X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/31f209886ce824a5a998e932359f77f9aac5d289..1b32329c8a880d039661efe87fc0a5f1171d44ae:/syntax/markdown.vim

diff --git a/syntax/markdown.vim b/syntax/markdown.vim
index ec12ef6..92c6c56 100644
--- a/syntax/markdown.vim
+++ b/syntax/markdown.vim
@@ -34,9 +34,16 @@ syn spell toplevel
 syn case ignore
 syn sync linebreaks=1
 
+let s:conceal = ''
+let s:concealends = ''
+if has('conceal')
+  let s:conceal = ' conceal'
+  let s:concealends = ' concealends'
+endif
+
 "additions to HTML groups
-syn region htmlItalic start="\\\@<!\*\ze\S" end="\S\zs\\\@<!\*" keepend oneline
-syn region htmlItalic start="\(^\|\s\)\@<=_\|\\\@<!_\([^_]\+\s\)\@=" end="\S\@<=[^\\]_\|[^\\]_\S\@=" keepend oneline
+syn region htmlItalic start="\\\@<!\*\ze[^\\\*\t ]" end="[^\\\*\t ]\zs\*" keepend oneline
+syn region htmlItalic start="\\\@<!_\ze[^\\_\t ]" end="[^\\_\t ]\zs_" keepend oneline
 syn region htmlBold start="\*\*\ze\S" end="\S\zs\*\*" keepend oneline
 syn region htmlBold start="__\ze\S" end="\S\zs__" keepend oneline
 syn region htmlBoldItalic start="\*\*\*\ze\S" end="\S\zs\*\*\*" keepend oneline
@@ -44,9 +51,9 @@ 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 mkdID matchgroup=mkdDelimiter        start="\["    end="\]" contained oneline
-syn region mkdURL matchgroup=mkdDelimiter       start="("     end=")"  contained oneline
-syn region mkdLink matchgroup=mkdDelimiter      start="\\\@<!!\?\[" end="\]\ze\s*[[(]" contains=@mkdNonListItem,@Spell nextgroup=mkdURL,mkdID skipwhite oneline
+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="\\\@<!!\?\[" end="\]\ze[[(]" contains=@mkdNonListItem,@Spell nextgroup=mkdURL,mkdID skipwhite oneline' . 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