Add tests for single-line emphasis

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

diff --git a/syntax/markdown.vim b/syntax/markdown.vim
index 778e8187d7ca77e00eb1181bed2b37e2d52b81ce..ed348cb2fb0ea9cf5695c6c4f991107af7fc6981 100644 (file)
--- a/syntax/markdown.vim
+++ b/syntax/markdown.vim
@@ -42,12 +42,22 @@ if has('conceal')
 endif
 
 "additions to HTML groups
 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)
+    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
+else
+    " single-line emphasis (emphasis only works with closing token on the same line)
+    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
+endif

 
 " [link](URL) | [link][id] | [link][] | ![image](URL)
 syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^"    end="\]"
 
 " [link](URL) | [link][id] | [link][] | ![image](URL)
 syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^"    end="\]"


@@ -88,11 +98,11 @@ syn match  mkdLineBreak    /  \+$/
 syn region mkdBlockquote   start=/^\s*>/                   end=/$/ contains=mkdLineBreak,@Spell
 syn region mkdCode         start=/\(\([^\\]\|^\)\\\)\@<!`/ end=/\(\([^\\]\|^\)\\\)\@<!`/
 syn region mkdCode         start=/\s*``[^`]*/              end=/[^`]*``\s*/
 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=/^\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>"
+syn region mkdCode         start="<pre[^>]*\\\@<!>"        end="</pre>"
+syn region mkdCode         start="<code[^>]*\\\@<!>"       end="</code>"

 syn region mkdFootnote     start="\[^"                     end="\]"
 syn match  mkdCode         /^\s*\n\(\(\s\{8,}[^ ]\|\t\t\+[^\t]\).*\n\)\+/
 syn match  mkdCode         /\%^\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/
 syn region mkdFootnote     start="\[^"                     end="\]"
 syn match  mkdCode         /^\s*\n\(\(\s\{8,}[^ ]\|\t\t\+[^\t]\).*\n\)\+/
 syn match  mkdCode         /\%^\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/


@@ -110,6 +120,27 @@ syn match  mkdRule         /^\s*\*\{3,5}$/
 if get(g:, 'vim_markdown_frontmatter', 0)
   syn include @yamlTop syntax/yaml.vim
   syn region Comment matchgroup=mkdDelimiter start="\%^---$" end="^---$" contains=@yamlTop
 if get(g:, 'vim_markdown_frontmatter', 0)
   syn include @yamlTop syntax/yaml.vim
   syn region Comment matchgroup=mkdDelimiter start="\%^---$" end="^---$" contains=@yamlTop

+  unlet! b:current_syntax
+endif
+
+if get(g:, 'vim_markdown_toml_frontmatter', 0)
+  try
+    syn include @tomlTop syntax/toml.vim
+    syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$" transparent contains=@tomlTop
+    unlet! b:current_syntax
+  catch /E484/
+    syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$"
+  endtry
+endif
+
+if get(g:, 'vim_markdown_json_frontmatter', 0)
+  try
+    syn include @jsonTop syntax/json.vim
+    syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$" contains=@jsonTop
+    unlet! b:current_syntax
+  catch /E484/
+    syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$"
+  endtry

 endif
 
 if get(g:, 'vim_markdown_math', 0)
 endif
 
 if get(g:, 'vim_markdown_math', 0)