- removed errors on empty meta tags:

  http://www.drupal.org/node.php?id=21

modules/meta.module

@@ -31,7 +31,7 @@ function meta_form($type, $edit = array()) {
     $t = db_query("SELECT * FROM tag WHERE collections LIKE '%$collection->name%' ORDER BY name");
 
     while ($tag = db_fetch_object($t)) {
-      if (strstr($edit[attributes], $tag->attributes)) {
+      if (@strstr($edit[attributes], $tag->attributes)) {
         $edit[$collection->name] = $tag->attributes;
       }
       $array[$tag->attributes] = $tag->name;