Use a single code block style on README.

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

diff --git a/syntax/mkd.vim b/syntax/mkd.vim
index 7b9e61fa644cd809fa770819b7996d5073a59faa..19d59d56ab230ea54dcb3e12ec7b30ccb783ca82 100644 (file)
--- a/syntax/mkd.vim
+++ b/syntax/mkd.vim
@@ -15,7 +15,10 @@ if version < 600
   so <sfile>:p:h/html.vim
 else
   runtime! syntax/html.vim
-  unlet b:current_syntax
+
+  if exists('b:current_syntax')
+    unlet b:current_syntax
+  endif
 endif
 
 if version < 600
@@ -36,18 +39,18 @@ syn case ignore
 syn sync linebreaks=1
 
 "additions to HTML groups
-syn region htmlItalic start="\(^\|\s\)\@<=\*" end="\*\($\|\s\)\@=" keepend
-syn region htmlItalic start="\(^\|\s\)\@<=_" end="_\($\|\s\)\@=" keepend
-syn region htmlBold start="\(^\|\s\)\@<=\*\*" end="\*\*\($\|\s\)\@=" keepend
-syn region htmlBold start="\(^\|\s\)\@<=__" end="__\($\|\s\)\@=" keepend
-syn region htmlBoldItalic start="\(^\|\s\)\@<=\*\*\*" end="\*\*\*\($\|\s\)\@=" keepend
-syn region htmlBoldItalic start="\(^\|\s\)\@<=___" end="___\($\|\s\)\@=" keepend
+syn region htmlItalic start="\\\@<!\*\S\@=" end="\S\@<=\\\@<!\*" keepend oneline
+syn region htmlItalic start="\(^\|\s\)\@<=_\|\\\@<!_\([^_]\+\s\)\@=" end="\S\@<=_\|_\S\@=" keepend oneline
+syn region htmlBold start="\S\@<=\*\*\|\*\*\S\@=" end="\S\@<=\*\*\|\*\*\S\@=" keepend oneline
+syn region htmlBold start="\S\@<=__\|__\S\@=" end="\S\@<=__\|__\S\@=" keepend oneline
+syn region htmlBoldItalic start="\S\@<=\*\*\*\|\*\*\*\S\@=" end="\S\@<=\*\*\*\|\*\*\*\S\@=" keepend oneline
+syn region htmlBoldItalic start="\S\@<=___\|___\S\@=" end="\S\@<=___\|___\S\@=" keepend oneline
 
 " [link](URL) | [link][id] | [link][]
 syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^"    end="\]"
-syn region mkdLink matchgroup=mkdDelimiter      start="\\\@<!\[" end="\]\ze\s*[[(]" contains=@Spell nextgroup=mkdURL,mkdID skipwhite
-syn region mkdID matchgroup=mkdDelimiter        start="\["    end="\]" contained
-syn region mkdURL matchgroup=mkdDelimiter       start="("     end=")"  contained
+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=@Spell nextgroup=mkdURL,mkdID skipwhite oneline
 " 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*/
@@ -66,15 +69,18 @@ syn match  mkdLineBreak    /  \+$/
 syn region mkdBlockquote   start=/^\s*>/                   end=/$/ contains=mkdLineBreak,mkdLineContinue,@Spell
 syn region mkdCode         start=/\(\([^\\]\|^\)\\\)\@<!`/ end=/\(\([^\\]\|^\)\\\)\@<!`/
 syn region mkdCode         start=/\s*``[^`]*/              end=/[^`]*``\s*/
-syn region mkdCode         start=/^```\s*\w*\s*$/          end=/^```\s*$/
+syn region mkdCode         start=/^\s*```\s*[0-9A-Za-z_-]*\s*$/          end=/^\s*```\s*$/
 syn region mkdCode         start="<pre[^>]*>"              end="</pre>"
 syn region mkdCode         start="<code[^>]*>"             end="</code>"
-syn match  mkdCode         /^\s*\n\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/
+syn region mkdFootnote     start="\[^"                     end="\]"
+syn match  mkdCode         /^\s*\n\(\(\s\{8,}[^ ]\|\t\t\+[^\t]\).*\n\)\+/
+syn match  mkdIndentCode   /^\s*\n\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/ contained
 syn match  mkdListItem     "^\s*[-*+]\s\+"
 syn match  mkdListItem     "^\s*\d\+\.\s\+"
+syn region mkdNonListItemBlock start="\n\(\_^\_$\|\s\{4,}[^ ]\|\t+[^\t]\)\@!" end="^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@=" contains=@mkdNonListItem,@Spell
 syn match  mkdRule         /^\s*\*\s\{0,1}\*\s\{0,1}\*$/
 syn match  mkdRule         /^\s*-\s\{0,1}-\s\{0,1}-$/
-syn match  mkdRule         /^\s+_\s\{0,1}_\s\{0,1}_$/
+syn match  mkdRule         /^\s*_\s\{0,1}_\s\{0,1}_$/
 syn match  mkdRule         /^\s*-\{3,}$/
 syn match  mkdRule         /^\s*\*\{3,5}$/
 
@@ -88,9 +94,18 @@ syn region htmlH6       start="^\s*######"              end="\($\|#\+\)" contain
 syn match  htmlH1       /^.\+\n=\+$/ contains=@Spell
 syn match  htmlH2       /^.\+\n-\+$/ contains=@Spell
 
+if get(g:, 'vim_markdown_math', 0)
+  syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$" end="\$"
+  syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$\$" end="\$\$"
+endif
+
+syn cluster mkdNonListItem contains=htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdID,mkdURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdMath,mkdIndentCode,mkdListItem,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6
+
 "highlighting for Markdown groups
 HtmlHiLink mkdString       String
 HtmlHiLink mkdCode          String
+HtmlHiLink mkdIndentCode    String
+HtmlHiLink mkdFootnote    Comment
 HtmlHiLink mkdBlockquote    Comment
 HtmlHiLink mkdLineContinue  Comment
 HtmlHiLink mkdListItem      Identifier
@@ -104,9 +119,19 @@ HtmlHiLink mkdID            Identifier
 HtmlHiLink mkdLinkDef       mkdID
 HtmlHiLink mkdLinkDefTarget mkdURL
 HtmlHiLink mkdLinkTitle     htmlString
-
+HtmlHiLink mkdMath          Statement
 HtmlHiLink mkdDelimiter     Delimiter
 
+" Automatically insert bullets
+setlocal formatoptions+=r
+" Do not automatically insert bullets when auto-wrapping with text-width
+setlocal formatoptions-=c
+" Accept various markers as bullets
+setlocal comments=b:*,b:+,b:-
+
+" Automatically continue blockquote on line break
+setlocal comments+=b:>
+
 let b:current_syntax = "mkd"
 
 delcommand HtmlHiLink