From a3b72d9e3be5177936c650603114f364b453318c Mon Sep 17 00:00:00 2001
From: Evan Prodromou <git@evanprodromou.name>
Date: Sat, 10 Jan 2009 14:57:37 -0500
Subject: [PATCH] Better check on blank tag

---
 actions/tagrss.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/actions/tagrss.php b/actions/tagrss.php
index 00e549281b..8a14615695 100644
--- a/actions/tagrss.php
+++ b/actions/tagrss.php
@@ -28,7 +28,7 @@ class TagrssAction extends Rss10Action {
 	function init() {
 		$tag = $this->trimmed('tag');
 
-        if (!$tag) {
+        if (!isset($tag) || mb_strlen($tag) == 0) {
 			common_user_error(_('No tag.'));
 			return false;
         }