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\)\+/
if get(g:, 'vim_markdown_frontmatter', 0)
syn include @yamlTop syntax/yaml.vim
syn region Comment matchgroup=mkdDelimiter start="\%^---$" end="^---$" contains=@yamlTop
+ 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
+ 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
+ unlet! b:current_syntax
+ catch /E484/
+ syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$"
+ endtry
endif
if get(g:, 'vim_markdown_math', 0)