Ticket #24218: 24218.patch

wp-admin/js/post-formats.js

@@ -121 +121 @@
                         description.slideDown( 'fast' );
                 }
 
-                if ( tinymce ) {
+                if ( typeof( tinymce ) != 'undefined' ) {
                         editor = tinymce.get( 'content' );
 
                         if ( editor ) {