Index: modules/comment/comment.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/comment/comment.module,v
retrieving revision 1.616
diff -u -p -r1.616 comment.module
--- modules/comment/comment.module	10 Jan 2008 15:03:53 -0000	1.616
+++ modules/comment/comment.module	24 Jan 2008 17:15:52 -0000
@@ -542,7 +542,7 @@ function comment_form_alter(&$form, $for
         COMMENT_ANONYMOUS_MUST_CONTACT => t('Anonymous posters must leave their contact information')),
       '#description' => t('This option is enabled when anonymous users have permission to post comments on the <a href="@url">permissions page</a>.', array('@url' => url('admin/user/permissions', array('fragment' => 'module-comment')))),
     );
-    if (!user_access('post comments', user_load(array('uid' => 0)))) {
+    if (!user_access('post comments', drupal_anonymous_user())) {
       $form['comment']['comment_anonymous']['#disabled'] = TRUE;
     }
     $form['comment']['comment_subject_field'] = array(
Index: modules/system/system.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.admin.inc,v
retrieving revision 1.59
diff -u -p -r1.59 system.admin.inc
--- modules/system/system.admin.inc	24 Jan 2008 10:59:29 -0000	1.59
+++ modules/system/system.admin.inc	24 Jan 2008 17:15:54 -0000
@@ -582,7 +582,7 @@ function _system_is_incompatible(&$incom
   }
   // The 'dependencies' key in .info files was a string in Drupal 5, but changed
   // to an array in Drupal 6. If it is not an array, the module is not
-  // compatible and we can skip the check below which requires an array. 
+  // compatible and we can skip the check below which requires an array.
   if (!is_array($file->info['dependencies'])) {
     $file->info['dependencies'] = array();
     $incompatible[$file->name] = TRUE;
@@ -1694,7 +1694,7 @@ function system_status($check = FALSE) {
   include_once './includes/install.inc';
   drupal_load_updates();
 
-  // Check run-time requirements and status information
+  // Check run-time requirements and status information.
   $requirements = module_invoke_all('requirements', 'runtime');
   usort($requirements, '_system_sort_requirements');
 
Index: modules/user/user.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/user/user.module,v
retrieving revision 1.889
diff -u -p -r1.889 user.module
--- modules/user/user.module	22 Jan 2008 07:51:56 -0000	1.889
+++ modules/user/user.module	24 Jan 2008 17:15:55 -0000
@@ -180,6 +180,12 @@ function user_load($array = array()) {
     }
     user_module_invoke('load', $array, $user);
   }
+  else if ($array['uid'] == 0) {
+    // MySQL import might have set the uid of the anonymous user to
+    // autoincrement value. Let's try fixing it.
+    db_query("UPDATE {users} SET uid = uid - uid WHERE name = '' AND pass = '' AND status = 0");
+    $user = drupal_anonymous_user();
+  }
   else {
     $user = FALSE;
   }