From df74052f1e93435b50233ce33d1f4fd27e795690 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.spb.ru>
Date: Fri, 8 Dec 2006 08:47:15 +0100
Subject: [PATCH] tag filter action - block empty tags

---
 functions.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/functions.php b/functions.php
index dbc432358..a65a1a009 100644
--- a/functions.php
+++ b/functions.php
@@ -762,7 +762,7 @@
 					$manual_tags = trim_array(split(",", $filter_param));
 
 					foreach ($manual_tags as $tag) {
-						if (!preg_match("/^[0-9]*$/", $tag)) {
+						if (!preg_match("/^[0-9]*$/", $tag) && $tag != '') {
 							array_push($entry_tags, $tag);
 						}
 					}