=== modified file 'includes/common.inc'
--- includes/common.inc	2010-09-05 15:38:16 +0000
+++ includes/common.inc	2010-09-09 13:31:55 +0000
@@ -2398,7 +2398,7 @@ function drupal_deliver_page($page_callb
     // If a delivery callback is specified, but doesn't exist as a function,
     // something is wrong, but don't print anything, since it's not known
     // what format the response needs to be in.
-    watchdog('delivery callback not found', check_plain($delivery_callback) . ': ' . check_plain($_GET['q']), NULL, WATCHDOG_ERROR);
+    watchdog('delivery callback not found', 'callback %callback not found: %q.', array('%callback' => $delivery_callback, '%q' => $_GET['q']), WATCHDOG_ERROR);
   }
 }
 
@@ -2431,7 +2431,7 @@ function drupal_deliver_html_page($page_
         // Print a 404 page.
         drupal_add_http_header('Status', '404 Not Found');
 
-        watchdog('page not found', check_plain($_GET['q']), NULL, WATCHDOG_WARNING);
+        watchdog('page not found', 'page not found: %q.', array('%q' => $_GET['q']), WATCHDOG_WARNING);
 
         // Keep old path for reference, and to allow forms to redirect to it.
         if (!isset($_GET['destination'])) {
@@ -2460,7 +2460,7 @@ function drupal_deliver_html_page($page_
       case MENU_ACCESS_DENIED:
         // Print a 403 page.
         drupal_add_http_header('Status', '403 Forbidden');
-        watchdog('access denied', check_plain($_GET['q']), NULL, WATCHDOG_WARNING);
+        watchdog('access denied', 'access denied: %q', array('%q' => $_GET['q']), WATCHDOG_WARNING);
 
         // Keep old path for reference, and to allow forms to redirect to it.
         if (!isset($_GET['destination'])) {

=== modified file 'modules/comment/comment.admin.inc'
--- modules/comment/comment.admin.inc	2010-07-24 17:28:25 +0000
+++ modules/comment/comment.admin.inc	2010-09-09 13:32:08 +0000
@@ -273,7 +273,7 @@ function comment_confirm_delete_submit($
   // Delete the comment and its replies.
   comment_delete($comment->cid);
   drupal_set_message(t('The comment and all its replies have been deleted.'));
-  watchdog('content', t('Deleted comment @cid and its replies.', array('@cid' => $comment->cid)));
+  watchdog('content', 'Deleted comment @cid and its replies.', array('@cid' => $comment->cid));
   // Clear the cache so an anonymous user sees that his comment was deleted.
   cache_clear_all();