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+" Vim syntax file
+" Language: HTML
+" Maintainer: Doug Kearns <dougkearns@gmail.com>
+" Previous Maintainers: Jorge Maldonado Ventura <jorgesumle@freakspot.net>
+" Claudio Fleiner <claudio@fleiner.com>
+" Last Change: 2023 Feb 20
+
+" Please check :help html.vim for some comments and a description of the options
+
+" quit when a syntax file was already loaded
+if !exists("main_syntax")
+ if exists("b:current_syntax")
+ finish
+ endif
+ let main_syntax = 'html'
+endif
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+syntax spell toplevel
+
+syn include @htmlXml syntax/xml.vim
+unlet b:current_syntax
+
+syn case ignore
+
+" mark illegal characters
+syn match htmlError "[<>&]"
+
+
+" tags
+syn region htmlString contained start=+"+ end=+"+ contains=htmlSpecialChar,javaScriptExpression,@htmlPreproc
+syn region htmlString contained start=+'+ end=+'+ contains=htmlSpecialChar,javaScriptExpression,@htmlPreproc
+syn match htmlValue contained "=[\t ]*[^'" \t>][^ \t>]*"hs=s+1 contains=javaScriptExpression,@htmlPreproc
+syn region htmlEndTag start=+</+ end=+>+ contains=htmlTagN,htmlTagError
+syn region htmlTag start=+<[^/]+ end=+>+ fold contains=htmlTagN,htmlString,htmlArg,htmlValue,htmlTagError,htmlEvent,htmlCssDefinition,@htmlPreproc,@htmlArgCluster
+syn match htmlTagN contained +<\s*[-a-zA-Z0-9]\++hs=s+1 contains=htmlTagName,htmlSpecialTagName,@htmlTagNameCluster
+syn match htmlTagN contained +</\s*[-a-zA-Z0-9]\++hs=s+2 contains=htmlTagName,htmlSpecialTagName,@htmlTagNameCluster
+syn match htmlTagError contained "[^>]<"ms=s+1
+
+
+" tag names
+syn keyword htmlTagName contained address applet area a base basefont
+syn keyword htmlTagName contained big blockquote br caption center
+syn keyword htmlTagName contained cite code dd dfn dir div dl dt font
+syn keyword htmlTagName contained form hr html img
+syn keyword htmlTagName contained input isindex kbd li link map menu
+syn keyword htmlTagName contained meta ol option param pre p samp span
+syn keyword htmlTagName contained select small strike sub sup
+syn keyword htmlTagName contained table td textarea th tr tt ul var xmp
+syn match htmlTagName contained "\<\%(b\|i\|u\|h[1-6]\|em\|strong\|head\|body\|title\)\>"
+
+" new html 4.0 tags
+syn keyword htmlTagName contained abbr acronym bdo button col colgroup
+syn keyword htmlTagName contained del fieldset iframe ins label legend
+syn keyword htmlTagName contained object optgroup q s tbody tfoot thead
+
+" new html 5 tags
+syn keyword htmlTagName contained article aside audio bdi canvas data
+syn keyword htmlTagName contained datalist details dialog embed figcaption
+syn keyword htmlTagName contained figure footer header hgroup keygen main
+syn keyword htmlTagName contained mark menuitem meter nav output picture
+syn keyword htmlTagName contained progress rb rp rt rtc ruby section
+syn keyword htmlTagName contained slot source summary template time track
+syn keyword htmlTagName contained video wbr
+
+" svg and math tags
+syn keyword htmlMathTagName contained math
+syn keyword htmlSvgTagName contained svg
+
+syn region htmlMath start="<math>" end="</math>" contains=@htmlXml transparent keepend
+syn region htmlSvg start="<svg>" end="</svg>" contains=@htmlXml transparent keepend
+
+syn cluster xmlTagHook add=htmlMathTagName,htmlSvgTagName
+
+" legal arg names
+syn keyword htmlArg contained action
+syn keyword htmlArg contained align alink alt archive background bgcolor
+syn keyword htmlArg contained border bordercolor cellpadding
+syn keyword htmlArg contained cellspacing checked class clear code codebase color
+syn keyword htmlArg contained cols colspan content coords enctype face
+syn keyword htmlArg contained gutter height hspace id
+syn keyword htmlArg contained link lowsrc marginheight
+syn keyword htmlArg contained marginwidth maxlength method name prompt
+syn keyword htmlArg contained rel rev rows rowspan scrolling selected shape
+syn keyword htmlArg contained size src start target text type url
+syn keyword htmlArg contained usemap ismap valign value vlink vspace width wrap
+syn match htmlArg contained "\<\%(http-equiv\|href\|title\)="me=e-1
+
+" aria attributes
+exe 'syn match htmlArg contained "\<aria-\%(' . join([
+ \ 'activedescendant', 'atomic', 'autocomplete', 'busy', 'checked', 'colcount',
+ \ 'colindex', 'colspan', 'controls', 'current', 'describedby', 'details',
+ \ 'disabled', 'dropeffect', 'errormessage', 'expanded', 'flowto', 'grabbed',
+ \ 'haspopup', 'hidden', 'invalid', 'keyshortcuts', 'label', 'labelledby', 'level',
+ \ 'live', 'modal', 'multiline', 'multiselectable', 'orientation', 'owns',
+ \ 'placeholder', 'posinset', 'pressed', 'readonly', 'relevant', 'required',
+ \ 'roledescription', 'rowcount', 'rowindex', 'rowspan', 'selected', 'setsize',
+ \ 'sort', 'valuemax', 'valuemin', 'valuenow', 'valuetext'
+ \ ], '\|') . '\)\>"'
+syn keyword htmlArg contained role
+
+" Netscape extensions
+syn keyword htmlTagName contained frame noframes frameset nobr blink
+syn keyword htmlTagName contained layer ilayer nolayer spacer
+syn keyword htmlArg contained frameborder noresize pagex pagey above below
+syn keyword htmlArg contained left top visibility clip id noshade
+syn match htmlArg contained "\<z-index\>"
+
+" Microsoft extensions
+syn keyword htmlTagName contained marquee
+
+" html 4.0 arg names
+syn match htmlArg contained "\<\%(accept-charset\|label\)\>"
+syn keyword htmlArg contained abbr accept accesskey axis char charoff charset
+syn keyword htmlArg contained cite classid codetype compact data datetime
+syn keyword htmlArg contained declare defer dir disabled for frame
+syn keyword htmlArg contained headers hreflang lang language longdesc
+syn keyword htmlArg contained multiple nohref nowrap object profile readonly
+syn keyword htmlArg contained rules scheme scope span standby style
+syn keyword htmlArg contained summary tabindex valuetype version
+
+" html 5 arg names
+syn keyword htmlArg contained allow autocapitalize as blocking decoding
+syn keyword htmlArg contained enterkeyhint imagesizes imagesrcset inert
+syn keyword htmlArg contained integrity is itemid itemprop itemref itemscope
+syn keyword htmlArg contained itemtype loading nomodule ping playsinline
+syn keyword htmlArg contained referrerpolicy slot allowfullscreen async
+syn keyword htmlArg contained autocomplete autofocus autoplay challenge
+syn keyword htmlArg contained contenteditable contextmenu controls crossorigin
+syn keyword htmlArg contained default dirname download draggable dropzone form
+syn keyword htmlArg contained formaction formenctype formmethod formnovalidate
+syn keyword htmlArg contained formtarget hidden high icon inputmode keytype
+syn keyword htmlArg contained kind list loop low max min minlength muted nonce
+syn keyword htmlArg contained novalidate open optimum pattern placeholder
+syn keyword htmlArg contained poster preload radiogroup required reversed
+syn keyword htmlArg contained sandbox spellcheck sizes srcset srcdoc srclang
+syn keyword htmlArg contained step title translate typemustmatch
+syn match htmlArg contained "\<data-\h\%(\w\|[-.]\)*\%(\_s*=\)\@="
+
+" special characters
+syn match htmlSpecialChar "&#\=[0-9A-Za-z]\{1,8};"
+
+" Comments (the real ones or the old netscape ones)
+if exists("html_wrong_comments")
+ syn region htmlComment start=+<!--+ end=+--\s*>+ contains=@Spell
+else
+ " The HTML 5.2 syntax 8.2.4.41: bogus comment is parser error; browser skips until next &gt
+ syn region htmlComment start=+<!+ end=+>+ contains=htmlCommentError keepend
+ " Idem 8.2.4.42,51: Comment starts with <!-- and ends with -->
+ " Idem 8.2.4.43,44: Except <!--> and <!---> are parser errors
+ " Idem 8.2.4.52: dash-dash-bang (--!>) is error ignored by parser, also closes comment
+ syn region htmlComment matchgroup=htmlComment start=+<!--\%(-\?>\)\@!+ end=+--!\?>+ contains=htmlCommentNested,@htmlPreProc,@Spell keepend
+ " Idem 8.2.4.49: nested comment is parser error, except <!--> is all right
+ syn match htmlCommentNested contained "<!-->\@!"
+ syn match htmlCommentError contained "[^><!]"
+endif
+syn region htmlComment start=+<!DOCTYPE+ end=+>+ keepend
+
+" server-parsed commands
+syn region htmlPreProc start=+<!--#+ end=+-->+ contains=htmlPreStmt,htmlPreError,htmlPreAttr
+syn match htmlPreStmt contained "<!--#\%(config\|echo\|exec\|fsize\|flastmod\|include\|printenv\|set\|if\|elif\|else\|endif\|geoguide\)\>"
+syn match htmlPreError contained "<!--#\S*"ms=s+4
+syn match htmlPreAttr contained "\w\+=[^"]\S\+" contains=htmlPreProcAttrError,htmlPreProcAttrName
+syn region htmlPreAttr contained start=+\w\+="+ skip=+\\\\\|\\"+ end=+"+ contains=htmlPreProcAttrName keepend
+syn match htmlPreProcAttrError contained "\w\+="he=e-1
+syn match htmlPreProcAttrName contained "\%(expr\|errmsg\|sizefmt\|timefmt\|var\|cgi\|cmd\|file\|virtual\|value\)="he=e-1
+
+if !exists("html_no_rendering")
+ " rendering
+ syn cluster htmlTop contains=@Spell,htmlTag,htmlEndTag,htmlSpecialChar,htmlPreProc,htmlComment,htmlLink,javaScript,@htmlPreproc
+
+ syn region htmlStrike start="<del\>" end="</del\_s*>"me=s-1 contains=@htmlTop
+ syn region htmlStrike start="<s\>" end="</s\_s*>"me=s-1 contains=@htmlTop
+ syn region htmlStrike start="<strike\>" end="</strike\_s*>"me=s-1 contains=@htmlTop
+
+ syn region htmlBold start="<b\>" end="</b\_s*>"me=s-1 contains=@htmlTop,htmlBoldUnderline,htmlBoldItalic
+ syn region htmlBold start="<strong\>" end="</strong\_s*>"me=s-1 contains=@htmlTop,htmlBoldUnderline,htmlBoldItalic
+ syn region htmlBoldUnderline contained start="<u\>" end="</u\_s*>"me=s-1 contains=@htmlTop,htmlBoldUnderlineItalic
+ syn region htmlBoldItalic contained start="<i\>" end="</i\_s*>"me=s-1 contains=@htmlTop,htmlBoldItalicUnderline
+ syn region htmlBoldItalic contained start="<em\>" end="</em\_s*>"me=s-1 contains=@htmlTop,htmlBoldItalicUnderline
+ syn region htmlBoldUnderlineItalic contained start="<i\>" end="</i\_s*>"me=s-1 contains=@htmlTop
+ syn region htmlBoldUnderlineItalic contained start="<em\>" end="</em\_s*>"me=s-1 contains=@htmlTop
+ syn region htmlBoldItalicUnderline contained start="<u\>" end="</u\_s*>"me=s-1 contains=@htmlTop,htmlBoldUnderlineItalic
+
+ syn region htmlUnderline start="<u\>" end="</u\_s*>"me=s-1 contains=@htmlTop,htmlUnderlineBold,htmlUnderlineItalic
+ syn region htmlUnderlineBold contained start="<b\>" end="</b\_s*>"me=s-1 contains=@htmlTop,htmlUnderlineBoldItalic
+ syn region htmlUnderlineBold contained start="<strong\>" end="</strong\_s*>"me=s-1 contains=@htmlTop,htmlUnderlineBoldItalic
+ syn region htmlUnderlineItalic contained start="<i\>" end="</i\_s*>"me=s-1 contains=@htmlTop,htmlUnderlineItalicBold
+ syn region htmlUnderlineItalic contained start="<em\>" end="</em\_s*>"me=s-1 contains=@htmlTop,htmlUnderlineItalicBold
+ syn region htmlUnderlineItalicBold contained start="<b\>" end="</b\_s*>"me=s-1 contains=@htmlTop
+ syn region htmlUnderlineItalicBold contained start="<strong\>" end="</strong\_s*>"me=s-1 contains=@htmlTop
+ syn region htmlUnderlineBoldItalic contained start="<i\>" end="</i\_s*>"me=s-1 contains=@htmlTop
+ syn region htmlUnderlineBoldItalic contained start="<em\>" end="</em\_s*>"me=s-1 contains=@htmlTop
+
+ syn region htmlItalic start="<i\>" end="</i\_s*>"me=s-1 contains=@htmlTop,htmlItalicBold,htmlItalicUnderline
+ syn region htmlItalic start="<em\>" end="</em\_s*>"me=s-1 contains=@htmlTop
+ syn region htmlItalicBold contained start="<b\>" end="</b\_s*>"me=s-1 contains=@htmlTop,htmlItalicBoldUnderline
+ syn region htmlItalicBold contained start="<strong\>" end="</strong\_s*>"me=s-1 contains=@htmlTop,htmlItalicBoldUnderline
+ syn region htmlItalicBoldUnderline contained start="<u\>" end="</u\_s*>"me=s-1 contains=@htmlTop
+ syn region htmlItalicUnderline contained start="<u\>" end="</u\_s*>"me=s-1 contains=@htmlTop,htmlItalicUnderlineBold
+ syn region htmlItalicUnderlineBold contained start="<b\>" end="</b\_s*>"me=s-1 contains=@htmlTop
+ syn region htmlItalicUnderlineBold contained start="<strong\>" end="</strong\_s*>"me=s-1 contains=@htmlTop
+
+ syn match htmlLeadingSpace "^\s\+" contained
+ syn region htmlLink start="<a\>\_[^>]*\<href\>" end="</a\_s*>"me=s-1 contains=@Spell,htmlTag,htmlEndTag,htmlSpecialChar,htmlPreProc,htmlComment,htmlLeadingSpace,javaScript,@htmlPreproc
+ syn region htmlH1 start="<h1\>" end="</h1\_s*>"me=s-1 contains=@htmlTop
+ syn region htmlH2 start="<h2\>" end="</h2\_s*>"me=s-1 contains=@htmlTop
+ syn region htmlH3 start="<h3\>" end="</h3\_s*>"me=s-1 contains=@htmlTop
+ syn region htmlH4 start="<h4\>" end="</h4\_s*>"me=s-1 contains=@htmlTop
+ syn region htmlH5 start="<h5\>" end="</h5\_s*>"me=s-1 contains=@htmlTop
+ syn region htmlH6 start="<h6\>" end="</h6\_s*>"me=s-1 contains=@htmlTop
+ syn region htmlHead start="<head\>" end="</head\_s*>"me=s-1 end="<body\>"me=s-1 end="<h[1-6]\>"me=s-1 contains=htmlTag,htmlEndTag,htmlSpecialChar,htmlPreProc,htmlComment,htmlLink,htmlTitle,javaScript,cssStyle,@htmlPreproc
+ syn region htmlTitle start="<title\>" end="</title\_s*>"me=s-1 contains=htmlTag,htmlEndTag,htmlSpecialChar,htmlPreProc,htmlComment,javaScript,@htmlPreproc
+endif
+
+syn keyword htmlTagName contained noscript
+syn keyword htmlSpecialTagName contained script style
+if main_syntax != 'java' || exists("java_javascript")
+ " JAVA SCRIPT
+ syn include @htmlJavaScript syntax/javascript.vim
+ unlet b:current_syntax
+ syn region javaScript start=+<script\>\_[^>]*>+ keepend end=+</script\_[^>]*>+me=s-1 contains=@htmlJavaScript,htmlCssStyleComment,htmlScriptTag,@htmlPreproc
+ syn region htmlScriptTag contained start=+<script+ end=+>+ fold contains=htmlTagN,htmlString,htmlArg,htmlValue,htmlTagError,htmlEvent
+ hi def link htmlScriptTag htmlTag
+
+ " html events (i.e. arguments that include javascript commands)
+ if exists("html_extended_events")
+ syn region htmlEvent contained start=+\<on\a\+\s*=[\t ]*'+ end=+'+ contains=htmlEventSQ
+ syn region htmlEvent contained start=+\<on\a\+\s*=[\t ]*"+ end=+"+ contains=htmlEventDQ
+ else
+ syn region htmlEvent contained start=+\<on\a\+\s*=[\t ]*'+ end=+'+ keepend contains=htmlEventSQ
+ syn region htmlEvent contained start=+\<on\a\+\s*=[\t ]*"+ end=+"+ keepend contains=htmlEventDQ
+ endif
+ syn region htmlEventSQ contained start=+'+ms=s+1 end=+'+me=s-1 contains=@htmlJavaScript
+ syn region htmlEventDQ contained start=+"+ms=s+1 end=+"+me=s-1 contains=@htmlJavaScript
+ hi def link htmlEventSQ htmlEvent
+ hi def link htmlEventDQ htmlEvent
+
+ " a javascript expression is used as an arg value
+ syn region javaScriptExpression contained start=+&{+ keepend end=+};+ contains=@htmlJavaScript,@htmlPreproc
+endif
+
+if main_syntax != 'java' || exists("java_vb")
+ " VB SCRIPT
+ syn include @htmlVbScript syntax/vb.vim
+ unlet b:current_syntax
+ syn region javaScript start=+<script \_[^>]*language *=\_[^>]*vbscript\_[^>]*>+ keepend end=+</script\_[^>]*>+me=s-1 contains=@htmlVbScript,htmlCssStyleComment,htmlScriptTag,@htmlPreproc
+endif
+
+syn cluster htmlJavaScript add=@htmlPreproc
+
+if main_syntax != 'java' || exists("java_css")
+ " embedded style sheets
+ syn keyword htmlArg contained media
+ syn include @htmlCss syntax/css.vim
+ unlet b:current_syntax
+ syn region cssStyle start=+<style+ keepend end=+</style>+ contains=@htmlCss,htmlTag,htmlEndTag,htmlCssStyleComment,@htmlPreproc
+ syn match htmlCssStyleComment contained "\%(<!--\|-->\)"
+ syn region htmlCssDefinition matchgroup=htmlArg start='style="' keepend matchgroup=htmlString end='"' contains=css.*Attr,css.*Prop,cssComment,cssLength,cssColor,cssURL,cssImportant,cssError,cssString,@htmlPreproc
+ hi def link htmlStyleArg htmlString
+endif
+
+if main_syntax == "html"
+ " synchronizing (does not always work if a comment includes legal
+ " html tags, but doing it right would mean to always start
+ " at the first line, which is too slow)
+ syn sync match htmlHighlight groupthere NONE "<[/a-zA-Z]"
+ syn sync match htmlHighlight groupthere javaScript "<script"
+ syn sync match htmlHighlightSkip "^.*['\"].*$"
+ syn sync minlines=10
+endif
+
+" Folding
+" Originally by Ingo Karkat and Marcus Zanona
+if get(g:, "html_syntax_folding", 0)
+ syn region htmlFold start="<\z(\<\%(area\|base\|br\|col\|command\|embed\|hr\|img\|input\|keygen\|link\|meta\|param\|source\|track\|wbr\>\)\@![a-z-]\+\>\)\%(\_s*\_[^/]\?>\|\_s\_[^>]*\_[^>/]>\)" end="</\z1\_s*>" fold transparent keepend extend containedin=htmlHead,htmlH\d
+ " fold comments (the real ones and the old Netscape ones)
+ if exists("html_wrong_comments")
+ syn region htmlComment start=+<!--+ end=+--\s*>\%(\n\s*<!--\)\@!+ contains=@Spell fold
+ endif
+endif
+
+" The default highlighting.
+hi def link htmlTag Function
+hi def link htmlEndTag Identifier
+hi def link htmlArg Type
+hi def link htmlTagName htmlStatement
+hi def link htmlSpecialTagName Exception
+hi def link htmlMathTagName htmlTagName
+hi def link htmlSvgTagName htmlTagName
+hi def link htmlValue String
+hi def link htmlSpecialChar Special
+
+if !exists("html_no_rendering")
+ hi def link htmlH1 Title
+ hi def link htmlH2 htmlH1
+ hi def link htmlH3 htmlH2
+ hi def link htmlH4 htmlH3
+ hi def link htmlH5 htmlH4
+ hi def link htmlH6 htmlH5
+ hi def link htmlHead PreProc
+ hi def link htmlTitle Title
+ hi def link htmlBoldItalicUnderline htmlBoldUnderlineItalic
+ hi def link htmlUnderlineBold htmlBoldUnderline
+ hi def link htmlUnderlineItalicBold htmlBoldUnderlineItalic
+ hi def link htmlUnderlineBoldItalic htmlBoldUnderlineItalic
+ hi def link htmlItalicUnderline htmlUnderlineItalic
+ hi def link htmlItalicBold htmlBoldItalic
+ hi def link htmlItalicBoldUnderline htmlBoldUnderlineItalic
+ hi def link htmlItalicUnderlineBold htmlBoldUnderlineItalic
+ hi def link htmlLink Underlined
+ hi def link htmlLeadingSpace None
+ if !exists("html_my_rendering")
+ hi def htmlBold term=bold cterm=bold gui=bold
+ hi def htmlBoldUnderline term=bold,underline cterm=bold,underline gui=bold,underline
+ hi def htmlBoldItalic term=bold,italic cterm=bold,italic gui=bold,italic
+ hi def htmlBoldUnderlineItalic term=bold,italic,underline cterm=bold,italic,underline gui=bold,italic,underline
+ hi def htmlUnderline term=underline cterm=underline gui=underline
+ hi def htmlUnderlineItalic term=italic,underline cterm=italic,underline gui=italic,underline
+ hi def htmlItalic term=italic cterm=italic gui=italic
+ if v:version > 800 || v:version == 800 && has("patch1038")
+ hi def htmlStrike term=strikethrough cterm=strikethrough gui=strikethrough
+ else
+ hi def htmlStrike term=underline cterm=underline gui=underline
+ endif
+ endif
+endif
+
+hi def link htmlPreStmt PreProc
+hi def link htmlPreError Error
+hi def link htmlPreProc PreProc
+hi def link htmlPreAttr String
+hi def link htmlPreProcAttrName PreProc
+hi def link htmlPreProcAttrError Error
+hi def link htmlString String
+hi def link htmlStatement Statement
+hi def link htmlComment Comment
+hi def link htmlCommentNested htmlError
+hi def link htmlCommentError htmlError
+hi def link htmlTagError htmlError
+hi def link htmlEvent javaScript
+hi def link htmlError Error
+
+hi def link javaScript Special
+hi def link javaScriptExpression javaScript
+hi def link htmlCssStyleComment Comment
+hi def link htmlCssDefinition Special
+
+let b:current_syntax = "html"
+
+if main_syntax == 'html'
+ unlet main_syntax
+endif
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+" vim: ts=8