Ticket #1835: 1835.diff

link-template.php

@@ -387 +387 @@
         if ( !$post )
                 return;
 
-        $title = apply_filters('the_title', $post->post_title, $post);
+        $title = $post->post_title;
+
+        if ( empty($post->post_title) )
+                $title = 'Previous Post';
+
+        $title = apply_filters('the_title', $title, $post);
         $string = '<a href="'.get_permalink($post->ID).'">';
         $link = str_replace('%title', $title, $link);
         $link = $pre . $string . $link . '</a>';
@@ -403 +408 @@
         if ( !$post )
                 return;
 
-        $title = apply_filters('the_title', $post->post_title, $post);
+        $title = $post->post_title;
+
+        if ( empty($post->post_title) )
+                $title = 'Next Post';
+
+        $title = apply_filters('the_title', $title, $post);
         $string = '<a href="'.get_permalink($post->ID).'">';
         $link = str_replace('%title', $title, $link);
         $link = $string . $link . '</a>';