Fix code quotes when ending with backslash

Backslash inside of a backtick should not escape a backtick.
Fix #311

diff --git a/syntax/markdown.vim b/syntax/markdown.vim
index 86b10b0b9bd65b6d0a20fec4668169fd4d29b6d8..d0077a4134843381d61ebbdf46202ae3d518e290 100644 (file)
--- a/syntax/markdown.vim
+++ b/syntax/markdown.vim
@@ -98,7 +98,7 @@ syn match  htmlH2       /^.\+\n-\+$/ contains=mkdLink,mkdInlineURL,@Spell
 "define Markdown groups
 syn match  mkdLineBreak    /  \+$/
 syn region mkdBlockquote   start=/^\s*>/                   end=/$/ contains=mkdLink,mkdInlineURL,mkdLineBreak,@Spell
 "define Markdown groups
 syn match  mkdLineBreak    /  \+$/
 syn region mkdBlockquote   start=/^\s*>/                   end=/$/ contains=mkdLink,mkdInlineURL,mkdLineBreak,@Spell

-execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!`/                     end=/\(\([^\\]\|^\)\\\)\@<!`/'  . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!`/                     end=/`/'  . s:concealcode

 execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!``/ skip=/[^`]`[^`]/   end=/\(\([^\\]\|^\)\\\)\@<!``/' . s:concealcode
 execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/^\s*\z(`\{3,}\)[^`]*$/                       end=/^\s*\z1`*\s*$/'            . s:concealcode
 execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!\~\~/  end=/\(\([^\\]\|^\)\\\)\@<!\~\~/'               . s:concealcode
 execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!``/ skip=/[^`]`[^`]/   end=/\(\([^\\]\|^\)\\\)\@<!``/' . s:concealcode
 execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/^\s*\z(`\{3,}\)[^`]*$/                       end=/^\s*\z1`*\s*$/'            . s:concealcode
 execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!\~\~/  end=/\(\([^\\]\|^\)\\\)\@<!\~\~/'               . s:concealcode

diff --git a/test/syntax.vader b/test/syntax.vader
index fdf9c0be4dac25a3babd4ab3bbb9c8d52482aca2..3baa41f61980468b9bb45f5ad5ed211b707e7d14 100644 (file)
--- a/test/syntax.vader
+++ b/test/syntax.vader
@@ -882,6 +882,23 @@ a
 Execute (not code block in escaped code tag):
   AssertNotEqual SyntaxOf('a'), 'mkdCode'
 
 Execute (not code block in escaped code tag):
   AssertNotEqual SyntaxOf('a'), 'mkdCode'
 

+# Code quotes
+
+Given markdown;
+`a`
+
+Execute (code in code quotes):
+  AssertEqual SyntaxOf('a'), 'mkdCode'
+
+Given markdown;
+`a\` b `c\` d
+
+Execute (code quotes not escaped ending with backslash):
+  AssertEqual SyntaxOf('a\'), 'mkdCode'
+  AssertNotEqual SyntaxOf('b'), 'mkdCode'
+  AssertEqual SyntaxOf('c\'), 'mkdCode'
+  AssertNotEqual SyntaxOf('d'), 'mkdCode'
+

 # Math
 
 Given markdown;
 # Math
 
 Given markdown;