Less agressive Redcloth lang attribute parsing (#2091).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2020 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redcloth3.rb

@@ -341,7 +341,7 @@ class RedCloth3 < String
     A_HLGN = /(?:(?:<>|<|>|\=|[()]+)+)/
     A_VLGN = /[\-^~]/
     C_CLAS = '(?:\([^)]+\))'
-    C_LNGE = '(?:\[[^\]]+\])'
+    C_LNGE = '(?:\[[^\[\]]+\])'
     C_STYL = '(?:\{[^}]+\})'
     S_CSPN = '(?:\\\\\d+)'
     S_RSPN = '(?:/\d+)'

test/unit/helpers/application_helper_test.rb

@@ -177,6 +177,7 @@ class ApplicationHelperTest < HelperTestCase
       '[[onlinestore:Unknown page]]' => '<a href="/wiki/onlinestore/Unknown_page" class="wiki-page new">Unknown page</a>',
       # striked through link
       '-[[Another page|Page]]-' => '<del><a href="/wiki/ecookbook/Another_page" class="wiki-page">Page</a></del>',
+      '-[[Another page|Page]] link-' => '<del><a href="/wiki/ecookbook/Another_page" class="wiki-page">Page</a> link</del>',
       # escaping
       '![[Another page|Page]]' => '[[Another page|Page]]',
     }