Ticket #24682: 24682.3.diff

src/wp-admin/revision.php

@@ -75 +75 @@
         $post_edit_link = get_edit_post_link();
         $post_title     = '<a href="' . $post_edit_link . '">' . _draft_or_post_title() . '</a>';
         $h2             = sprintf( __( 'Compare Revisions of &#8220;%1$s&#8221;' ), $post_title );
-        $return_to_post = '<a href="' . $post_edit_link . '">' . __( '&larr; Return to post editor' ) . '</a>';
+        $return_to_post = '<a href="' . $post_edit_link . '">' . ( is_rtl() ? '&rarr;' : '&larr; ' ) . __( 'Return to post editor' ) . '</a>';
         $title          = __( 'Revisions' );
 
         $redirect = false;