Index: wp-includes/widgets.php
===================================================================
--- wp-includes/widgets.php	(revision 30537)
+++ wp-includes/widgets.php	(working copy)
@@ -131,6 +131,8 @@
 	 *
 	 * This function should be used in form() methods to create id attributes for fields to be saved by update()
 	 *
+	 * @since 2.8.0
+	 *
 	 * @param string $field_name Field name
 	 * @return string ID attribute for $field_name
 	 */
@@ -215,6 +217,7 @@
 	 *
 	 * Finds the instance and calls {@see WP_Widget::widget()}.
 	 *
+	 * @since 2.8.0
 	 * @access public
 	 *
 	 * @param array     $args        Display arguments. See {@see WP_Widget::widget()} for information
@@ -272,6 +275,8 @@
 	 *
 	 * Do NOT over-ride this function.
 	 *
+	 * @since 2.8.0
+	 *
 	 * @param mixed $deprecated Not used.
 	 */
 	public function update_callback( $deprecated = 1 ) {
@@ -353,6 +358,8 @@
 	 * Generate the control form.
 	 *
 	 * Do NOT over-ride this function.
+	 *
+	 * @since 2.8.0
 	 */
 	public function form_callback( $widget_args = 1 ) {
 		if ( is_numeric($widget_args) )