Merge pull request #65 from 97-109-107/master

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

diff --git a/syntax/mkd.vim b/syntax/mkd.vim
index 29261940f45d3ba5460754f08b8c679d41a8c016..82778c2a93c9049366c5ba250f2d6dac72bd30cc 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
@@ -36,16 +39,18 @@ syn case ignore
 syn sync linebreaks=1
 
 "additions to HTML groups
-syn region htmlBold     start=/\\\@<!\(^\|\A\)\@=\*\@<!\*\*\*\@!/     end=/\\\@<!\*\@<!\*\*\*\@!\($\|\A\)\@=/   contains=@Spell,htmlItalic
-syn region htmlItalic   start=/\\\@<!\(^\|\A\)\@=\*\@<!\*\*\@!/       end=/\\\@<!\*\@<!\*\*\@!\($\|\A\)\@=/      contains=htmlBold,@Spell
-syn region htmlBold     start=/\\\@<!\(^\|\A\)\@=_\@<!___\@!/         end=/\\\@<!_\@<!___\@!\($\|\A\)\@=/       contains=htmlItalic,@Spell
-syn region htmlItalic   start=/\\\@<!\(^\|\A\)\@=_\@<!__\@!/          end=/\\\@<!_\@<!__\@!\($\|\A\)\@=/        contains=htmlBold,@Spell
+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*/
@@ -64,15 +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*[0-9A-Za-z_-]*\s*$/          end=/^```\s*$/
 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,}$/
 syn match  mkdRule         /^\s*\*\{3,5}$/
 
@@ -86,9 +94,13 @@ syn region htmlH6       start="^\s*######"              end="\($\|#\+\)" contain
 syn match  htmlH1       /^.\+\n=\+$/ contains=@Spell
 syn match  htmlH2       /^.\+\n-\+$/ contains=@Spell
 
+syn cluster mkdNonListItem contains=htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdID,mkdURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,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
@@ -105,6 +117,11 @@ HtmlHiLink mkdLinkTitle     htmlString
 
 HtmlHiLink mkdDelimiter     Delimiter
 
+" Automatically insert bullets
+setlocal formatoptions+=r
+" Accept various markers as bullets
+setlocal comments=b:*,b:+,b:-
+
 let b:current_syntax = "mkd"
 
 delcommand HtmlHiLink