doctrine#44 - reverting doctrine#44 patch by using a matcher that all…

…ows a longer sequence to be parsed

Note that this doesn't solve the stack overflow issue with `preg_split()`, but just increases the size of the string that could be matched.

lib/Doctrine/Common/Annotations/DocLexer.php

@@ -84,7 +84,7 @@ protected function getCatchablePatterns()
         return array(
             '[a-z_\\\][a-z0-9_\:\\\]*[a-z_][a-z0-9_]*',
             '(?:[+-]?[0-9]+(?:[\.][0-9]+)*)(?:[eE][+-]?[0-9]+)?',
-            '"(?:[^"])*"',
+            '"(?:""|[^"])*"',
         );
     }