endif
"additions to HTML groups
-syn region htmlItalic start="\%(^\|\s\)\zs\*\ze[^\\\*\t ]" end="[^\\\*\t ]\zs\*\ze\_W" keepend
-syn region htmlItalic start="\%(^\|\s\)\zs_\ze[^\\_\t ]" end="[^\\_\t ]\zs_\ze\_W" keepend
-syn region htmlBold start="\*\*\ze\S" end="\S\zs\*\*" keepend
-syn region htmlBold start="__\ze\S" end="\S\zs__" keepend
-syn region htmlBoldItalic start="\*\*\*\ze\S" end="\S\zs\*\*\*" keepend
-syn region htmlBoldItalic start="___\ze\S" end="\S\zs___" keepend
+if get(g:, "vim_markdown_emphasis_multiline", 1)
+ let oneline = ""
+else
+ let oneline = " oneline"
+endif
+execute 'syn region htmlItalic start="\%(^\|\s\)\zs\*\ze[^\\\*\t ]" end="[^\\\*\t ]\zs\*\ze\_W" keepend' . oneline
+execute 'syn region htmlItalic start="\%(^\|\s\)\zs_\ze[^\\_\t ]" end="[^\\_\t ]\zs_\ze\_W" keepend' . oneline
+execute 'syn region htmlBold start="\*\*\ze\S" end="\S\zs\*\*" keepend' . oneline
+execute 'syn region htmlBold start="__\ze\S" end="\S\zs__" keepend' . oneline
+execute 'syn region htmlBoldItalic start="\*\*\*\ze\S" end="\S\zs\*\*\*" keepend' . oneline
+execute 'syn region htmlBoldItalic start="___\ze\S" end="\S\zs___" keepend' . oneline
" [link](URL) | [link][id] | [link][] | ![image](URL)
syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^" end="\]"
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>"