Index: kernel/db/db_tag_processor.php
===================================================================
--- kernel/db/db_tag_processor.php	(revision 14767)
+++ kernel/db/db_tag_processor.php	(working copy)
@@ -1163,7 +1163,13 @@
 			$empty_label = isset($params['empty_label']) ? $params['empty_label'] : '';
 
 			if ( $empty_label ) {
-				$empty_label = $this->Application->Phrase($empty_label, false);
+				if ( mb_substr($empty_label, 0, 1) == '+' ) {
+					// using plain text instead of phrase label
+					$empty_label = mb_substr($empty_label, 1);
+				}
+				else {
+					$empty_label = $this->Application->Phrase($empty_label, false);
+				}
 			}
 
 			// don't use other array merge function, because they will reset keys !!!