vimwiki/syntax/vimwiki_markdown.vim

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" vim:tabstop=2:shiftwidth=2:expandtab:textwidth=99
" Vimwiki syntax file
" Description: Defines markdown syntax
" Home: https://github.com/vimwiki/vimwiki/
" see the comments in vimwiki_default.vim for some info about this file
let s:markdown_syntax = g:vimwiki_syntax_variables['markdown']
" text: $ equation_inline $
let s:markdown_syntax.rxEqIn = '\$[^$`]\+\$'
let s:markdown_syntax.char_eqin = '\$'
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" text: **strong** or __strong__
let s:markdown_syntax.rxBold = '\%(^\|\s\|[[:punct:]]\)\@<='.
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\'\(\*\|_\)\{2\}'.
\'\%([^*_`[:space:]][^*_`]*[^*_`[:space:]]\|[^*_`[:space:]]\)'.
\'\1\{2\}'.
\'\%([[:punct:]]\|\s\|$\)\@='
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let s:markdown_syntax.char_bold = '\*\*\|__'
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" text: _emphasis_ or *emphasis*
let s:markdown_syntax.rxItalic = '\%(^\|\s\|[[:punct:]]\)\@<='.
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\'\(\*\|_\)'.
\'\%([^*_`[:space:]][^*_`]*[^*_`[:space:]]\|[^*_`[:space:]]\)'.
\'\1'.
\'\%([[:punct:]]\|\s\|$\)\@='
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let s:markdown_syntax.char_italic = '\*\|_'
" text: *_bold italic_* or _*italic bold*_
let s:markdown_syntax.rxBoldItalic = '\%(^\|\s\|[[:punct:]]\)\@<='.
\'\(\*\)\{3\}'.
\'\%([^*`[:space:]][^*`]*[^*`[:space:]]\|[^*`[:space:]]\)'.
\'\1\{3\}'.
\'\%([[:punct:]]\|\s\|$\)\@='
let s:markdown_syntax.char_bolditalic = '\*\*\*'
let s:markdown_syntax.rxItalicBold = '\%(^\|\s\|[[:punct:]]\)\@<='.
\'\(_\)\{3\}'.
\'\%([^_`[:space:]][^_`]*[^_`[:space:]]\|[^_`[:space:]]\)'.
\'\1\{3\}'.
\'\%([[:punct:]]\|\s\|$\)\@='
let s:markdown_syntax.char_italicbold = '___'
" text: `code`
let s:markdown_syntax.rxCode = '`[^`]\+`'
let s:markdown_syntax.char_code = '`'
" text: ~~deleted text~~
let s:markdown_syntax.rxDelText = '\~\~[^~`]\+\~\~'
let s:markdown_syntax.char_deltext = '\~\~'
" text: ^superscript^
let s:markdown_syntax.rxSuperScript = '\^[^^`]\+\^'
let s:markdown_syntax.char_superscript = '^'
" text: ,,subscript,,
let s:markdown_syntax.rxSubScript = ',,[^,`]\+,,'
let s:markdown_syntax.char_subscript = ',,'
" generic headers
let s:markdown_syntax.rxH = '#'
let s:markdown_syntax.symH = 0
" <hr>, horizontal rule
let s:markdown_syntax.rxHR = '\(^---*$\|^___*$\|^\*\*\**$\)'
" Tables. Each line starts and ends with '|'; each cell is separated by '|'
let s:markdown_syntax.rxTableSep = '|'
" Lists
let s:markdown_syntax.recurring_bullets = 0
let s:markdown_syntax.number_types = ['1.']
let s:markdown_syntax.list_markers = ['-', '*', '+', '1.']
let s:markdown_syntax.rxListDefine = '::\%(\s\|$\)'
let s:markdown_syntax.bullet_types = ['*', '-', '+']
" Preformatted text (code blocks)
let s:markdown_syntax.rxPreStart = '\%(`\{3,}\|\~\{3,}\)'
let s:markdown_syntax.rxPreEnd = '\%(`\{3,}\|\~\{3,}\)'
" TODO see syntax/vimwiki_markdown_custom.vim for more info
" let s:markdown_syntax.rxIndentedCodeBlock = '\%(^\n\)\@1<=\%(\%(\s\{4,}\|\t\+\).*\n\)\+'
" Math block
let s:markdown_syntax.rxMathStart = '\$\$'
let s:markdown_syntax.rxMathEnd = '\$\$'
" NOTE: There is no multi-line comment syntax for Markdown
let s:markdown_syntax.rxMultilineCommentStart = ''
let s:markdown_syntax.rxMultilineCommentEnd = ''
let s:markdown_syntax.rxComment = '^\s*%%.*$\|<!--[^>]*-->'
let s:markdown_syntax.rxTags = '\%(^\|\s\)\@<=:\%([^:[:space:]]\+:\)\+\%(\s\|$\)\@='
let s:markdown_syntax.header_search = '^\s*\(#\{1,6}\)\([^#].*\)$'
let s:markdown_syntax.header_match = '^\s*\(#\{1,6}\)#\@!\s*__Header__\s*$'
let s:markdown_syntax.bold_search = '\%(^\|\s\|[[:punct:]]\)\@<=\*\zs'.
\ '\%([^*`[:space:]][^*`]*[^*`[:space:]]\|[^*`[:space:]]\)\ze\*\%([[:punct:]]\|\s\|$\)\@='
let s:markdown_syntax.bold_match = '\%(^\|\s\|[[:punct:]]\)\@<=\*__Text__\*'.
\ '\%([[:punct:]]\|\s\|$\)\@='
let s:markdown_syntax.wikilink = '\[\[\zs[^\\\]|]\+\ze\%(|[^\\\]]\+\)\?\]\]'
let s:markdown_syntax.tag_search = '\(^\|\s\)\zs:\([^:''[:space:]]\+:\)\+\ze\(\s\|$\)'
let s:markdown_syntax.tag_match = '\(^\|\s\):\([^:''[:space:]]\+:\)*__Tag__:'.
\ '\([^:[:space:]]\+:\)*\(\s\|$\)'