Ticket #13120: editor-syle-rtl.patch

wp-includes/theme.php

@@ -1572 +1572 @@
         global $editor_styles;
         $editor_styles = (array) $editor_styles;
         $stylesheet    = (array) $stylesheet;
+        if ('rtl' == get_bloginfo('text_direction') ) {
+                $rtl_stylesheet = str_replace('.css', '-rtl.css', $stylesheet[0]);
+                $stylesheet[] = $rtl_stylesheet;
+        }
+
         $editor_styles = array_merge( $editor_styles, $stylesheet );
 }
-
 /**
  * Allows a theme to register its support of a certain feature
  *