Index: wp-includes/general-template.php
===================================================================
--- wp-includes/general-template.php	(revision 21852)
+++ wp-includes/general-template.php	(working copy)
@@ -147,6 +147,7 @@
  *
  * @since 2.7.0
  * @param boolean $echo Default to echo and not return the form.
+ * @return string|null String when retrieving, null when displaying or if searchform.php exists.
  */
 function get_search_form($echo = true) {
 	do_action( 'get_search_form' );
@@ -181,6 +182,7 @@
  *
  * @param string $redirect Optional path to redirect to on login/logout.
  * @param boolean $echo Default to echo and not return the link.
+ * @return string|null String when retrieving, null when displaying.
  */
 function wp_loginout($redirect = '', $echo = true) {
 	if ( ! is_user_logged_in() )
@@ -205,6 +207,7 @@
  * @uses apply_filters() calls 'logout_url' hook on final logout url
  *
  * @param string $redirect Path to redirect to on logout.
+ * @return string A log out URL.
  */
 function wp_logout_url($redirect = '') {
 	$args = array( 'action' => 'logout' );
@@ -229,7 +232,7 @@
  *
  * @param string $redirect Path to redirect to on login.
  * @param bool $force_reauth Whether to force reauthorization, even if a cookie is present. Default is false.
- * @return string A log in url
+ * @return string A log in URL.
  */
 function wp_login_url($redirect = '', $force_reauth = false) {
 	$login_url = site_url('wp-login.php', 'login');
@@ -248,8 +251,8 @@
  * the HTML immediately. Pass array('echo'=>false) to return the string instead.
  *
  * @since 3.0.0
- * @param array $args Configuration options to modify the form output
- * @return Void, or string containing the form
+ * @param array $args Configuration options to modify the form output.
+ * @return string|null String when retrieving, null when displaying.
  */
 function wp_login_form( $args = array() ) {
 	$defaults = array( 'echo' => true,
@@ -305,6 +308,7 @@
  * @uses apply_filters() calls 'lostpassword_url' hook on the lostpassword url
  *
  * @param string $redirect Path to redirect to on login.
+ * @return string Lost password URL.
  */
 function wp_lostpassword_url( $redirect = '' ) {
 	$args = array( 'action' => 'lostpassword' );
@@ -328,6 +332,7 @@
  * @param string $before Text to output before the link (defaults to <li>).
  * @param string $after Text to output after the link (defaults to </li>).
  * @param boolean $echo Default to echo and not return the link.
+ * @return string|null String when retrieving, null when displaying.
  */
 function wp_register( $before = '<li>', $after = '</li>', $echo = true ) {
 
@@ -861,6 +866,7 @@
  * @since 1.2.0
  *
  * @param string|array $args Optional. Override defaults.
+ * @return string|null String when retrieving, null when displaying.
  */
 function wp_get_archives($args = '') {
 	global $wpdb, $wp_locale;
@@ -1062,6 +1068,7 @@
  *
  * @param bool $initial Optional, default is true. Use initial calendar names.
  * @param bool $echo Optional, default is true. Set to false for return.
+ * @return string|null String when retrieving, null when displaying.
  */
 function get_calendar($initial = true, $echo = true) {
 	global $wpdb, $m, $monthnum, $year, $wp_locale, $posts;
@@ -2255,8 +2262,8 @@
  * @since 2.8.0
  * @access private
  *
- * @param any $helper One of the values to compare
- * @param any $current (true) The other value to compare if not just true
+ * @param mixed $helper One of the values to compare
+ * @param mixed $current (true) The other value to compare if not just true
  * @param bool $echo Whether to echo or just return the string
  * @param string $type The type of checked|selected|disabled we are doing
  * @return string html attribute or empty string