Do not recognize invalid textile attributes.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8902 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redcloth3.rb

@@ -340,9 +340,9 @@ class RedCloth3 < String
     #
     A_HLGN = /(?:(?:<>|<|>|\=|[()]+)+)/
     A_VLGN = /[\-^~]/
-    C_CLAS = '(?:\([^)]+\))'
-    C_LNGE = '(?:\[[^\[\]]+\])'
-    C_STYL = '(?:\{[^}]+\})'
+    C_CLAS = '(?:\([^")]+\))'
+    C_LNGE = '(?:\[[^"\[\]]+\])'
+    C_STYL = '(?:\{[^"}]+\})'
     S_CSPN = '(?:\\\\\d+)'
     S_RSPN = '(?:/\d+)'
     A = "(?:#{A_HLGN}?#{A_VLGN}?|#{A_VLGN}?#{A_HLGN}?)"