Ticket #12905: 12905.diff

wp-includes/post-template.php

@@ -77 +77 @@
         if ( strlen($title) == 0 )
                 return;
 
-        $defaults = array('before' => '', 'after' =>  '', 'echo' => true);
+        $defaults = array('before' => '', 'after' =>  '', 'echo' => true, 'formatted' => '');
+
+        if ( 1 == func_num_args() && is_string( $args ) && false === strpos( $args, '=' ) ) {
+                if ( false !== strpos( $args, '%' ) && $formatted_title = sprintf( $args, $title ) )
+                        $title = $formatted_title;
+                else
+                        $args = array( 'before' => $args );
+        }
+
         $r = wp_parse_args($args, $defaults);
         extract( $r, EXTR_SKIP );
 
+        if ( false === strpos( $formatted, '%' ) && $formatted_title = sprintf( $formatted, $title ) )
+                $title = $formatted_title;
 
         $title = $before . $title . $after;
         $title = esc_attr(strip_tags($title));