_a(), _ea(), _xa(), attr() are now esc_attr__(), esc_attr_e(), esc_attr_x(), esc_attr() -- still short, but less cryptic. see #9650

git-svn-id: https://develop.svn.wordpress.org/trunk@11204 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/rss.php

@@ -873,7 +873,7 @@ function wp_rss( $url, $num_items = -1 ) {
 			printf(
 				'<li><a href="%1$s" title="%2$s">%3$s</a></li>',
 				clean_url( $item['link'] ),
-				attr( strip_tags( $item['description'] ) ),
+				esc_attr( strip_tags( $item['description'] ) ),
 				htmlentities( $item['title'] )
 			);
 		}