fixed regex

diff --git a/includes/Parser.php b/includes/Parser.php
index 807f544..283fc6f 100644 (file)
--- a/includes/Parser.php
+++ b/includes/Parser.php
@@ -1220,7 +1220,7 @@ class Parser
                }
 
                # Double brace substitution
-               $regex = "/(\\n?){{([$titleChars]*?({{[$titleChars]+}})?)(\\|.*?|)}}/s";
+               $regex = "/(\\n?){{([$titleChars{}_]*)(\\|.*?|)}}/s";
                $text = preg_replace_callback( $regex, "wfBraceSubstitution", $text );
 
                array_pop( $this->mArgStack );