fixed bug in handling null last_read values on headline update

diff --git a/functions.php b/functions.php
index bafb8d08e8238d1d84d8e03836ca4ec82cc491ca..ef3bfa98e78b3fd5c99579a5111d2c547d288ed3 100644 (file)
--- a/functions.php
+++ b/functions.php
@@ -112,7 +112,7 @@
 //                                     if ($md5_hash != $content_md5 && CONTENT_CHECK_MD5) 
 //                                             $unread = "true";
 
-                                       if ($md5_hash != $content_md5) {
+                                       if (!$last_read || $md5_hash != $content_md5) {
                                                $last_read = 'null';
                                        } else {
                                                $last_read = "'$last_read'";