X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/31f209886ce824a5a998e932359f77f9aac5d289..6f9e18335e17bca5fbf05974b4ccbe1759e66891:/syntax/markdown.vim

diff --git a/syntax/markdown.vim b/syntax/markdown.vim
index ec12ef6..114b92b 100644
--- a/syntax/markdown.vim
+++ b/syntax/markdown.vim
@@ -34,27 +34,39 @@ syn spell toplevel
 syn case ignore
 syn sync linebreaks=1
 
-"additions to HTML groups
-syn region htmlItalic start="\\\@<!\*\ze\S" end="\S\zs\\\@<!\*" keepend oneline
-syn region htmlItalic start="\(^\|\s\)\@<=_\|\\\@<!_\([^_]\+\s\)\@=" end="\S\@<=[^\\]_\|[^\\]_\S\@=" keepend oneline
-syn region htmlBold start="\*\*\ze\S" end="\S\zs\*\*" keepend oneline
-syn region htmlBold start="__\ze\S" end="\S\zs__" keepend oneline
-syn region htmlBoldItalic start="\*\*\*\ze\S" end="\S\zs\*\*\*" keepend oneline
-syn region htmlBoldItalic start="___\ze\S" end="\S\zs___" keepend oneline
+let s:conceal = ''
+let s:concealends = ''
+if has('conceal') && get(g:, 'vim_markdown_conceal', 1)
+  let s:conceal = ' conceal'
+  let s:concealends = ' concealends'
+endif
+
+" additions to HTML groups
+if get(g:, 'vim_markdown_emphasis_multiline', 1)
+    let s:oneline = ''
+else
+    let s:oneline = ' oneline'
+endif
+execute 'syn region htmlItalic start="\%(^\|\s\)\zs\*\ze[^\\\*\t ]\%(\%([^*]\|\\\*\|\n\)*[^\\\*\t ]\)\?\*\_W" end="[^\\\*\t ]\zs\*\ze\_W" keepend' . s:oneline
+execute 'syn region htmlItalic start="\%(^\|\s\)\zs_\ze[^\\_\t ]" end="[^\\_\t ]\zs_\ze\_W" keepend' . s:oneline
+execute 'syn region htmlBold start="\%(^\|\s\)\*\*\ze\S" end="\S\zs\*\*" keepend' . s:oneline
+execute 'syn region htmlBold start="\%(^\|\s\)\zs__\ze\S" end="\S\zs__" keepend' . s:oneline
+execute 'syn region htmlBoldItalic start="\%(^\|\s\)\zs\*\*\*\ze\S" end="\S\zs\*\*\*" keepend' . s:oneline
+execute 'syn region htmlBoldItalic start="\%(^\|\s\)\zs___\ze\S" end="\S\zs___" keepend' . s:oneline
 
 " [link](URL) | [link][id] | [link][] | ![image](URL)
 syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^"    end="\]"
-syn region mkdID matchgroup=mkdDelimiter        start="\["    end="\]" contained oneline
-syn region mkdURL matchgroup=mkdDelimiter       start="("     end=")"  contained oneline
-syn region mkdLink matchgroup=mkdDelimiter      start="\\\@<!!\?\[" end="\]\ze\s*[[(]" contains=@mkdNonListItem,@Spell nextgroup=mkdURL,mkdID skipwhite oneline
+execute 'syn region mkdID matchgroup=mkdDelimiter    start="\["    end="\]" contained oneline' . s:conceal
+execute 'syn region mkdURL matchgroup=mkdDelimiter   start="("     end=")"  contained oneline' . s:conceal
+execute 'syn region mkdLink matchgroup=mkdDelimiter  start="\\\@<!!\?\[" end="\n\{-,1}[^]]\{-}\zs\]\ze[[(]" contains=@mkdNonListItem,@Spell nextgroup=mkdURL,mkdID skipwhite oneline' . s:concealends
 
 " Autolink without angle brackets.
-" mkd  inline links:           protocol   optional  user:pass@       sub/domain                 .com, .co.uk, etc      optional port   path/querystring/hash fragment
-"                            ------------ _____________________ --------------------------- ________________________ ----------------- __
-syntax match   mkdInlineURL /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*/
+" mkd  inline links:      protocol     optional  user:pass@  sub/domain                    .com, .co.uk, etc         optional port   path/querystring/hash fragment
+"                         ------------ _____________________ ----------------------------- _________________________ ----------------- __
+syn match   mkdInlineURL /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*/
 
 " Autolink with parenthesis.
-syntax region  mkdInlineURL matchgroup=mkdDelimiter start="(\(https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*)\)\@=" end=")"
+syn region  mkdInlineURL matchgroup=mkdDelimiter start="(\(https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*)\)\@=" end=")"
 
 " Autolink with angle brackets.
 syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!<\ze[a-z][a-z0-9,.-]\{1,22}:\/\/[^> ]*>" end=">"
@@ -77,20 +89,21 @@ syn match  htmlH1       /^.\+\n=\+$/ contains=@Spell
 syn match  htmlH2       /^.\+\n-\+$/ contains=@Spell
 
 "define Markdown groups
-syn match  mkdLineContinue ".$" contained
 syn match  mkdLineBreak    /  \+$/
-syn region mkdBlockquote   start=/^\s*>/                   end=/$/ contains=mkdLineBreak,mkdLineContinue,@Spell
+syn region mkdBlockquote   start=/^\s*>/                   end=/$/ contains=mkdLineBreak,@Spell
 syn region mkdCode         start=/\(\([^\\]\|^\)\\\)\@<!`/ end=/\(\([^\\]\|^\)\\\)\@<!`/
 syn region mkdCode         start=/\s*``[^`]*/              end=/[^`]*``\s*/
-syn region mkdCode         start=/^\s*\z(`\{3,}\)\s*[0-9A-Za-z_+-]*\s*$/          end=/^\s*\z1`*\s*$/
-syn region mkdCode         start=/\s*\~\~[^\~]*/              end=/[^\~]*\~\~\s*/
+syn region mkdCode         start=/^\s*\z(`\{3,}\)[^`]*$/   end=/^\s*\z1`*\s*$/
+syn region mkdCode         start=/\s*\~\~[^\~]*/           end=/[^\~]*\~\~\s*/
 syn region mkdCode         start=/^\s*\z(\~\{3,}\)\s*[0-9A-Za-z_+-]*\s*$/         end=/^\s*\z1\~*\s*$/
-syn region mkdCode         start="<pre[^>]*>"              end="</pre>"
-syn region mkdCode         start="<code[^>]*>"             end="</code>"
+syn region mkdCode         start="<pre[^>]*\\\@<!>"        end="</pre>"
+syn region mkdCode         start="<code[^>]*\\\@<!>"       end="</code>"
 syn region mkdFootnote     start="\[^"                     end="\]"
 syn match  mkdCode         /^\s*\n\(\(\s\{8,}[^ ]\|\t\t\+[^\t]\).*\n\)\+/
+syn match  mkdCode         /\%^\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/
 syn match  mkdCode         /^\s*\n\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/ contained
-syn region mkdListItemLine matchgroup=mkdListItem start="^\s*\%([-*+]\|\d\+\.\)\s\+" end="$" contains=@mkdNonListItem,@Spell
+syn match  mkdListItem     /^\s*\%([-*+]\|\d\+\.\)\s\+/ contained
+syn region mkdListItemLine start="^\s*\%([-*+]\|\d\+\.\)\s\+" end="$" oneline contains=@mkdNonListItem,mkdListItem,@Spell
 syn region mkdNonListItemBlock start="\(\%^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@!\|\n\(\_^\_$\|\s\{4,}[^ ]\|\t+[^\t]\)\@!\)" end="^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@=" contains=@mkdNonListItem,@Spell
 syn match  mkdRule         /^\s*\*\s\{0,1}\*\s\{0,1}\*$/
 syn match  mkdRule         /^\s*-\s\{0,1}-\s\{0,1}-$/
@@ -101,16 +114,37 @@ syn match  mkdRule         /^\s*\*\{3,5}$/
 " YAML frontmatter
 if get(g:, 'vim_markdown_frontmatter', 0)
   syn include @yamlTop syntax/yaml.vim
-  syn region Comment matchgroup=mkdDelimiter start="\%^---$" end="^---$" contains=@yamlTop
+  syn region Comment matchgroup=mkdDelimiter start="\%^---$" end="^---$" contains=@yamlTop keepend
+  unlet! b:current_syntax
+endif
+
+if get(g:, 'vim_markdown_toml_frontmatter', 0)
+  try
+    syn include @tomlTop syntax/toml.vim
+    syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$" transparent contains=@tomlTop keepend
+    unlet! b:current_syntax
+  catch /E484/
+    syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$"
+  endtry
+endif
+
+if get(g:, 'vim_markdown_json_frontmatter', 0)
+  try
+    syn include @jsonTop syntax/json.vim
+    syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$" contains=@jsonTop keepend
+    unlet! b:current_syntax
+  catch /E484/
+    syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$"
+  endtry
 endif
 
 if get(g:, 'vim_markdown_math', 0)
   syn include @tex syntax/tex.vim
-  syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$" end="\$" contains=@tex
-  syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$\$" end="\$\$" contains=@tex
+  syn region mkdMath start="\\\@<!\$" end="\$" contains=@tex keepend
+  syn region mkdMath start="\\\@<!\$\$" end="\$\$" contains=@tex keepend
 endif
 
-syn cluster mkdNonListItem contains=@htmlTop,htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdListItem,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath
+syn cluster mkdNonListItem contains=@htmlTop,htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath
 
 "highlighting for Markdown groups
 HtmlHiLink mkdString        String
@@ -119,10 +153,9 @@ HtmlHiLink mkdCodeStart     String
 HtmlHiLink mkdCodeEnd       String
 HtmlHiLink mkdFootnote      Comment
 HtmlHiLink mkdBlockquote    Comment
-HtmlHiLink mkdLineContinue  Comment
 HtmlHiLink mkdListItem      Identifier
 HtmlHiLink mkdRule          Identifier
-HtmlHiLink mkdLineBreak     Todo
+HtmlHiLink mkdLineBreak     Visual
 HtmlHiLink mkdFootnotes     htmlLink
 HtmlHiLink mkdLink          htmlLink
 HtmlHiLink mkdURL           htmlString