Fix underscores for horizontal rules.

[etc/vim.git] / syntax / mkd.vim

diff --git a/syntax/mkd.vim b/syntax/mkd.vim
index eae0a33aafcf6768483302075489b1471c971b7d..4dfc0b498628bba607bbcf01db3f6f4c57e84de6 100644 (file)
--- a/syntax/mkd.vim
+++ b/syntax/mkd.vim
@@ -36,10 +36,12 @@ syn case ignore
 syn sync linebreaks=1
 
 "additions to HTML groups
-syn region htmlBold     start=/\\\@<!\(^\|\A\)\@=\*\@<!\*\*\*\@!/     end=/\\\@<!\*\@<!\*\*\*\@!\($\|\A\)\@=/   contains=@Spell,htmlItalic
-syn region htmlItalic   start=/\\\@<!\(^\|\A\)\@=\*\@<!\*\*\@!/       end=/\\\@<!\*\@<!\*\*\@!\($\|\A\)\@=/      contains=htmlBold,@Spell
-syn region htmlBold     start=/\\\@<!\(^\|\A\)\@=_\@<!___\@!/         end=/\\\@<!_\@<!___\@!\($\|\A\)\@=/       contains=htmlItalic,@Spell
-syn region htmlItalic   start=/\\\@<!\(^\|\A\)\@=_\@<!__\@!/          end=/\\\@<!_\@<!__\@!\($\|\A\)\@=/        contains=htmlBold,@Spell
+syn region htmlItalic start="\(^\|\s\)\@<=\*" end="\*\($\|\s\)\@=" keepend
+syn region htmlItalic start="\(^\|\s\)\@<=_" end="_\($\|\s\)\@=" keepend
+syn region htmlBold start="\(^\|\s\)\@<=\*\*" end="\*\*\($\|\s\)\@=" keepend
+syn region htmlBold start="\(^\|\s\)\@<=__" end="__\($\|\s\)\@=" keepend
+syn region htmlBoldItalic start="\(^\|\s\)\@<=\*\*\*" end="\*\*\*\($\|\s\)\@=" keepend
+syn region htmlBoldItalic start="\(^\|\s\)\@<=___" end="___\($\|\s\)\@=" keepend
 
 " [link](URL) | [link][id] | [link][]
 syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^"    end="\]"
@@ -60,21 +62,21 @@ syn region mkdLinkTitle matchgroup=mkdDelimiter start=+(+     end=+)+  contained
 
 "define Markdown groups
 syn match  mkdLineContinue ".$" contained
-syn match  mkdRule      /^\s*\*\s\{0,1}\*\s\{0,1}\*$/
-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  mkdListItem  "^\s*[-*+]\s\+"
-syn match  mkdListItem  "^\s*\d\+\.\s\+"
-syn match  mkdCode      /^\s*\n\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/
-syn match  mkdLineBreak /  \+$/
-syn region mkdCode      start=/\(\([^\\]\|^\)\\\)\@<!`/   end=/\(\([^\\]\|^\)\\\)\@<!`/
-syn region mkdCode      start=/\s*``[^`]*/          end=/[^`]*``\s*/
-syn region mkdCode      start=/^```\s*\w*\s*$/          end=/^```\s*$/
-syn region mkdBlockquote start=/^\s*>/              end=/$/                 contains=mkdLineBreak,mkdLineContinue,@Spell
-syn region mkdCode      start="<pre[^>]*>"         end="</pre>"
-syn region mkdCode      start="<code[^>]*>"        end="</code>"
+syn match  mkdLineBreak    /  \+$/
+syn region mkdBlockquote   start=/^\s*>/                   end=/$/ contains=mkdLineBreak,mkdLineContinue,@Spell
+syn region mkdCode         start=/\(\([^\\]\|^\)\\\)\@<!`/ end=/\(\([^\\]\|^\)\\\)\@<!`/
+syn region mkdCode         start=/\s*``[^`]*/              end=/[^`]*``\s*/
+syn region mkdCode         start=/^```\s*\w*\s*$/          end=/^```\s*$/
+syn region mkdCode         start="<pre[^>]*>"              end="</pre>"
+syn region mkdCode         start="<code[^>]*>"             end="</code>"
+syn match  mkdCode         /^\s*\n\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/
+syn match  mkdListItem     "^\s*[-*+]\s\+"
+syn match  mkdListItem     "^\s*\d\+\.\s\+"
+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}$/
 
 "HTML headings
 syn region htmlH1       start="^\s*#"                   end="\($\|#\+\)" contains=@Spell