fixed an issue where when the user has no personal tags defined, he/she sees an empty line in tags page

blog/tags.html

@@ -42,8 +42,14 @@ print_heading(get_string('tagmanagement'));
             <select name="tags[]" multiple="multiple" size="8">
             <?php
                 $ptags1 = get_records_sql('SELECT * from '.$CFG->prefix.'tags WHERE type=\'personal\' AND userid = '.$USER->id.' ORDER by text ASC');
-                $ptags2 = get_records_sql('SELECT * from '.$CFG->prefix.'tags WHERE type=\'personal\' AND userid <> '.$USER->id.' ORDER by text ASC');;
-                $ptags = array_merge($ptags1, $ptags2);
+                $ptags2 = get_records_sql('SELECT * from '.$CFG->prefix.'tags WHERE type=\'personal\' AND userid <> '.$USER->id.' ORDER by text ASC');
+                
+                if (!empty($ptags1)) {
+                    $ptags = array_merge($ptags1, $ptags2);
+                } else {
+                    $ptags = $ptags2;
+                }
+
                 foreach ($ptags as $ptag) {
                     echo '<option value="'.$ptag->id.'">'.$ptag->text.'</option>';
                 }

blog/tags.php

@@ -71,7 +71,7 @@ switch ($mode) {
 
                 // you can only delete your own tags, or you have to be an admin
                 if (!isadmin() and $USER->id != $blogtag->userid) {
-                    notify('no right to delete');
+                    notify(get_string('norighttodeletetag','blog', $blogtag->text));
                     continue;
                 }