Ticket #23418: 23418.2.diff

wp-includes/formatting.php

@@ -2901 +2901 @@
 
                 case 'illegal_names':
                         if ( ! is_array( $value ) )
-                                $value = explode( "\n", $value );
+                                $value = explode( ' ', $value );
 
                         $value = array_values( array_filter( array_map( 'trim', $value ) ) );