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	Index: branches/5.2.x/core/kernel/db/db_tag_processor.php
	===================================================================
	--- branches/5.2.x/core/kernel/db/db_tag_processor.php
	+++ branches/5.2.x/core/kernel/db/db_tag_processor.php
	@@ -1959,7 +1959,8 @@
	$title = $this->Application->ReplaceLanguageTags($title, false);

	// 3. find and replace any replacement vars
	- preg_match_all('/#(._.)#/Uis',$title,$rets);
	+ preg_match_all('/#([a-z\d\-]+?_[a-z\d]+?)#/is', $title, $rets);
	+
	if ($rets[1]) {
	$replacement_vars = array_keys( array_flip($rets[1]) );
	foreach ($replacement_vars as $replacement_var) {