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Prevent false detection of fenced code block start

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If a line begins with a word that matches one of the languages listed in
`g:markdown_fenced_languages`, the line is wrongly detected as being the
start of a fenced code block for that language. This commit ensures that
a line is only treated as the start of fenced code block if the line
begins with three or more consecutive backtick or tilde characters (with
optional leading space characters).
This commit is contained in:
Anthony Geoghegan
2020-04-07 18:20:39 +01:00
committed by Tim Pope
parent 855b8915e0
commit 9d87cc1917
1 changed files with 2 additions and 2 deletions
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4
syntax/markdown.vim
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@@ -123,8 +123,8 @@ if main_syntax ==# 'markdown'
if has_key(s:done_include, matchstr(s:type,'[^.]*')) if has_key(s:done_include, matchstr(s:type,'[^.]*'))
continue continue
endif endif
exe 'syn region markdownHighlight'.substitute(matchstr(s:type,'[^=]*$'),'\..*','','').' matchgroup=markdownCodeDelimiter start="^\s*\z(`\{3,\}\)*\s*\%({.\{-}\.\)\='.matchstr(s:type,'[^=]*').'}\=\S\@!.*$" end="^\s*\z1\ze\s*$" keepend contains=@markdownHighlight'.substitute(matchstr(s:type,'[^=]*$'),'\.','','g') . s:concealends exe 'syn region markdownHighlight'.substitute(matchstr(s:type,'[^=]*$'),'\..*','','').' matchgroup=markdownCodeDelimiter start="^\s*\z(`\{3,\}\)\s*\%({.\{-}\.\)\='.matchstr(s:type,'[^=]*').'}\=\S\@!.*$" end="^\s*\z1\ze\s*$" keepend contains=@markdownHighlight'.substitute(matchstr(s:type,'[^=]*$'),'\.','','g') . s:concealends
exe 'syn region markdownHighlight'.substitute(matchstr(s:type,'[^=]*$'),'\..*','','').' matchgroup=markdownCodeDelimiter start="^\s*\z(\~\{3,\}\)*\s*\%({.\{-}\.\)\='.matchstr(s:type,'[^=]*').'}\=\S\@!.*$" end="^\s*\z1\ze\s*$" keepend contains=@markdownHighlight'.substitute(matchstr(s:type,'[^=]*$'),'\.','','g') . s:concealends exe 'syn region markdownHighlight'.substitute(matchstr(s:type,'[^=]*$'),'\..*','','').' matchgroup=markdownCodeDelimiter start="^\s*\z(\~\{3,\}\)\s*\%({.\{-}\.\)\='.matchstr(s:type,'[^=]*').'}\=\S\@!.*$" end="^\s*\z1\ze\s*$" keepend contains=@markdownHighlight'.substitute(matchstr(s:type,'[^=]*$'),'\.','','g') . s:concealends
let s:done_include[matchstr(s:type,'[^.]*')] = 1 let s:done_include[matchstr(s:type,'[^.]*')] = 1
endfor endfor
unlet! s:type unlet! s:type