Ticket #30187: filter.class-wp-editor.php.diff

src/wp-includes/class-wp-editor.php

@@ -527 +531 @@
                                  *
                                  * @param array $stylesheets Comma-delimited list of stylesheets.
                                  */
-                                $mce_css = trim( apply_filters( 'mce_css', implode( ',', $mce_css ) ), ' ,' );
+                                $mce_css = trim( apply_filters( 'mce_css', implode( ',', $mce_css ), $set ), ' ,' );
 
                                 if ( ! empty($mce_css) )
                                         self::$first_init['content_css'] = $mce_css;
+ No newline at end of file