X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/b73966f214f4114b933cb7e7e7265f5763112712..4b688b12ccbbde3ee7b71f2cc8445a3106957394:/syntax/markdown.vim

diff --git a/syntax/markdown.vim b/syntax/markdown.vim
index 4602d66..d8d34ea 100644
--- a/syntax/markdown.vim
+++ b/syntax/markdown.vim
@@ -36,10 +36,14 @@ syn sync linebreaks=1
 
 let s:conceal = ''
 let s:concealends = ''
+let s:concealcode = ''
 if has('conceal') && get(g:, 'vim_markdown_conceal', 1)
   let s:conceal = ' conceal'
   let s:concealends = ' concealends'
 endif
+if has('conceal') && get(g:, 'vim_markdown_conceal_code_blocks', 1)
+  let s:concealcode = ' concealends'
+endif
 
 " additions to HTML groups
 if get(g:, 'vim_markdown_emphasis_multiline', 1)
@@ -61,7 +65,7 @@ execute 'syn region htmlBoldItalic matchgroup=mkdBoldItalic start="\%(^\|\s\)\zs
 syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^"    end="\]"
 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
+execute 'syn region mkdLink matchgroup=mkdDelimiter  start="\\\@<!!\?\[\ze[^]\n]*\n\?[^]\n]*\][[(]" end="\]" contains=@mkdNonListItem,@Spell nextgroup=mkdURL,mkdID skipwhite' . 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
@@ -75,32 +79,32 @@ syn region  mkdInlineURL matchgroup=mkdDelimiter start="(\(https\?:\/\/\(\w\+\(:
 syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!<\ze[a-z][a-z0-9,.-]\{1,22}:\/\/[^> ]*>" end=">"
 
 " Link definitions: [id]: URL (Optional Title)
-syn region mkdLinkDef matchgroup=mkdDelimiter   start="^ \{,3}\zs\[" end="]:" oneline nextgroup=mkdLinkDefTarget skipwhite
+syn region mkdLinkDef matchgroup=mkdDelimiter   start="^ \{,3}\zs\[\^\@!" end="]:" oneline nextgroup=mkdLinkDefTarget skipwhite
 syn region mkdLinkDefTarget start="<\?\zs\S" excludenl end="\ze[>[:space:]\n]"   contained nextgroup=mkdLinkTitle,mkdLinkDef skipwhite skipnl oneline
 syn region mkdLinkTitle matchgroup=mkdDelimiter start=+"+     end=+"+  contained
 syn region mkdLinkTitle matchgroup=mkdDelimiter start=+'+     end=+'+  contained
 syn region mkdLinkTitle matchgroup=mkdDelimiter start=+(+     end=+)+  contained
 
 "HTML headings
-syn region htmlH1       start="^\s*#"                   end="$" contains=mkdLink,mkdInlineURL,@Spell
-syn region htmlH2       start="^\s*##"                  end="$" contains=mkdLink,mkdInlineURL,@Spell
-syn region htmlH3       start="^\s*###"                 end="$" contains=mkdLink,mkdInlineURL,@Spell
-syn region htmlH4       start="^\s*####"                end="$" contains=mkdLink,mkdInlineURL,@Spell
-syn region htmlH5       start="^\s*#####"               end="$" contains=mkdLink,mkdInlineURL,@Spell
-syn region htmlH6       start="^\s*######"              end="$" contains=mkdLink,mkdInlineURL,@Spell
+syn region htmlH1       matchgroup=mkdHeading     start="^\s*#"                   end="$" contains=mkdLink,mkdInlineURL,@Spell
+syn region htmlH2       matchgroup=mkdHeading     start="^\s*##"                  end="$" contains=mkdLink,mkdInlineURL,@Spell
+syn region htmlH3       matchgroup=mkdHeading     start="^\s*###"                 end="$" contains=mkdLink,mkdInlineURL,@Spell
+syn region htmlH4       matchgroup=mkdHeading     start="^\s*####"                end="$" contains=mkdLink,mkdInlineURL,@Spell
+syn region htmlH5       matchgroup=mkdHeading     start="^\s*#####"               end="$" contains=mkdLink,mkdInlineURL,@Spell
+syn region htmlH6       matchgroup=mkdHeading     start="^\s*######"              end="$" contains=mkdLink,mkdInlineURL,@Spell
 syn match  htmlH1       /^.\+\n=\+$/ contains=mkdLink,mkdInlineURL,@Spell
 syn match  htmlH2       /^.\+\n-\+$/ contains=mkdLink,mkdInlineURL,@Spell
 
 "define Markdown groups
 syn match  mkdLineBreak    /  \+$/
 syn region mkdBlockquote   start=/^\s*>/                   end=/$/ contains=mkdLink,mkdInlineURL,mkdLineBreak,@Spell
-syn region mkdCode         start=/\(\([^\\]\|^\)\\\)\@<!`/ end=/\(\([^\\]\|^\)\\\)\@<!`/
-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>"
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!`/                     end=/`/'  . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!``/ skip=/[^`]`[^`]/   end=/``/' . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/^\s*\z(`\{3,}\)[^`]*$/                       end=/^\s*\z1`*\s*$/'            . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!\~\~/  end=/\(\([^\\]\|^\)\\\)\@<!\~\~/'               . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/^\s*\z(\~\{3,}\)\s*[0-9A-Za-z_+-]*\s*$/      end=/^\s*\z1\~*\s*$/'           . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start="<pre[^>]*\\\@<!>"                            end="</pre>"'                   . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start="<code[^>]*\\\@<!>"                           end="</code>"'                  . s:concealcode
 syn region mkdFootnote     start="\[^"                     end="\]"
 syn match  mkdCode         /^\s*\n\(\(\s\{8,}[^ ]\|\t\t\+[^\t]\).*\n\)\+/
 syn match  mkdCode         /\%^\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/
@@ -108,16 +112,14 @@ syn match  mkdCode         /^\s*\n\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/ containe
 syn match  mkdListItem     /^\s*\%([-*+]\|\d\+\.\)\ze\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}\*$/
-syn match  mkdRule         /^\s*-\s\{0,1}-\s\{0,1}-$/
-syn match  mkdRule         /^\s*_\s\{0,1}_\s\{0,1}_$/
-syn match  mkdRule         /^\s*-\{3,}$/
-syn match  mkdRule         /^\s*\*\{3,5}$/
+syn match  mkdRule         /^\s*\*\s\{0,1}\*\s\{0,1}\*\(\*\|\s\)*$/
+syn match  mkdRule         /^\s*-\s\{0,1}-\s\{0,1}-\(-\|\s\)*$/
+syn match  mkdRule         /^\s*_\s\{0,1}_\s\{0,1}_\(_\|\s\)*$/
 
 " YAML frontmatter
 if get(g:, 'vim_markdown_frontmatter', 0)
   syn include @yamlTop syntax/yaml.vim
-  syn region Comment matchgroup=mkdDelimiter start="\%^---$" end="^---$" contains=@yamlTop keepend
+  syn region Comment matchgroup=mkdDelimiter start="\%^---$" end="^\(---\|\.\.\.\)$" contains=@yamlTop keepend
   unlet! b:current_syntax
 endif
 
@@ -143,15 +145,22 @@ endif
 
 if get(g:, 'vim_markdown_math', 0)
   syn include @tex syntax/tex.vim
-  syn region mkdMath start="\\\@<!\$" end="\$" contains=@tex keepend
-  syn region mkdMath start="\\\@<!\$\$" end="\$\$" contains=@tex keepend
+  syn region mkdMath start="\\\@<!\$" end="\$" skip="\\\$" contains=@tex keepend
+  syn region mkdMath start="\\\@<!\$\$" end="\$\$" skip="\\\$" contains=@tex keepend
+endif
+
+" Strike through
+if get(g:, 'vim_markdown_strikethrough', 0)
+    syn region mkdStrike matchgroup=mkdStrike start="\%(\~\~\)"    end="\%(\~\~\)"
+    HtmlHiLink mkdStrike        htmlStrike
 endif
 
-syn cluster mkdNonListItem contains=@htmlTop,htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,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,htmlStrike
 
 "highlighting for Markdown groups
 HtmlHiLink mkdString        String
 HtmlHiLink mkdCode          String
+HtmlHiLink mkdCodeDelimiter String
 HtmlHiLink mkdCodeStart     String
 HtmlHiLink mkdCodeEnd       String
 HtmlHiLink mkdFootnote      Comment