mirror of
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1eba3a75da
Problem: filetype: marko files are not recognized
Solution: Detect *.marko files as marko filetype, include a syntax
plugin and add syntax tests (Brian Carbone)
References:
https://markojs.com
https://github.com/marko-js/tree-sitter
https://github.com/marko-js/language-server
https://v5.markojs.com/docs/editor-plugins/
closes: vim/vim#20863
95da62a910
Co-authored-by: Brian Carbone <brian@briancarbone.com>
383 lines
17 KiB
VimL
383 lines
17 KiB
VimL
" Vim syntax file
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" Language: Marko
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" Maintainer: Brian Carbone <cordial.coffee1365@fastmail.com>
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" URL: https://markojs.com
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" Filenames: *.marko
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" Last Change: 2026 Jul 28
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" Marko interleaves HTML-like tags, TypeScript expressions and CSS style
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" blocks, in two modes: an HTML-like mode and an indentation-based concise
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" mode. Mode is tracked structurally: the body of an html-mode element is
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" an html-mode region (bare text stays plain there), while everywhere else
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" is concise context, where a line-start name is a tag:
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" <p>if you want, stop by</p> body text, plain
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" my-tag size="large" concise tag, highlighted
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"
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" Same-position priority goes to the item defined last, so definition order
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" is deliberate throughout; the load-bearing orderings are called out in
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" the comments below.
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if !exists("main_syntax")
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if exists("b:current_syntax")
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finish
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endif
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let main_syntax = "marko"
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endif
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let s:cpo_save = &cpo
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set cpo&vim
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syn spell toplevel
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" TypeScript for expressions and statement tags, CSS for style blocks.
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" Both includes mutate shared state ("syn case", "syn iskeyword", sync
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" rules, 'iskeyword'), all of it restored or restated afterwards.
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let s:iskeyword_save = &l:iskeyword
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syn include @markoTS syntax/typescript.vim
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unlet! b:current_syntax
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syn include @markoCSS syntax/css.vim
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unlet! b:current_syntax
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let &l:iskeyword = s:iskeyword_save
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unlet s:iskeyword_save
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syn case match
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" typescript.vim (yats) attaches type arguments via nextgroup after every
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" identifier, so an unspaced "<" in any expression opens a region hunting a
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" ">" that may never come:
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" <div count=i<3> would swallow the rest of the file
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" Its block comment carries "extend", which would let one stray "/*" escape
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" every containing region below. Both are redefined bounded; the cost is
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" generic-call coloring inside script blocks.
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silent! syn clear typescriptTypeArguments
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silent! syn clear typescriptComment
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syn region typescriptComment contained start="/\*" end="\*/" contains=@Spell,typescriptCommentTodo
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" Everything an embedded TypeScript expression may contain. The bracket
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" pairs keep an outer region open across nested delimiters and shield the
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" spaces inside groupings from attribute-value termination:
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" a={ b: { c: 1 } } d=2
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" Without the matchgroup each region would re-match at its own start
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" character through its own contains and consume the closing delimiter.
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" markoTSDelim is deliberately unlinked: the delimiters render as plain
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" text, like brackets in a TypeScript buffer.
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syn cluster markoExpr contains=@markoTS,markoTSBraces,markoTSParens,markoTSBrackets
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syn region markoTSBraces contained transparent matchgroup=markoTSDelim
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\ start="{" end="}"
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\ contains=@markoExpr extend
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syn region markoTSParens contained transparent matchgroup=markoTSDelim
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\ start="(" end=")"
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\ contains=@markoExpr extend
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syn region markoTSBrackets contained transparent matchgroup=markoTSDelim
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\ start="\[" end="]"
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\ contains=@markoExpr extend
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" Comments are recognized where the parser allows text to start; anchoring
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" to the line start keeps "//" inside URLs as text:
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" <!-- note --> // note /* note */ https://example.com
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syn region markoComment start="<!--" end="-->" contains=@Spell fold
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syn match markoComment "^\s*//.*$" contains=@Spell display
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syn region markoComment start="^\s*/\*" end="\*/" contains=@Spell fold
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syn region markoTagComment contained start="/\*" end="\*/"
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syn match markoTagComment contained "//.*"
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syn region markoCData start="<!\[CDATA\[" end="]]>"
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" Declarations; "<?...>" may close with ">" or "?>":
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" <!doctype html> <?xml version="1.0"?>
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syn region markoDeclaration start="<!\%(--\|\[CDATA\)\@!" end=">"
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syn region markoDeclaration start="<?" end="?\=>"
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" Placeholders interpolate into text, and backslashes escape pairwise:
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" ${user.name} $!{rawHtml} \${literal} \\${live}
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" The containedin lets them apply inside style rules and property values.
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" markoEscape must never take "display": it exists to suppress
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" markoPlaceholder, so skipping it during state computation would change
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" what matches.
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syn match markoEscape "\%(\\\\\)\+\ze\$!\={"
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syn match markoEscape "\%(\\\\\)*\\\$!\={"
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syn region markoPlaceholder matchgroup=markoPlaceholderDelim
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\ start="\$!\={" end="}"
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\ contains=@markoExpr containedin=cssDefinition,cssAttrRegion extend
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syn match markoEntity "&\%(#\d\+\|#[xX]\x\+\|\w\+\);" display
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" Scriptlets; the whitespace after "$" is required, so a line-start
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" placeholder is not a scriptlet:
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" $ count += 1
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" $ { let total = 0; }
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" ${count} placeholder
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syn region markoScriptlet matchgroup=markoScriptletDelim
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\ start="^\s*\$\s\+{\@!" end="$"
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\ contains=@markoExpr keepend
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syn region markoScriptlet matchgroup=markoScriptletDelim
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\ start="^\s*\$\s\+{" end="};\="
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\ contains=@markoExpr
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" "--" marks one line of text in concise mode:
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" p -- some text
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syn match markoBlockDelim "\%(^\|\s\)\@1<=--\+\ze\%(\s\|$\)" display
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" Attributes. An unquoted value ends at whitespace (quoted strings and
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" bracket pairs shield theirs), does not start at the "=" of an arrow, and
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" continues across " => " so arrow values stay whole:
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" size="large" total:=sum ...spread onClick=(e) => handle(e)
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" The attr name must not match the "${" of a dynamic tag name.
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syn match markoAttrName contained "\%(\$!\={\)\@![[:alnum:]_$@][-[:alnum:]_$.]*" display
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syn match markoSpread contained "\.\.\." display
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syn region markoAttrValue contained matchgroup=markoOperator
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\ start=":\==>\@!\s*" end="\ze\%(\%(=>\)\@2<!\s\%(\s*=>\)\@!\|=\@1<!>\|/>\)" end="$"
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\ contains=@markoExpr
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syn region markoString contained start=+\z(["']\)+ skip=+\\\z1+ end=+\z1+ contains=@Spell
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" Shorthands after the tag name:
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" <div.card#main>
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syn match markoShorthandId contained "#[-[:alnum:]_$]\+" display
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syn match markoShorthandClass contained "\.[-[:alnum:]_$]\+" display
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" Tag variables, arguments, |parameters|, <type args> and attribute method
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" shorthand bodies:
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" <let/count=1/> <for|item, i| of=list> <while(cond)>
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" <generic-list<string>> <button onClick(e) { handle(e) }>
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" Params and type args must hug the preceding name (the "\k" follows the
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" "syn iskeyword" set below, which is what admits hyphenated names) so a
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" "|" or "<" inside an expression cannot open them, and both are oneline
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" so an unmatched delimiter cannot run past its line.
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syn match markoTagVar contained "/\%([[:alnum:]_$]\+\|\ze\s*[{[]\)" display
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syn region markoArgs contained matchgroup=markoTagDelim
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\ start="(" end=")"
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\ contains=@markoExpr extend
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syn region markoParams contained oneline matchgroup=markoTagDelim
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\ start="\%(\k\|[$)\]}>]\)\@4<=|" skip="||" end="|"
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\ contains=@markoExpr
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syn region markoTypeArgs contained oneline matchgroup=markoTagDelim
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\ start="\%(\k\|\$\)\@4<=<" end=">"
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\ contains=@markoExpr,markoTypeArgs
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syn region markoMethodBody contained matchgroup=markoTagDelim
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\ start="{" end="}"
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\ contains=@markoExpr extend
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syn cluster markoTagStuff contains=markoTagVar,markoShorthandId,markoShorthandClass,
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\markoAttrName,markoAttrValue,markoString,markoArgs,markoParams,markoTypeArgs,
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\markoMethodBody,markoSpread,markoTagComment,markoPlaceholder
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syn cluster markoTagNames contains=markoTagName,markoAttrTagName,markoTagNameConditional,
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\markoTagNameRepeat,markoTagNameException,markoTagNameStatement,markoTagNameBuiltin
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" Concise attribute groups may span lines:
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" define [
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" size = "large"
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" ]
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syn region markoAttrGroup contained matchgroup=markoTagDelim
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\ start="\[" end="]"
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\ contains=@markoTagStuff extend
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" One name list per highlight class, shared by the concise regions here
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" and the tag-name matches below.
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let s:tag_name_classes = [
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\ ["Conditional", 'if\|else-if\|else'],
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\ ["Repeat", 'for\|while'],
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\ ["Exception", 'try'],
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\ ["Statement", 'await\|return'],
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\ ["Builtin", 'let\|const\|effect\|lifecycle\|id\|log\|debug\|context\|define\|macro\|html-comment'],
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\ ]
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" Concise mode: a line-start name is a tag. The generic rule is defined
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" first, so the builtin classes, "@" attribute tags and the statement tags
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" below all win over it for their names. keepend bounds each region to
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" its line; brackets, method bodies and attr groups carry extend, which
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" deliberately punches through for multiline constructs.
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let s:concise_tag_end = ' matchgroup=markoTagDelim end=";" end="$" end="\s\zs\ze--\%(\s\|$\)"'
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\ . ' contains=@markoTagStuff,markoAttrGroup keepend'
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exe 'syn region markoConciseTag matchgroup=markoTagName'
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\ . ' start="^\s*\zs[[:alnum:]][-[:alnum:]_$:]*\%([-[:alnum:]_$:]\)\@!"'
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\ . s:concise_tag_end
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for [s:class_suffix, s:name_pattern] in s:tag_name_classes
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exe 'syn region markoConciseTag matchgroup=markoTagName' . s:class_suffix
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\ . ' start="^\s*\zs\%(' . s:name_pattern . '\)\%([-[:alnum:]_$:]\)\@!"'
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\ . s:concise_tag_end
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endfor
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exe 'syn region markoConciseTag matchgroup=markoAttrTagName'
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\ . ' start="^\s*\zs@[-[:alnum:]_$:]\+"'
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\ . s:concise_tag_end
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unlet s:concise_tag_end
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" Statement tags contain one TypeScript statement. static/server/client
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" are Marko keywords; import/export/class take their color from the
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" TypeScript include. A statement may span lines through an open brace or
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" class body, so an unterminated "/*" runs on, as it would in a TypeScript
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" buffer. Defined after the concise regions so these names win there.
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syn region markoStatement matchgroup=markoStatementKeyword
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\ start="^\s*\zs\%(static\|server\|client\)\>"
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\ end="$" contains=@markoExpr
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syn region markoStatement
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\ start="^\s*\ze\%(import\|export\|class\)\>"
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\ end="$" contains=@markoExpr
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" A tag name may be empty (<.card>), dynamic (<${tag}>) or an attribute
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" tag (<@body>); the ">" of an arrow does not end the tag.
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syn region markoTag matchgroup=markoTagDelim
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\ start="<\ze[^/ \t!?<>=]" end="/>" end="=\@1<!>"
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\ contains=@markoTagStuff,@markoTagNames
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syn region markoCloseTag matchgroup=markoTagDelim
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\ start="</" end=">"
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\ contains=@markoTagNames,markoPlaceholder
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" The name of a close tag whose "</" was consumed by an element body's end
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" match below, plus its trailing ">".
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syn match markoCloseName "\%(</\)\@2<=@\=\%(\k\|[$:]\)\+\s*" nextgroup=markoCloseGt display
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syn match markoCloseGt contained ">" display
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" Everything html-mode content may contain. Statement tags and concise
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" tags are absent: bare text inside an element body is prose.
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syn cluster markoHtmlContent contains=markoTag,markoHtmlBody,markoDynamicBody,
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\markoStyle,markoScript,markoTextareaTag,markoHtmlCommentTag,
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\markoComment,markoCData,markoDeclaration,markoEscape,markoPlaceholder,
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\markoEntity,markoScriptlet,markoCloseName
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" Whether "<name" begins an element body turns on how its open tag ends:
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" an atomic (no-backtrack) run over quoted strings, (args), <type args>,
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" "=>" and spaced comparisons finds the structural ">", and a "/>" there
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" means self-closing, so no body:
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" <my-tag onClick=() => go(a > b) />
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let s:tag_end_ahead = '\%(\%(\%(<\%([^<>]\|<\%([^<>]\|<[^<>]\{-,40}>\)\{-,60}>\)\{-,100}>'
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\ . '\|"[^"]\{-,200}"\|' . "'[^']\\{-,200}'"
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\ . '\|([^()]\{-,200})\|=>\|[ \t]>[ \t]\@=\|\_[^>]\)\{0,400}\)\@>/\@1<!=\@1<!>\)\@='
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" Element bodies: html mode from a non-void, non-self-closing open tag to
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" its matching close. \z1 pairs the names, and the end consumes only
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" "</" so an inner same-name close cannot end the outer bodies
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" (markoCloseName colors the rest):
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" <div><div>nested</div>still the outer body</div>
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" No body opens for html voids, parsed-text tags, bodiless core tags
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" (<let/x=1> takes no close tag) or "@" attribute tags (those auto-close
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" at their parent, which no name pairing can track). Defined after
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" markoTag so open tags still overlay inside bodies, and after the
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" concise regions so html mode wins at a line-start "<". A mismatched or
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" missing close leaves its body open for the rest of the buffer, as an
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" unclosed tag does in html.vim.
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exe 'syn region markoHtmlBody'
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\ . ' start=+<\ze\%(\%(area\|base\|br\|col\|embed\|hr\|img\|input\|link\|meta\|param'
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\ . '\|source\|track\|wbr\|style\|script\|textarea\|html-comment\|html-style'
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\ . '\|html-script\|let\|const\|id\|log\|debug\|effect\|lifecycle\|return\)'
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\ . '\%(\k\|[$:]\)\@!\)\@!'
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\ . '\z(\%(\k\|[$:]\)\+\)\%(\_s\|[/>|(<.#=]\)\@=' . s:tag_end_ahead . '+'
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\ . ' matchgroup=markoTagDelim'
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\ . ' end="</\ze\z1\%(\k\|[$:]\)\@!\s*>" end="</\ze\s*>"'
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\ . ' contains=@markoHtmlContent'
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exe 'syn region markoDynamicBody'
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\ . ' start=+<\ze\%(\$!\={\)\@=' . s:tag_end_ahead . '+'
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\ . ' matchgroup=markoTagDelim'
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\ . ' end="</\ze\%(\$!\={\_[^}]*}\)\=\s*>"'
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\ . ' contains=@markoHtmlContent'
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unlet s:tag_end_ahead
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" Delimited text blocks in concise mode contain html-mode content. An
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" indented block closes at a matching delimiter line or at any line
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" indented less than its opener; a column-0 block closes only at its
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" matching delimiter:
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" --
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" A block of text, <b>html mode</b>.
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" --
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syn region markoTextBlock matchgroup=markoBlockDelim
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\ start="^\z(\s\+\)--\+\s*$"
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\ end="^\z1--\+\s*$" end="^\%(\z1\)\@!\ze\s*\S"
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\ contains=@markoHtmlContent
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syn region markoTextBlock matchgroup=markoBlockDelim
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\ start="^--\+\s*$"
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\ end="^--\+\s*$"
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\ contains=@markoHtmlContent
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" Parsed-text tags: bodies contain only text and placeholders (style and
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" script embed CSS and TypeScript, a textarea body is plain text, an
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" html-comment body is comment text). Defined after the generic tag and
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" body regions to win at the same "<". The "/\@1<!" keeps self-closing
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" open tags, which have no body, out:
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" <script src="x" />
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" keepend stops an unterminated embedded construct at the close tag.
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syn region markoStyle matchgroup=markoTagNameBuiltin
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\ start=+<\%(html-\)\=style\>\_[^>]\{-,300}/\@1<!=\@1<!>+
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\ end="</\%(html-\)\=style\s*>"
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\ contains=@markoCSS,markoPlaceholder keepend fold
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syn region markoStyle matchgroup=markoTagNameBuiltin
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\ start="^\s*style\%([./][^ \t{]*\)\=\s*{" end="}"
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\ contains=@markoCSS,markoPlaceholder fold
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syn region markoScript matchgroup=markoTagNameBuiltin
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\ start=+<\%(html-\)\=script\>\_[^>]\{-,300}/\@1<!=\@1<!>+
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\ end="</\%(html-\)\=script\s*>"
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\ contains=@markoTS,markoPlaceholder keepend fold
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syn region markoTextareaTag matchgroup=markoTagNameBuiltin
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\ start=+<textarea\>\_[^>]\{-,300}/\@1<!=\@1<!>+
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\ end="</textarea\s*>"
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\ contains=markoPlaceholder,markoEntity,@Spell keepend
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syn region markoHtmlCommentTag matchgroup=markoTagNameBuiltin
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\ start=+<html-comment\>\_[^>]\{-,300}/\@1<!=\@1<!>+
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\ end="</html-comment\s*>"
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\ contains=markoPlaceholder,@Spell keepend
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" Tag names inside "<...>"/"</...>" (concise names are colored by the
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" region matchgroups above). The generic name is defined after the
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" attribute name, so it wins right after "<"; the class-specific names are
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" defined after the generic one, so they win over it.
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syn match markoTagName contained "\%(</\=\)\@2<=[[:alnum:]][-[:alnum:]_$:]*" display
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syn match markoAttrTagName contained "\%(</\=\)\@2<=@[-[:alnum:]_$:]\+" display
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" The un-contained variants refine markoCloseName after a body's end has
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" consumed the "</", so builtin and "@" close names keep their classes.
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syn match markoAttrTagName "\%(</\)\@2<=@\%(\k\|[$:]\)\+\s*" nextgroup=markoCloseGt display
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for [s:class_suffix, s:name_pattern] in s:tag_name_classes
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exe 'syn match markoTagName' . s:class_suffix
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\ . ' contained "\%(</\=\)\@2<=\%(' . s:name_pattern . '\)\%([-[:alnum:]_$]\)\@!" display'
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exe 'syn match markoTagName' . s:class_suffix
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\ . ' "\%(</\)\@2<=\%(' . s:name_pattern . '\)\%(\k\|[$:]\)\@!\s*"'
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\ . ' nextgroup=markoCloseGt display'
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endfor
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unlet s:tag_name_classes s:class_suffix s:name_pattern
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" The includes install their own sync rules; clear them and restate the
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" keyword characters ("syn sync clear" clears "syn iskeyword" too). "-"
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" keeps css.vim's hyphenated value keywords whole:
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" font-family: sans-serif
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" fromstart is the only safe strategy, since element bodies, concise
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" regions and style/script bodies are all unbounded or line-anchored; a
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" cold parse of a 5000 line file stays well under a second on current
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" hardware.
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syn sync clear
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syn sync fromstart
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syn iskeyword @,48-57,_,192-255,-
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hi def link markoComment Comment
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hi def link markoTagComment Comment
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hi def link markoHtmlCommentTag Comment
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hi def link markoDeclaration PreProc
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hi def link markoCData String
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hi def link markoEscape Special
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hi def link markoEntity Special
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hi def link markoPlaceholderDelim Special
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hi def link markoStatementKeyword Keyword
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hi def link markoScriptletDelim Special
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hi def link markoBlockDelim Special
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hi def link markoTagDelim Special
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hi def link markoTagName Statement
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hi def link markoCloseName Statement
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hi def link markoCloseGt Special
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hi def link markoAttrTagName Identifier
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hi def link markoTagNameConditional Conditional
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hi def link markoTagNameRepeat Repeat
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hi def link markoTagNameException Exception
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hi def link markoTagNameStatement Statement
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hi def link markoTagNameBuiltin Macro
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hi def link markoShorthandId Constant
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hi def link markoShorthandClass Identifier
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hi def link markoTagVar Identifier
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hi def link markoAttrName Type
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hi def link markoString String
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hi def link markoSpread Operator
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hi def link markoOperator Operator
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let b:current_syntax = "marko"
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if main_syntax ==# "marko"
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unlet main_syntax
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endif
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let &cpo = s:cpo_save
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unlet s:cpo_save
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" vim: ts=8
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