Index: modules/comment/comment.api.php
===================================================================
RCS file: /cvs/drupal/drupal/modules/comment/comment.api.php,v
retrieving revision 1.15
diff -u -p -r1.15 comment.api.php
--- modules/comment/comment.api.php	26 Dec 2009 16:50:08 -0000	1.15
+++ modules/comment/comment.api.php	9 Feb 2010 11:56:54 -0000
@@ -89,7 +89,7 @@ function hook_comment_view($comment) {
  *
  * @see comment_view()
  */
-function hook_comment_view_alter($build) {
+function hook_comment_view_alter(&$build) {
   // Check for the existence of a field added by another module.
   if ($build['#view_mode'] == 'full' && isset($build['an_additional_field'])) {
     // Change its weight.
Index: modules/node/node.api.php
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.api.php,v
retrieving revision 1.60
diff -u -p -r1.60 node.api.php
--- modules/node/node.api.php	5 Feb 2010 22:24:12 -0000	1.60
+++ modules/node/node.api.php	9 Feb 2010 11:57:33 -0000
@@ -591,7 +591,7 @@ function hook_node_view($node, $view_mod
  *
  * @see node_view()
  */
-function hook_node_view_alter($build) {
+function hook_node_view_alter(&$build) {
   if ($build['#view_mode'] == 'full' && isset($build['an_additional_field'])) {
     // Change its weight.
     $build['an_additional_field']['#weight'] = -10;
Index: modules/user/user.api.php
===================================================================
RCS file: /cvs/drupal/drupal/modules/user/user.api.php,v
retrieving revision 1.19
diff -u -p -r1.19 user.api.php
--- modules/user/user.api.php	9 Jan 2010 23:03:21 -0000	1.19
+++ modules/user/user.api.php	9 Feb 2010 11:57:53 -0000
@@ -345,7 +345,7 @@ function hook_user_view($account, $view_
  *
  * @see user_view()
  */
-function hook_user_view_alter($build) {
+function hook_user_view_alter(&$build) {
   // Check for the existence of a field added by another module.
   if (isset($build['an_additional_field'])) {
     // Change its weight.