Index: wp-admin/includes/user.php
===================================================================
--- wp-admin/includes/user.php	(revision 26150)
+++ wp-admin/includes/user.php	(working copy)
@@ -184,6 +184,14 @@
 	global $wp_roles;
 
 	$all_roles = $wp_roles->roles;
+
+	/**
+	 * Filter the editable roles.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string $editable_roles List of roles.
+	 */
 	$editable_roles = apply_filters('editable_roles', $all_roles);
 
 	return $editable_roles;
@@ -217,6 +225,14 @@
 function get_users_drafts( $user_id ) {
 	global $wpdb;
 	$query = $wpdb->prepare("SELECT ID, post_title FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'draft' AND post_author = %d ORDER BY post_modified DESC", $user_id);
+
+	/**
+	 * Filter the user's drafts.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param string $query User's drafts.
+	 */
 	$query = apply_filters('get_users_drafts', $query);
 	return $wpdb->get_results( $query );
 }
@@ -257,6 +273,13 @@
 			}
 		}
 
+		/**
+		 * Filter the post types to delete with the user.
+		 *
+		 * @since 2.0.0
+		 *
+		 * @param string $post_types_to_delete Post types to delete.
+		 */
 		$post_types_to_delete = apply_filters( 'post_types_to_delete_with_user', $post_types_to_delete, $id );
 		$post_types_to_delete = implode( "', '", $post_types_to_delete );
 		$post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d AND post_type IN ('$post_types_to_delete')", $id ) );