t_IE t_k1 t_k2 t_K3 t_K4 t_K5 t_K6 t_K7 t_K8 t_K9 t_kb t_KB t_kd t_KD t_KE t_KG t_kh t_KH t_kI t_KI t_KJ t_KK t_kl t_KL t_kN t_kP t_kr t_ks t_ku t_le t_mb t_md t_me t_mr t_ms t_nd t_op t_PE t_PS t_RB t_RC t_RF t_Ri t_RI t_RS t_RT t_RV t_Sb t_SC t_se t_Sf t_SH t_Si t_SI t_so t_sr t_SR t_ST t_te t_Te t_TE t_ti t_TI t_ts t_Ts t_u7 t_ue t_us t_ut t_vb t_ve t_vi t_vs t_VS t_WP t_WS t_xn t_xs t_ZH t_ZR
diff --git a/runtime/syntax/xml.vim b/runtime/syntax/xml.vim
index 7c9791a7c..d99f8b467 100644
--- a/runtime/syntax/xml.vim
+++ b/runtime/syntax/xml.vim
@@ -10,6 +10,7 @@
 " 20190923 - Fix xmlEndTag to match xmlTag (vim/vim#884)
 " 20190924 - Fix xmlAttribute property (amadeus/vim-xml@d8ce1c946)
 " 20191103 - Enable spell checking globally
+" 20210428 - Improve syntax synchronizing
 
 " CONFIGURATION:
 "   syntax folding can be turned on by
@@ -302,9 +303,12 @@ unlet b:current_syntax
 
 
 " synchronizing
-" TODO !!! to be improved !!!
 
-syn sync match xmlSyncDT grouphere  xmlDocType +\_.\(<!DOCTYPE\)\@=+
+syn sync match xmlSyncComment grouphere xmlComment +<!--+
+syn sync match xmlSyncComment groupthere NONE +-->+
+
+" The following is slow on large documents (and the doctype is optional
+" syn sync match xmlSyncDT grouphere  xmlDocType +\_.\(<!DOCTYPE\)\@=+
 " syn sync match xmlSyncDT groupthere  NONE       +]>+
 
 if exists('g:xml_syntax_folding')
@@ -313,7 +317,7 @@ if exists('g:xml_syntax_folding')
     syn sync match xmlSync groupthere  xmlRegion  +</[^ /!?<>"']\+>+
 endif
 
-syn sync minlines=100
+syn sync minlines=100 maxlines=200
 
 
 " The default highlighting.
@@ -354,4 +358,4 @@ let b:current_syntax = "xml"
 let &cpo = s:xml_cpo_save
 unlet s:xml_cpo_save
 
-" vim: ts=8
+" vim: ts=4
diff --git a/runtime/syntax/zsh.vim b/runtime/syntax/zsh.vim
index 819c41922..bab89b916 100644
--- a/runtime/syntax/zsh.vim
+++ b/runtime/syntax/zsh.vim
@@ -41,11 +41,12 @@ if get(g:, 'zsh_fold_enable', 0)
     setlocal foldmethod=syntax
 endif
 
+syn match   zshQuoted           '\\.'
 syn match   zshPOSIXQuoted      '\\[xX][0-9a-fA-F]\{1,2}'
 syn match   zshPOSIXQuoted      '\\[0-7]\{1,3}'
 syn match   zshPOSIXQuoted      '\\u[0-9a-fA-F]\{1,4}'
 syn match   zshPOSIXQuoted      '\\U[1-9a-fA-F]\{1,8}'
-syn match   zshQuoted           '\\.'
+
 syn region  zshString           matchgroup=zshStringDelimiter start=+"+ end=+"+
                                 \ contains=zshQuoted,@zshDerefs,@zshSubst fold
 syn region  zshString           matchgroup=zshStringDelimiter start=+'+ end=+'+ fold
@@ -133,217 +134,15 @@ syn keyword zshCommands         alias autoload bg bindkey break bye cap cd
                                 \ zmodload zparseopts zprof zpty zrecompile
                                 \ zregexparse zsocket zstyle ztcp
 
-" Options, generated by: echo ${(j:\n:)options[(I)*]} | sort
-" Create a list of option names from zsh source dir:
-"     #!/bin/zsh
-"    topdir=/path/to/zsh-xxx
-"    grep '^pindex([A-Za-z_]*)$' $topdir/Doc/Zsh/options.yo |
-"    while read opt
-"    do
-"        echo ${${(L)opt#pindex\(}%\)}
-"    done
-
+" Options, generated by from the zsh source with the make-options.zsh script.
 syn case ignore
-
-syn match   zshOptStart /^\s*\%(\%(\%(un\)\?setopt\)\|set\s+[-+]o\)/ nextgroup=zshOption skipwhite
-syn match   zshOption /
-      \ \%(\%(\<no_\?\)\?aliases\>\)\|
-      \ \%(\%(\<no_\?\)\?aliasfuncdef\>\)\|\%(\%(no_\?\)\?alias_func_def\>\)\|
-      \ \%(\%(\<no_\?\)\?allexport\>\)\|\%(\%(no_\?\)\?all_export\>\)\|
-      \ \%(\%(\<no_\?\)\?alwayslastprompt\>\)\|\%(\%(no_\?\)\?always_last_prompt\>\)\|\%(\%(no_\?\)\?always_lastprompt\>\)\|
-      \ \%(\%(\<no_\?\)\?alwaystoend\>\)\|\%(\%(no_\?\)\?always_to_end\>\)\|
-      \ \%(\%(\<no_\?\)\?appendcreate\>\)\|\%(\%(no_\?\)\?append_create\>\)\|
-      \ \%(\%(\<no_\?\)\?appendhistory\>\)\|\%(\%(no_\?\)\?append_history\>\)\|
-      \ \%(\%(\<no_\?\)\?autocd\>\)\|\%(\%(no_\?\)\?auto_cd\>\)\|
-      \ \%(\%(\<no_\?\)\?autocontinue\>\)\|\%(\%(no_\?\)\?auto_continue\>\)\|
-      \ \%(\%(\<no_\?\)\?autolist\>\)\|\%(\%(no_\?\)\?auto_list\>\)\|
-      \ \%(\%(\<no_\?\)\?automenu\>\)\|\%(\%(no_\?\)\?auto_menu\>\)\|
-      \ \%(\%(\<no_\?\)\?autonamedirs\>\)\|\%(\%(no_\?\)\?auto_name_dirs\>\)\|
-      \ \%(\%(\<no_\?\)\?autoparamkeys\>\)\|\%(\%(no_\?\)\?auto_param_keys\>\)\|
-      \ \%(\%(\<no_\?\)\?autoparamslash\>\)\|\%(\%(no_\?\)\?auto_param_slash\>\)\|
-      \ \%(\%(\<no_\?\)\?autopushd\>\)\|\%(\%(no_\?\)\?auto_pushd\>\)\|
-      \ \%(\%(\<no_\?\)\?autoremoveslash\>\)\|\%(\%(no_\?\)\?auto_remove_slash\>\)\|
-      \ \%(\%(\<no_\?\)\?autoresume\>\)\|\%(\%(no_\?\)\?auto_resume\>\)\|
-      \ \%(\%(\<no_\?\)\?badpattern\>\)\|\%(\%(no_\?\)\?bad_pattern\>\)\|
-      \ \%(\%(\<no_\?\)\?banghist\>\)\|\%(\%(no_\?\)\?bang_hist\>\)\|
-      \ \%(\%(\<no_\?\)\?bareglobqual\>\)\|\%(\%(no_\?\)\?bare_glob_qual\>\)\|
-      \ \%(\%(\<no_\?\)\?bashautolist\>\)\|\%(\%(no_\?\)\?bash_auto_list\>\)\|
-      \ \%(\%(\<no_\?\)\?bashrematch\>\)\|\%(\%(no_\?\)\?bash_rematch\>\)\|
-      \ \%(\%(\<no_\?\)\?beep\>\)\|
-      \ \%(\%(\<no_\?\)\?bgnice\>\)\|\%(\%(no_\?\)\?bg_nice\>\)\|
-      \ \%(\%(\<no_\?\)\?braceccl\>\)\|\%(\%(no_\?\)\?brace_ccl\>\)\|
-      \ \%(\%(\<no_\?\)\?braceexpand\>\)\|\%(\%(no_\?\)\?brace_expand\>\)\|
-      \ \%(\%(\<no_\?\)\?bsdecho\>\)\|\%(\%(no_\?\)\?bsd_echo\>\)\|
-      \ \%(\%(\<no_\?\)\?caseglob\>\)\|\%(\%(no_\?\)\?case_glob\>\)\|
-      \ \%(\%(\<no_\?\)\?casematch\>\)\|\%(\%(no_\?\)\?case_match\>\)\|
-      \ \%(\%(\<no_\?\)\?cbases\>\)\|\%(\%(no_\?\)\?c_bases\>\)\|
-      \ \%(\%(\<no_\?\)\?cdablevars\>\)\|\%(\%(no_\?\)\?cdable_vars\>\)\|\%(\%(no_\?\)\?cd_able_vars\>\)\|
-      \ \%(\%(\<no_\?\)\?cdsilent\>\)\|\%(\%(no_\?\)\?cd_silent\>\)\|\%(\%(no_\?\)\?cd_silent\>\)\|
-      \ \%(\%(\<no_\?\)\?chasedots\>\)\|\%(\%(no_\?\)\?chase_dots\>\)\|
-      \ \%(\%(\<no_\?\)\?chaselinks\>\)\|\%(\%(no_\?\)\?chase_links\>\)\|
-      \ \%(\%(\<no_\?\)\?checkjobs\>\)\|\%(\%(no_\?\)\?check_jobs\>\)\|
-      \ \%(\%(\<no_\?\)\?checkrunningjobs\>\)\|\%(\%(no_\?\)\?check_running_jobs\>\)\|
-      \ \%(\%(\<no_\?\)\?clobber\>\)\|
-      \ \%(\%(\<no_\?\)\?clobberempty\>\)\|\%(\%(no_\?\)\?clobber_empty\>\)\|
-      \ \%(\%(\<no_\?\)\?combiningchars\>\)\|\%(\%(no_\?\)\?combining_chars\>\)\|
-      \ \%(\%(\<no_\?\)\?completealiases\>\)\|\%(\%(no_\?\)\?complete_aliases\>\)\|
-      \ \%(\%(\<no_\?\)\?completeinword\>\)\|\%(\%(no_\?\)\?complete_in_word\>\)\|
-      \ \%(\%(\<no_\?\)\?continueonerror\>\)\|\%(\%(no_\?\)\?continue_on_error\>\)\|
-      \ \%(\%(\<no_\?\)\?correct\>\)\|
-      \ \%(\%(\<no_\?\)\?correctall\>\)\|\%(\%(no_\?\)\?correct_all\>\)\|
-      \ \%(\%(\<no_\?\)\?cprecedences\>\)\|\%(\%(no_\?\)\?c_precedences\>\)\|
-      \ \%(\%(\<no_\?\)\?cshjunkiehistory\>\)\|\%(\%(no_\?\)\?csh_junkie_history\>\)\|
-      \ \%(\%(\<no_\?\)\?cshjunkieloops\>\)\|\%(\%(no_\?\)\?csh_junkie_loops\>\)\|
-      \ \%(\%(\<no_\?\)\?cshjunkiequotes\>\)\|\%(\%(no_\?\)\?csh_junkie_quotes\>\)\|
-      \ \%(\%(\<no_\?\)\?csh_nullcmd\>\)\|\%(\%(no_\?\)\?csh_null_cmd\>\)\|\%(\%(no_\?\)\?cshnullcmd\>\)\|\%(\%(no_\?\)\?csh_null_cmd\>\)\|
-      \ \%(\%(\<no_\?\)\?cshnullglob\>\)\|\%(\%(no_\?\)\?csh_null_glob\>\)\|
-      \ \%(\%(\<no_\?\)\?debugbeforecmd\>\)\|\%(\%(no_\?\)\?debug_before_cmd\>\)\|
-      \ \%(\%(\<no_\?\)\?dotglob\>\)\|\%(\%(no_\?\)\?dot_glob\>\)\|
-      \ \%(\%(\<no_\?\)\?dvorak\>\)\|
-      \ \%(\%(\<no_\?\)\?emacs\>\)\|
-      \ \%(\%(\<no_\?\)\?equals\>\)\|
-      \ \%(\%(\<no_\?\)\?errexit\>\)\|\%(\%(no_\?\)\?err_exit\>\)\|
-      \ \%(\%(\<no_\?\)\?errreturn\>\)\|\%(\%(no_\?\)\?err_return\>\)\|
-      \ \%(\%(\<no_\?\)\?evallineno\>\)\|\%(\%(no_\?\)\?eval_lineno\>\)\|
-      \ \%(\%(\<no_\?\)\?exec\>\)\|
-      \ \%(\%(\<no_\?\)\?extendedglob\>\)\|\%(\%(no_\?\)\?extended_glob\>\)\|
-      \ \%(\%(\<no_\?\)\?extendedhistory\>\)\|\%(\%(no_\?\)\?extended_history\>\)\|
-      \ \%(\%(\<no_\?\)\?flowcontrol\>\)\|\%(\%(no_\?\)\?flow_control\>\)\|
-      \ \%(\%(\<no_\?\)\?forcefloat\>\)\|\%(\%(no_\?\)\?force_float\>\)\|
-      \ \%(\%(\<no_\?\)\?functionargzero\>\)\|\%(\%(no_\?\)\?function_argzero\>\)\|\%(\%(no_\?\)\?function_arg_zero\>\)\|
-      \ \%(\%(\<no_\?\)\?glob\>\)\|
-      \ \%(\%(\<no_\?\)\?globalexport\>\)\|\%(\%(no_\?\)\?global_export\>\)\|
-      \ \%(\%(\<no_\?\)\?globalrcs\>\)\|\%(\%(no_\?\)\?global_rcs\>\)\|
-      \ \%(\%(\<no_\?\)\?globassign\>\)\|\%(\%(no_\?\)\?glob_assign\>\)\|
-      \ \%(\%(\<no_\?\)\?globcomplete\>\)\|\%(\%(no_\?\)\?glob_complete\>\)\|
-      \ \%(\%(\<no_\?\)\?globdots\>\)\|\%(\%(no_\?\)\?glob_dots\>\)\|
-      \ \%(\%(\<no_\?\)\?glob_subst\>\)\|\%(\%(no_\?\)\?globsubst\>\)\|
-      \ \%(\%(\<no_\?\)\?globstarshort\>\)\|\%(\%(no_\?\)\?glob_star_short\>\)\|
-      \ \%(\%(\<no_\?\)\?hashall\>\)\|\%(\%(no_\?\)\?hash_all\>\)\|
-      \ \%(\%(\<no_\?\)\?hashcmds\>\)\|\%(\%(no_\?\)\?hash_cmds\>\)\|
-      \ \%(\%(\<no_\?\)\?hashdirs\>\)\|\%(\%(no_\?\)\?hash_dirs\>\)\|
-      \ \%(\%(\<no_\?\)\?hashexecutablesonly\>\)\|\%(\%(no_\?\)\?hash_executables_only\>\)\|
-      \ \%(\%(\<no_\?\)\?hashlistall\>\)\|\%(\%(no_\?\)\?hash_list_all\>\)\|
-      \ \%(\%(\<no_\?\)\?histallowclobber\>\)\|\%(\%(no_\?\)\?hist_allow_clobber\>\)\|
-      \ \%(\%(\<no_\?\)\?histappend\>\)\|\%(\%(no_\?\)\?hist_append\>\)\|
-      \ \%(\%(\<no_\?\)\?histbeep\>\)\|\%(\%(no_\?\)\?hist_beep\>\)\|
-      \ \%(\%(\<no_\?\)\?hist_expand\>\)\|\%(\%(no_\?\)\?histexpand\>\)\|
-      \ \%(\%(\<no_\?\)\?hist_expire_dups_first\>\)\|\%(\%(no_\?\)\?histexpiredupsfirst\>\)\|
-      \ \%(\%(\<no_\?\)\?histfcntllock\>\)\|\%(\%(no_\?\)\?hist_fcntl_lock\>\)\|
-      \ \%(\%(\<no_\?\)\?histfindnodups\>\)\|\%(\%(no_\?\)\?hist_find_no_dups\>\)\|
-      \ \%(\%(\<no_\?\)\?histignorealldups\>\)\|\%(\%(no_\?\)\?hist_ignore_all_dups\>\)\|
-      \ \%(\%(\<no_\?\)\?histignoredups\>\)\|\%(\%(no_\?\)\?hist_ignore_dups\>\)\|
-      \ \%(\%(\<no_\?\)\?histignorespace\>\)\|\%(\%(no_\?\)\?hist_ignore_space\>\)\|
-      \ \%(\%(\<no_\?\)\?histlexwords\>\)\|\%(\%(no_\?\)\?hist_lex_words\>\)\|
-      \ \%(\%(\<no_\?\)\?histnofunctions\>\)\|\%(\%(no_\?\)\?hist_no_functions\>\)\|
-      \ \%(\%(\<no_\?\)\?histnostore\>\)\|\%(\%(no_\?\)\?hist_no_store\>\)\|
-      \ \%(\%(\<no_\?\)\?histreduceblanks\>\)\|\%(\%(no_\?\)\?hist_reduce_blanks\>\)\|
-      \ \%(\%(\<no_\?\)\?histsavebycopy\>\)\|\%(\%(no_\?\)\?hist_save_by_copy\>\)\|
-      \ \%(\%(\<no_\?\)\?histsavenodups\>\)\|\%(\%(no_\?\)\?hist_save_no_dups\>\)\|
-      \ \%(\%(\<no_\?\)\?histsubstpattern\>\)\|\%(\%(no_\?\)\?hist_subst_pattern\>\)\|
-      \ \%(\%(\<no_\?\)\?histverify\>\)\|\%(\%(no_\?\)\?hist_verify\>\)\|
-      \ \%(\%(\<no_\?\)\?hup\>\)\|
-      \ \%(\%(\<no_\?\)\?ignorebraces\>\)\|\%(\%(no_\?\)\?ignore_braces\>\)\|
-      \ \%(\%(\<no_\?\)\?ignoreclosebraces\>\)\|\%(\%(no_\?\)\?ignore_close_braces\>\)\|
-      \ \%(\%(\<no_\?\)\?ignoreeof\>\)\|\%(\%(no_\?\)\?ignore_eof\>\)\|
-      \ \%(\%(\<no_\?\)\?incappendhistory\>\)\|\%(\%(no_\?\)\?inc_append_history\>\)\|
-      \ \%(\%(\<no_\?\)\?incappendhistorytime\>\)\|\%(\%(no_\?\)\?inc_append_history_time\>\)\|
-      \ \%(\%(\<no_\?\)\?interactive\>\)\|
-      \ \%(\%(\<no_\?\)\?interactivecomments\>\)\|\%(\%(no_\?\)\?interactive_comments\>\)\|
-      \ \%(\%(\<no_\?\)\?ksharrays\>\)\|\%(\%(no_\?\)\?ksh_arrays\>\)\|
-      \ \%(\%(\<no_\?\)\?kshautoload\>\)\|\%(\%(no_\?\)\?ksh_autoload\>\)\|
-      \ \%(\%(\<no_\?\)\?kshglob\>\)\|\%(\%(no_\?\)\?ksh_glob\>\)\|
-      \ \%(\%(\<no_\?\)\?kshoptionprint\>\)\|\%(\%(no_\?\)\?ksh_option_print\>\)\|
-      \ \%(\%(\<no_\?\)\?kshtypeset\>\)\|\%(\%(no_\?\)\?ksh_typeset\>\)\|
-      \ \%(\%(\<no_\?\)\?kshzerosubscript\>\)\|\%(\%(no_\?\)\?ksh_zero_subscript\>\)\|
-      \ \%(\%(\<no_\?\)\?listambiguous\>\)\|\%(\%(no_\?\)\?list_ambiguous\>\)\|
-      \ \%(\%(\<no_\?\)\?listbeep\>\)\|\%(\%(no_\?\)\?list_beep\>\)\|
-      \ \%(\%(\<no_\?\)\?listpacked\>\)\|\%(\%(no_\?\)\?list_packed\>\)\|
-      \ \%(\%(\<no_\?\)\?listrowsfirst\>\)\|\%(\%(no_\?\)\?list_rows_first\>\)\|
-      \ \%(\%(\<no_\?\)\?listtypes\>\)\|\%(\%(no_\?\)\?list_types\>\)\|
-      \ \%(\%(\<no_\?\)\?localloops\>\)\|\%(\%(no_\?\)\?local_loops\>\)\|
-      \ \%(\%(\<no_\?\)\?localoptions\>\)\|\%(\%(no_\?\)\?local_options\>\)\|
-      \ \%(\%(\<no_\?\)\?localpatterns\>\)\|\%(\%(no_\?\)\?local_patterns\>\)\|
-      \ \%(\%(\<no_\?\)\?localtraps\>\)\|\%(\%(no_\?\)\?local_traps\>\)\|
-      \ \%(\%(\<no_\?\)\?log\>\)\|
-      \ \%(\%(\<no_\?\)\?login\>\)\|
-      \ \%(\%(\<no_\?\)\?longlistjobs\>\)\|\%(\%(no_\?\)\?long_list_jobs\>\)\|
-      \ \%(\%(\<no_\?\)\?magicequalsubst\>\)\|\%(\%(no_\?\)\?magic_equal_subst\>\)\|
-      \ \%(\%(\<no_\?\)\?mark_dirs\>\)\|
-      \ \%(\%(\<no_\?\)\?mailwarn\>\)\|\%(\%(no_\?\)\?mail_warn\>\)\|
-      \ \%(\%(\<no_\?\)\?mailwarning\>\)\|\%(\%(no_\?\)\?mail_warning\>\)\|
-      \ \%(\%(\<no_\?\)\?markdirs\>\)\|
-      \ \%(\%(\<no_\?\)\?menucomplete\>\)\|\%(\%(no_\?\)\?menu_complete\>\)\|
-      \ \%(\%(\<no_\?\)\?monitor\>\)\|
-      \ \%(\%(\<no_\?\)\?multibyte\>\)\|\%(\%(no_\?\)\?multi_byte\>\)\|
-      \ \%(\%(\<no_\?\)\?multifuncdef\>\)\|\%(\%(no_\?\)\?multi_func_def\>\)\|
-      \ \%(\%(\<no_\?\)\?multios\>\)\|\%(\%(no_\?\)\?multi_os\>\)\|
-      \ \%(\%(\<no_\?\)\?nomatch\>\)\|\%(\%(no_\?\)\?no_match\>\)\|
-      \ \%(\%(\<no_\?\)\?notify\>\)\|
-      \ \%(\%(\<no_\?\)\?nullglob\>\)\|\%(\%(no_\?\)\?null_glob\>\)\|
-      \ \%(\%(\<no_\?\)\?numericglobsort\>\)\|\%(\%(no_\?\)\?numeric_glob_sort\>\)\|
-      \ \%(\%(\<no_\?\)\?octalzeroes\>\)\|\%(\%(no_\?\)\?octal_zeroes\>\)\|
-      \ \%(\%(\<no_\?\)\?onecmd\>\)\|\%(\%(no_\?\)\?one_cmd\>\)\|
-      \ \%(\%(\<no_\?\)\?overstrike\>\)\|\%(\%(no_\?\)\?over_strike\>\)\|
-      \ \%(\%(\<no_\?\)\?pathdirs\>\)\|\%(\%(no_\?\)\?path_dirs\>\)\|
-      \ \%(\%(\<no_\?\)\?pathscript\>\)\|\%(\%(no_\?\)\?path_script\>\)\|
-      \ \%(\%(\<no_\?\)\?physical\>\)\|
-      \ \%(\%(\<no_\?\)\?pipefail\>\)\|\%(\%(no_\?\)\?pipe_fail\>\)\|
-      \ \%(\%(\<no_\?\)\?posixaliases\>\)\|\%(\%(no_\?\)\?posix_aliases\>\)\|
-      \ \%(\%(\<no_\?\)\?posixargzero\>\)\|\%(\%(no_\?\)\?posix_arg_zero\>\)\|\%(\%(no_\?\)\?posix_argzero\>\)\|
-      \ \%(\%(\<no_\?\)\?posixbuiltins\>\)\|\%(\%(no_\?\)\?posix_builtins\>\)\|
-      \ \%(\%(\<no_\?\)\?posixcd\>\)\|\%(\%(no_\?\)\?posix_cd\>\)\|
-      \ \%(\%(\<no_\?\)\?posixidentifiers\>\)\|\%(\%(no_\?\)\?posix_identifiers\>\)\|
-      \ \%(\%(\<no_\?\)\?posixjobs\>\)\|\%(\%(no_\?\)\?posix_jobs\>\)\|
-      \ \%(\%(\<no_\?\)\?posixstrings\>\)\|\%(\%(no_\?\)\?posix_strings\>\)\|
-      \ \%(\%(\<no_\?\)\?posixtraps\>\)\|\%(\%(no_\?\)\?posix_traps\>\)\|
-      \ \%(\%(\<no_\?\)\?printeightbit\>\)\|\%(\%(no_\?\)\?print_eight_bit\>\)\|
-      \ \%(\%(\<no_\?\)\?printexitvalue\>\)\|\%(\%(no_\?\)\?print_exit_value\>\)\|
-      \ \%(\%(\<no_\?\)\?privileged\>\)\|
-      \ \%(\%(\<no_\?\)\?promptbang\>\)\|\%(\%(no_\?\)\?prompt_bang\>\)\|
-      \ \%(\%(\<no_\?\)\?promptcr\>\)\|\%(\%(no_\?\)\?prompt_cr\>\)\|
-      \ \%(\%(\<no_\?\)\?promptpercent\>\)\|\%(\%(no_\?\)\?prompt_percent\>\)\|
-      \ \%(\%(\<no_\?\)\?promptsp\>\)\|\%(\%(no_\?\)\?prompt_sp\>\)\|
-      \ \%(\%(\<no_\?\)\?promptsubst\>\)\|\%(\%(no_\?\)\?prompt_subst\>\)\|
-      \ \%(\%(\<no_\?\)\?promptvars\>\)\|\%(\%(no_\?\)\?prompt_vars\>\)\|
-      \ \%(\%(\<no_\?\)\?pushdignoredups\>\)\|\%(\%(no_\?\)\?pushd_ignore_dups\>\)\|
-      \ \%(\%(\<no_\?\)\?pushdminus\>\)\|\%(\%(no_\?\)\?pushd_minus\>\)\|
-      \ \%(\%(\<no_\?\)\?pushdsilent\>\)\|\%(\%(no_\?\)\?pushd_silent\>\)\|
-      \ \%(\%(\<no_\?\)\?pushdtohome\>\)\|\%(\%(no_\?\)\?pushd_to_home\>\)\|
-      \ \%(\%(\<no_\?\)\?rcexpandparam\>\)\|\%(\%(no_\?\)\?rc_expandparam\>\)\|\%(\%(no_\?\)\?rc_expand_param\>\)\|
-      \ \%(\%(\<no_\?\)\?rcquotes\>\)\|\%(\%(no_\?\)\?rc_quotes\>\)\|
-      \ \%(\%(\<no_\?\)\?rcs\>\)\|
-      \ \%(\%(\<no_\?\)\?recexact\>\)\|\%(\%(no_\?\)\?rec_exact\>\)\|
-      \ \%(\%(\<no_\?\)\?rematchpcre\>\)\|\%(\%(no_\?\)\?re_match_pcre\>\)\|\%(\%(no_\?\)\?rematch_pcre\>\)\|
-      \ \%(\%(\<no_\?\)\?restricted\>\)\|
-      \ \%(\%(\<no_\?\)\?rmstarsilent\>\)\|\%(\%(no_\?\)\?rm_star_silent\>\)\|
-      \ \%(\%(\<no_\?\)\?rmstarwait\>\)\|\%(\%(no_\?\)\?rm_star_wait\>\)\|
-      \ \%(\%(\<no_\?\)\?sharehistory\>\)\|\%(\%(no_\?\)\?share_history\>\)\|
-      \ \%(\%(\<no_\?\)\?shfileexpansion\>\)\|\%(\%(no_\?\)\?sh_file_expansion\>\)\|
-      \ \%(\%(\<no_\?\)\?shglob\>\)\|\%(\%(no_\?\)\?sh_glob\>\)\|
-      \ \%(\%(\<no_\?\)\?shinstdin\>\)\|\%(\%(no_\?\)\?shin_stdin\>\)\|
-      \ \%(\%(\<no_\?\)\?shnullcmd\>\)\|\%(\%(no_\?\)\?sh_nullcmd\>\)\|
-      \ \%(\%(\<no_\?\)\?shoptionletters\>\)\|\%(\%(no_\?\)\?sh_option_letters\>\)\|
-      \ \%(\%(\<no_\?\)\?shortloops\>\)\|\%(\%(no_\?\)\?short_loops\>\)\|
-      \ \%(\%(\<no_\?\)\?shortrepeat\>\)\|\%(\%(no_\?\)\?short_repeat\>\)\|
-      \ \%(\%(\<no_\?\)\?shwordsplit\>\)\|\%(\%(no_\?\)\?sh_word_split\>\)\|
-      \ \%(\%(\<no_\?\)\?singlecommand\>\)\|\%(\%(no_\?\)\?single_command\>\)\|
-      \ \%(\%(\<no_\?\)\?singlelinezle\>\)\|\%(\%(no_\?\)\?single_line_zle\>\)\|
-      \ \%(\%(\<no_\?\)\?sourcetrace\>\)\|\%(\%(no_\?\)\?source_trace\>\)\|
-      \ \%(\%(\<no_\?\)\?stdin\>\)\|
-      \ \%(\%(\<no_\?\)\?sunkeyboardhack\>\)\|\%(\%(no_\?\)\?sun_keyboard_hack\>\)\|
-      \ \%(\%(\<no_\?\)\?trackall\>\)\|\%(\%(no_\?\)\?track_all\>\)\|
-      \ \%(\%(\<no_\?\)\?transientrprompt\>\)\|\%(\%(no_\?\)\?transient_rprompt\>\)\|
-      \ \%(\%(\<no_\?\)\?trapsasync\>\)\|\%(\%(no_\?\)\?traps_async\>\)\|
-      \ \%(\%(\<no_\?\)\?typesetsilent\>\)\|\%(\%(no_\?\)\?type_set_silent\>\)\|\%(\%(no_\?\)\?typeset_silent\>\)\|
-      \ \%(\%(\<no_\?\)\?unset\>\)\|
-      \ \%(\%(\<no_\?\)\?verbose\>\)\|
-      \ \%(\%(\<no_\?\)\?vi\>\)\|
-      \ \%(\%(\<no_\?\)\?warnnestedvar\>\)\|\%(\%(no_\?\)\?warn_nested_var\>\)\|
-      \ \%(\%(\<no_\?\)\?warncreateglobal\>\)\|\%(\%(no_\?\)\?warn_create_global\>\)\|
-      \ \%(\%(\<no_\?\)\?xtrace\>\)\|
-      \ \%(\%(\<no_\?\)\?zle\>\)/ nextgroup=zshOption,zshComment skipwhite contained
-
+syn match   zshOptStart
+            \ /\v^\s*%(%(un)?setopt|set\s+[-+]o)/
+            \ nextgroup=zshOption skipwhite
+syn match   zshOption nextgroup=zshOption,zshComment skipwhite contained /\v
+            \ <%(no_?)?%(
+            \ auto_?cd|auto_?pushd|cdable_?vars|cd_?silent|chase_?dots|chase_?links|posix_?cd|pushd_?ignore_?dups|pushd_?minus|pushd_?silent|pushd_?to_?home|always_?last_?prompt|always_?to_?end|auto_?list|auto_?menu|auto_?name_?dirs|auto_?param_?keys|auto_?param_?slash|auto_?remove_?slash|bash_?auto_?list|complete_?aliases|complete_?in_?word|glob_?complete|hash_?list_?all|list_?ambiguous|list_?beep|list_?packed|list_?rows_?first|list_?types|menu_?complete|rec_?exact|bad_?pattern|bare_?glob_?qual|brace_?ccl|case_?glob|case_?match|case_?paths|csh_?null_?glob|equals|extended_?glob|force_?float|glob|glob_?assign|glob_?dots|glob_?star_?short|glob_?subst|hist_?subst_?pattern|ignore_?braces|ignore_?close_?braces|ksh_?glob|magic_?equal_?subst|mark_?dirs|multibyte|nomatch|null_?glob|numeric_?glob_?sort|rc_?expand_?param|rematch_?pcre|sh_?glob|unset|warn_?create_?global|warn_?nested_?var|warnnestedvar|append_?history|bang_?hist|extended_?history|hist_?allow_?clobber|hist_?beep|hist_?expire_?dups_?first|hist_?fcntl_?lock|hist_?find_?no_?dups|hist_?ignore_?all_?dups|hist_?ignore_?dups|hist_?ignore_?space|hist_?lex_?words|hist_?no_?functions|hist_?no_?store|hist_?reduce_?blanks|hist_?save_?by_?copy|hist_?save_?no_?dups|hist_?verify|inc_?append_?history|inc_?append_?history_?time|share_?history|all_?export|global_?export|global_?rcs|rcs|aliases|clobber|clobber_?empty|correct|correct_?all|dvorak|flow_?control|ignore_?eof|interactive_?comments|hash_?cmds|hash_?dirs|hash_?executables_?only|mail_?warning|path_?dirs|path_?script|print_?eight_?bit|print_?exit_?value|rc_?quotes|rm_?star_?silent|rm_?star_?wait|short_?loops|short_?repeat|sun_?keyboard_?hack|auto_?continue|auto_?resume|bg_?nice|check_?jobs|check_?running_?jobs|hup|long_?list_?jobs|monitor|notify|posix_?jobs|prompt_?bang|prompt_?cr|prompt_?sp|prompt_?percent|prompt_?subst|transient_?rprompt|alias_?func_?def|c_?bases|c_?precedences|debug_?before_?cmd|err_?exit|err_?return|eval_?lineno|exec|function_?argzero|local_?loops|local_?options|local_?patterns|local_?traps|multi_?func_?def|multios|octal_?zeroes|pipe_?fail|source_?trace|typeset_?silent|typeset_?to_?unset|verbose|xtrace|append_?create|bash_?rematch|bsd_?echo|continue_?on_?error|csh_?junkie_?history|csh_?junkie_?loops|csh_?junkie_?quotes|csh_?nullcmd|ksh_?arrays|ksh_?autoload|ksh_?option_?print|ksh_?typeset|ksh_?zero_?subscript|posix_?aliases|posix_?argzero|posix_?builtins|posix_?identifiers|posix_?strings|posix_?traps|sh_?file_?expansion|sh_?nullcmd|sh_?option_?letters|sh_?word_?split|traps_?async|interactive|login|privileged|restricted|shin_?stdin|single_?command|beep|combining_?chars|emacs|overstrike|single_?line_?zle|vi|zle|brace_?expand|dot_?glob|hash_?all|hist_?append|hist_?expand|log|mail_?warn|one_?cmd|physical|prompt_?vars|stdin|track_?all|no_?match
+            \)>/
 syn case match
 
 syn keyword zshTypes            float integer local typeset declare private readonly
@@ -365,7 +164,7 @@ syn region  zshGlob             start='(#' end=')'
 syn region  zshMathSubst        matchgroup=zshSubstDelim transparent
                                 \ start='\%(\$\?\)[<=>]\@<!((' skip='\\)' end='))'
                                 \ contains=zshParentheses,@zshSubst,zshNumber,
-                                \ @zshDerefs,zshString keepend fold
+                                \ @zshDerefs,zshString fold
 " The ms=s+1 prevents matching zshBrackets several times on opening brackets
 " (see https://github.com/chrisbra/vim-zsh/issues/21#issuecomment-576330348)
 syn region  zshBrackets         contained transparent start='{'ms=s+1 skip='\\}'