diff --git a/runtime/syntax/debcontrol.vim b/runtime/syntax/debcontrol.vim
index 25fc252..8b65ece 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 @@
 
 " 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="^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 0000000..8b2cee6
--- /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 ef0592e..58f07c9 100644
--- a/runtime/syntax/dtd.vim
+++ b/runtime/syntax/dtd.vim
@@ -45,7 +45,7 @@
     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   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 f03ff00..6dad195 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 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 7c9791a..d99f8b4 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 @@
 
 
 " 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 @@
     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 &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 819c419..bab89b9 100644
--- a/runtime/syntax/zsh.vim
+++ b/runtime/syntax/zsh.vim
@@ -41,11 +41,12 @@
     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 @@
                                 \ 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  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='\\}'