From 07f5c794b9885bf53dd5c9c9c6b72a5bb135ec67 Mon Sep 17 00:00:00 2001
From: Hiroshi Shirosaki <h.shirosaki@gmail.com>
Date: Tue, 19 Jan 2016 22:29:22 +0900
Subject: [PATCH] Not allow space in link

No spaces between link text and the following parenthesis.
http://spec.commonmark.org/0.24/#example-474
---
 syntax/markdown.vim | 2 +-
 test/syntax.vader   | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/syntax/markdown.vim b/syntax/markdown.vim
index 46eb5a9..92c6c56 100644
--- a/syntax/markdown.vim
+++ b/syntax/markdown.vim
@@ -53,7 +53,7 @@ syn region htmlBoldItalic start="___\ze\S" end="\S\zs___" keepend oneline
 syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^"    end="\]"
 execute 'syn region mkdID matchgroup=mkdDelimiter    start="\["    end="\]" contained oneline' . s:conceal
 execute 'syn region mkdURL matchgroup=mkdDelimiter   start="("     end=")"  contained oneline' . s:conceal
-execute 'syn region mkdLink matchgroup=mkdDelimiter  start="\\\@<!!\?\[" end="\]\ze\s*[[(]" contains=@mkdNonListItem,@Spell nextgroup=mkdURL,mkdID skipwhite oneline' . s:concealends
+execute 'syn region mkdLink matchgroup=mkdDelimiter  start="\\\@<!!\?\[" end="\]\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
diff --git a/test/syntax.vader b/test/syntax.vader
index e63ce7e..c438dad 100644
--- a/test/syntax.vader
+++ b/test/syntax.vader
@@ -98,6 +98,13 @@ Execute (multiple links on a line):
   AssertNotEqual SyntaxOf('c'), 'mkdLink'
   AssertNotEqual SyntaxOf('c'), 'mkdURL'
 
+Given markdown;
+[a] (b)
+
+Execute (space is not allowed between link text and parenthesis):
+  AssertNotEqual SyntaxOf('a'), 'mkdLink'
+  AssertNotEqual SyntaxOf('b'), 'mkdURL'
+
 Given markdown;
 [a](b)
 
-- 
2.39.5