Fix math syntax highlighting after end pattern

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

diff --git a/syntax/markdown.vim b/syntax/markdown.vim
index 994de6b41dd770a9404ef5ff98f0b1199929753f..1614d7bd1ac21be991b9796e93f165a385894d61 100644 (file)
--- a/syntax/markdown.vim
+++ b/syntax/markdown.vim
@@ -36,29 +36,23 @@ syn sync linebreaks=1
 
 let s:conceal = ''
 let s:concealends = ''
-if has('conceal')
+if has('conceal') && get(g:, 'vim_markdown_conceal', 1)
   let s:conceal = ' conceal'
   let s:concealends = ' concealends'
 endif
 
-"additions to HTML groups
-if get(g:, "vim_markdown_emphasis_multiline", 1)
-    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
+" additions to HTML groups
+if get(g:, 'vim_markdown_emphasis_multiline', 1)
+    let s:oneline = ''
 else
-    " single-line emphasis (emphasis only works with closing token on the same line)
-    " the following character makes the match non-greedy:          vv
-    syn region htmlItalic start="\%(^\|\s\)\zs\*\ze[^\\\*\t ]\([^\n\*]*[^\\\*\t ]\)\?\*" end="[^\\\*\t ]\zs\*\ze\_W" keepend
-    syn region htmlItalic start="\%(^\|\s\)\zs_\ze[^\\_\t ]\([^\n_]*[^\\_\t ]\)\?_" end="[^\\_\t ]\zs_\ze\_W" keepend
-    syn region htmlBold start="\*\*\ze\S\([^\n\*]*[^\\\*\t ]\)\?\*\*" end="\S\zs\*\*" keepend
-    syn region htmlBold start="__\ze\S\([^\n_]*[^\\_\t ]\)\?__" end="\S\zs__" keepend
-    syn region htmlBold start="\*\*\*\ze\S\([^\n\*]*[^\\\*\t ]\)\?\*\*\*" end="\S\zs\*\*\*" keepend
-    syn region htmlBold start="___\ze\S\([^\n_]*[^\\_\t ]\)\?___" end="\S\zs___" keepend
+    let s:oneline = ' oneline'
 endif
+execute 'syn region htmlItalic start="\%(^\|\s\)\zs\*\ze[^\\\*\t ]\%(\%([^*]\|\\\*\|\n\)*[^\\\*\t ]\)\?\*\_W" end="[^\\\*\t ]\zs\*\ze\_W" keepend' . s:oneline
+execute 'syn region htmlItalic start="\%(^\|\s\)\zs_\ze[^\\_\t ]" end="[^\\_\t ]\zs_\ze\_W" keepend' . s:oneline
+execute 'syn region htmlBold start="\%(^\|\s\)\*\*\ze\S" end="\S\zs\*\*" keepend' . s:oneline
+execute 'syn region htmlBold start="\%(^\|\s\)\zs__\ze\S" end="\S\zs__" keepend' . s:oneline
+execute 'syn region htmlBoldItalic start="\%(^\|\s\)\zs\*\*\*\ze\S" end="\S\zs\*\*\*" keepend' . s:oneline
+execute 'syn region htmlBoldItalic start="\%(^\|\s\)\zs___\ze\S" end="\S\zs___" keepend' . s:oneline
 
 " [link](URL) | [link][id] | [link][] | ![image](URL)
 syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^"    end="\]"
@@ -67,12 +61,12 @@ execute 'syn region mkdURL matchgroup=mkdDelimiter   start="("     end=")"  cont
 execute 'syn region mkdLink matchgroup=mkdDelimiter  start="\\\@<!!\?\[" end="\n\{-,1}[^]]\{-}\zs\]\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
-"                            ------------ _____________________ --------------------------- ________________________ ----------------- __
-syntax match   mkdInlineURL /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*/
+" mkd  inline links:      protocol     optional  user:pass@  sub/domain                    .com, .co.uk, etc         optional port   path/querystring/hash fragment
+"                         ------------ _____________________ ----------------------------- _________________________ ----------------- __
+syn match   mkdInlineURL /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*/
 
 " Autolink with parenthesis.
-syntax region  mkdInlineURL matchgroup=mkdDelimiter start="(\(https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*)\)\@=" end=")"
+syn region  mkdInlineURL matchgroup=mkdDelimiter start="(\(https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*)\)\@=" end=")"
 
 " Autolink with angle brackets.
 syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!<\ze[a-z][a-z0-9,.-]\{1,22}:\/\/[^> ]*>" end=">"
@@ -146,8 +140,8 @@ endif
 
 if get(g:, 'vim_markdown_math', 0)
   syn include @tex syntax/tex.vim
-  syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$" end="\$" contains=@tex
-  syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$\$" end="\$\$" contains=@tex
+  syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$" end="\$" contains=@tex keepend
+  syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$\$" end="\$\$" contains=@tex keepend
 endif
 
 syn cluster mkdNonListItem contains=@htmlTop,htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath
@@ -161,7 +155,7 @@ HtmlHiLink mkdFootnote      Comment
 HtmlHiLink mkdBlockquote    Comment
 HtmlHiLink mkdListItem      Identifier
 HtmlHiLink mkdRule          Identifier
-HtmlHiLink mkdLineBreak     Todo
+HtmlHiLink mkdLineBreak     Visual
 HtmlHiLink mkdFootnotes     htmlLink
 HtmlHiLink mkdLink          htmlLink
 HtmlHiLink mkdURL           htmlString