Ticket #11052: 11052.diff

wp-includes/post.php

@@ -1610 +1610 @@
                 $previous_status = 'new';
         }
 
-        if ( ('' == $post_content) && ('' == $post_title) && ('' == $post_excerpt) ) {
+        if ( ('' == $post_content) && ('' == $post_title) && ('' == $post_excerpt) && ('attachment' != $post_type) ) {
                 if ( $wp_error )
                         return new WP_Error('empty_content', __('Content, title, and excerpt are empty.'));
                 else