Ticket #18138: 18138.diff

post.php

@@ -1774 +1774 @@
         global $content_width, $post;
 
         $width = isset($content_width) && 800 > $content_width ? $content_width : 800;
-        $width = $width + 10; // compensate for the padding
+        $width = $width + 22; // compensate for the padding and border
         $dfw_width = get_user_setting( 'dfw_width', $width );
         $save = isset($post->post_status) && $post->post_status == 'publish' ? __('Update') : __('Save');
 ?>