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-rw-r--r--phpBB/includes/functions_template.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/phpBB/includes/functions_template.php b/phpBB/includes/functions_template.php
index 0cdd5d21a3..cf85927028 100644
--- a/phpBB/includes/functions_template.php
+++ b/phpBB/includes/functions_template.php
@@ -463,7 +463,7 @@ class template_filter extends php_user_filter
private function compile_tag_define($tag_args, $op)
{
$match = array();
- preg_match('#^((?:[a-z0-9\-_]+\.)+)?\$(?=[A-Z])([A-Z0-9_\-]*) = (.*?)$#', $tag_args, $match);
+ preg_match('#^((?:[a-z0-9\-_]+\.)+)?\$(?=[A-Z])([A-Z0-9_\-]*)(?: = (.*?))?$#', $tag_args, $match);
if (empty($match[2]) || (!isset($match[3]) && $op))
{