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
" 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