Index: modules/aggregator/aggregator.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/aggregator/aggregator.pages.inc,v
retrieving revision 1.20
diff -u -p -r1.20 aggregator.pages.inc
--- modules/aggregator/aggregator.pages.inc	12 Oct 2008 06:27:03 -0000	1.20
+++ modules/aggregator/aggregator.pages.inc	12 Oct 2008 22:53:49 -0000
@@ -37,7 +37,7 @@ function aggregator_page_source($arg1, $
   // $arg1 is $form_state and $arg2 is $feed. Otherwise, $arg1 is $feed.
   $feed = is_array($arg2) ? $arg2 : $arg1;
   $feed = (object)$feed;
-  drupal_set_title(check_plain($feed->title));
+  drupal_set_title($feed->title);
   $feed_source = theme('aggregator_feed_source', $feed);
 
   // It is safe to include the fid in the query because it's loaded from the
Index: modules/block/block.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/block/block.admin.inc,v
retrieving revision 1.21
diff -u -p -r1.21 block.admin.inc
--- modules/block/block.admin.inc	12 Oct 2008 06:27:03 -0000	1.21
+++ modules/block/block.admin.inc	12 Oct 2008 22:53:49 -0000
@@ -174,7 +174,7 @@ function block_admin_configure(&$form_st
   // Get the block subject for the page title.
   $info = module_invoke($module, 'block', 'list');
   if (isset($info[$delta])) {
-    drupal_set_title(t("'%name' block", array('%name' => $info[$delta]['info'])));
+    drupal_set_title(t("'%name' block", array('%name' => $info[$delta]['info'])), PASS_THROUGH);
   }
 
   // Standard block configurations.
Index: modules/blog/blog.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/blog/blog.pages.inc,v
retrieving revision 1.13
diff -u -p -r1.13 blog.pages.inc
--- modules/blog/blog.pages.inc	12 Oct 2008 06:27:03 -0000	1.13
+++ modules/blog/blog.pages.inc	12 Oct 2008 22:53:49 -0000
@@ -12,7 +12,7 @@
 function blog_page_user($account) {
   global $user;
 
-  drupal_set_title($title = t("@name's blog", array('@name' => $account->name)));
+  drupal_set_title($title = t("@name's blog", array('@name' => $account->name)), PASS_THROUGH);
 
   $items = array();
 
Index: modules/book/book.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/book/book.admin.inc,v
retrieving revision 1.14
diff -u -p -r1.14 book.admin.inc
--- modules/book/book.admin.inc	12 Oct 2008 06:27:04 -0000	1.14
+++ modules/book/book.admin.inc	12 Oct 2008 22:53:49 -0000
@@ -70,7 +70,7 @@ function book_admin_settings_validate($f
  * @ingroup forms.
  */
 function book_admin_edit($form_state, $node) {
-  drupal_set_title(check_plain($node->title));
+  drupal_set_title($node->title);
   $form = array();
   $form['#node'] = $node;
   _book_admin_table($node, $form);
Index: modules/book/book.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/book/book.pages.inc,v
retrieving revision 1.10
diff -u -p -r1.10 book.pages.inc
--- modules/book/book.pages.inc	12 Oct 2008 06:27:04 -0000	1.10
+++ modules/book/book.pages.inc	12 Oct 2008 22:53:50 -0000
@@ -90,7 +90,7 @@ function book_export_html($nid) {
  * Menu callback; show the outline form for a single node.
  */
 function book_outline($node) {
-  drupal_set_title(check_plain($node->title));
+  drupal_set_title($node->title);
   return drupal_get_form('book_outline_form', $node);
 }
 
Index: modules/comment/comment.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/comment/comment.module,v
retrieving revision 1.657
diff -u -p -r1.657 comment.module
--- modules/comment/comment.module	12 Oct 2008 06:27:04 -0000	1.657
+++ modules/comment/comment.module	12 Oct 2008 22:53:51 -0000
@@ -1442,7 +1442,7 @@ function comment_form_box($edit, $title 
 function comment_form_add_preview($form, &$form_state) {
   global $user;
   $edit = $form_state['values'];
-  drupal_set_title(t('Preview comment'));
+  drupal_set_title(t('Preview comment'), PASS_THROUGH);
   $output = '';
   $node = node_load($edit['nid']);
 
Index: modules/contact/contact.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/contact/contact.pages.inc,v
retrieving revision 1.14
diff -u -p -r1.14 contact.pages.inc
--- modules/contact/contact.pages.inc	12 Oct 2008 06:27:04 -0000	1.14
+++ modules/contact/contact.pages.inc	12 Oct 2008 22:53:51 -0000
@@ -164,7 +164,7 @@ function contact_user_page($account) {
     $output = t("You cannot send more than %number messages per hour. Please try again later.", array('%number' => variable_get('contact_hourly_threshold', 3)));
   }
   else {
-    drupal_set_title(check_plain($account->name));
+    drupal_set_title($account->name);
     $output = drupal_get_form('contact_mail_user', $account);
   }
 
Index: modules/filter/filter.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/filter/filter.admin.inc,v
retrieving revision 1.15
diff -u -p -r1.15 filter.admin.inc
--- modules/filter/filter.admin.inc	12 Oct 2008 06:27:04 -0000	1.15
+++ modules/filter/filter.admin.inc	12 Oct 2008 22:53:51 -0000
@@ -94,7 +94,7 @@ function theme_filter_admin_overview($fo
  */
 function filter_admin_format_page($format = NULL) {
   if (!isset($format->name)) {
-    drupal_set_title(t("Add input format"));
+    drupal_set_title(t('Add input format'), PASS_THROUGH);
     $format = (object)array('name' => '', 'roles' => '', 'format' => '');
   }
   return drupal_get_form('filter_admin_format_form', $format);
@@ -302,7 +302,7 @@ function filter_admin_delete_submit($for
  * Menu callback; display settings defined by a format's filters.
  */
 function filter_admin_configure_page($format) {
-  drupal_set_title(t("Configure %format", array('%format' => $format->name)));
+  drupal_set_title(t("Configure %format", array('%format' => $format->name)), PASS_THROUGH);
   return drupal_get_form('filter_admin_configure', $format);
 }
 
@@ -343,7 +343,7 @@ function filter_admin_configure_submit($
  * Menu callback; display form for ordering filters for a format.
  */
 function filter_admin_order_page($format) {
-  drupal_set_title(t("Rearrange %format", array('%format' => $format->name)));
+  drupal_set_title(t("Rearrange %format", array('%format' => $format->name)), PASS_THROUGH);
   return drupal_get_form('filter_admin_order', $format);
 }
 
Index: modules/forum/forum.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/forum/forum.module,v
retrieving revision 1.469
diff -u -p -r1.469 forum.module
--- modules/forum/forum.module	12 Oct 2008 06:27:04 -0000	1.469
+++ modules/forum/forum.module	12 Oct 2008 22:53:52 -0000
@@ -723,7 +723,7 @@ function template_preprocess_forums(&$va
     }
   }
   drupal_set_breadcrumb($breadcrumb);
-  drupal_set_title(check_plain($title));
+  drupal_set_title($title);
 
   if ($variables['forums_defined'] = count($variables['forums']) || count($variables['parents'])) {
     // Format the "post new content" links listing.
@@ -784,7 +784,7 @@ function template_preprocess_forums(&$va
 
   }
   else {
-    drupal_set_title(t('No forums defined'));
+    drupal_set_title(t('No forums defined'), PASS_THROUGH);
     $variables['links'] = array();
     $variables['forums'] = '';
     $variables['topics'] = '';
Index: modules/node/node.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.module,v
retrieving revision 1.987
diff -u -p -r1.987 node.module
--- modules/node/node.module	12 Oct 2008 19:00:55 -0000	1.987
+++ modules/node/node.module	12 Oct 2008 22:53:53 -0000
@@ -1142,7 +1142,7 @@ function node_build_content($node, $teas
  */
 function node_show($node, $cid, $message = FALSE) {
   if ($message) {
-    drupal_set_title(t('Revision of %title from %date', array('%title' => $node->title, '%date' => format_date($node->revision_timestamp))));
+    drupal_set_title(t('Revision of %title from %date', array('%title' => $node->title, '%date' => format_date($node->revision_timestamp))), PASS_THROUGH);
   }
   $output = node_view($node, FALSE, TRUE);
 
@@ -1857,7 +1857,7 @@ function node_page_default() {
  * Menu callback; view a single node.
  */
 function node_page_view($node, $cid = NULL) {
-  drupal_set_title(check_plain($node->title));
+  drupal_set_title($node->title);
   return node_show($node, $cid);
 }
 
Index: modules/node/node.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.pages.inc,v
retrieving revision 1.44
diff -u -p -r1.44 node.pages.inc
--- modules/node/node.pages.inc	12 Oct 2008 06:27:04 -0000	1.44
+++ modules/node/node.pages.inc	12 Oct 2008 22:53:54 -0000
@@ -11,7 +11,7 @@
  * Menu callback; presents the node editing form, or redirects to delete confirmation.
  */
 function node_page_edit($node) {
-  drupal_set_title(check_plain($node->title));
+  drupal_set_title($node->title);
   return drupal_get_form($node->type . '_node_form', $node);
 }
 
@@ -59,7 +59,7 @@ function node_add($type) {
     // Initialize settings:
     $node = array('uid' => $user->uid, 'name' => (isset($user->name) ? $user->name : ''), 'type' => $type, 'language' => '');
 
-    drupal_set_title(t('Create @name', array('@name' => $types[$type]->name)));
+    drupal_set_title(t('Create @name', array('@name' => $types[$type]->name)), PASS_THROUGH);
     $output = drupal_get_form($type . '_node_form', $node);
   }
 
@@ -381,7 +381,7 @@ function node_preview($node) {
       $cloned_node->build_mode = NODE_BUILD_PREVIEW;
       $output = theme('node_preview', $cloned_node);
     }
-    drupal_set_title(t('Preview'));
+    drupal_set_title(t('Preview'), PASS_THROUGH);
 
     return $output;
   }
@@ -504,7 +504,7 @@ function node_delete_confirm_submit($for
  * Generate an overview table of older revisions of a node.
  */
 function node_revision_overview($node) {
-  drupal_set_title(t('Revisions for %title', array('%title' => $node->title)));
+  drupal_set_title(t('Revisions for %title', array('%title' => $node->title)), PASS_THROUGH);
 
   $header = array(t('Revision'), array('data' => t('Operations'), 'colspan' => 2));
 
Index: modules/openid/openid.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/openid/openid.pages.inc,v
retrieving revision 1.9
diff -u -p -r1.9 openid.pages.inc
--- modules/openid/openid.pages.inc	12 Oct 2008 06:27:04 -0000	1.9
+++ modules/openid/openid.pages.inc	12 Oct 2008 22:53:54 -0000
@@ -28,7 +28,7 @@ function openid_authentication_page() {
  * Menu callback; Manage OpenID identities for the specified user.
  */
 function openid_user_identities($account) {
-  drupal_set_title(check_plain($account->name));
+  drupal_set_title($account->name);
   drupal_add_css(drupal_get_path('module', 'openid') . '/openid.css', 'module');
 
   // Check to see if we got a response
Index: modules/path/path.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/path/path.admin.inc,v
retrieving revision 1.13
diff -u -p -r1.13 path.admin.inc
--- modules/path/path.admin.inc	12 Oct 2008 06:27:04 -0000	1.13
+++ modules/path/path.admin.inc	12 Oct 2008 22:53:54 -0000
@@ -66,7 +66,7 @@ function path_admin_overview($keys = NUL
 function path_admin_edit($pid = 0) {
   if ($pid) {
     $alias = path_load($pid);
-    drupal_set_title(check_plain($alias['dst']));
+    drupal_set_title($alias['dst']);
     $output = drupal_get_form('path_admin_form', $alias);
   }
   else {
Index: modules/poll/poll.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/poll/poll.pages.inc,v
retrieving revision 1.8
diff -u -p -r1.8 poll.pages.inc
--- modules/poll/poll.pages.inc	12 Oct 2008 06:27:05 -0000	1.8
+++ modules/poll/poll.pages.inc	12 Oct 2008 22:53:54 -0000
@@ -28,7 +28,7 @@ function poll_page() {
  * Callback for the 'votes' tab for polls you can see other votes on
  */
 function poll_votes($node) {
-  drupal_set_title(check_plain($node->title));
+  drupal_set_title($node->title);
   $output = t('This table lists all the recorded votes for this poll. If anonymous users are allowed to vote, they will be identified by the IP address of the computer they used when they voted.');
 
   $header[] = array('data' => t('Visitor'), 'field' => 'u.name');
@@ -51,7 +51,7 @@ function poll_votes($node) {
  * Callback for the 'results' tab for polls you can vote on
  */
 function poll_results($node) {
-  drupal_set_title(check_plain($node->title));
+  drupal_set_title($node->title);
   $node->show_results = TRUE;
   return node_show($node, 0);
 }
Index: modules/profile/profile.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/profile/profile.admin.inc,v
retrieving revision 1.16
diff -u -p -r1.16 profile.admin.inc
--- modules/profile/profile.admin.inc	12 Oct 2008 06:27:05 -0000	1.16
+++ modules/profile/profile.admin.inc	12 Oct 2008 22:53:54 -0000
@@ -175,7 +175,7 @@ function profile_field_form(&$form_state
         drupal_not_found();
         return;
       }
-      drupal_set_title(t('edit %title', array('%title' => $edit['title'])));
+      drupal_set_title(t('edit %title', array('%title' => $edit['title'])), PASS_THROUGH);
       $form['fid'] = array('#type' => 'value',
         '#value' => $fid,
       );
@@ -193,7 +193,7 @@ function profile_field_form(&$form_state
       return;
     }
     $type = $arg;
-    drupal_set_title(t('add new %type', array('%type' => $types[$type])));
+    drupal_set_title(t('add new %type', array('%type' => $types[$type])), PASS_THROUGH);
     $edit = array('name' => 'profile_');
     $form['type'] = array('#type' => 'value', '#value' => $type);
   }
Index: modules/profile/profile.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/profile/profile.pages.inc,v
retrieving revision 1.7
diff -u -p -r1.7 profile.pages.inc
--- modules/profile/profile.pages.inc	12 Oct 2008 06:27:05 -0000	1.7
+++ modules/profile/profile.pages.inc	12 Oct 2008 22:53:54 -0000
@@ -73,7 +73,7 @@ function profile_browse() {
       $title = check_plain($field->page);
     }
 
-    drupal_set_title($title);
+    drupal_set_title($title, PASS_THROUGH);
     return $output;
   }
   elseif ($name && !$field->fid) {
@@ -99,7 +99,7 @@ function profile_browse() {
     $output = theme('profile_wrapper', $content);
     $output .= theme('pager', NULL, 20);
 
-    drupal_set_title(t('User list'));
+    drupal_set_title(t('User list'), PASS_THROUGH);
     return $output;
   }
 }
Index: modules/statistics/statistics.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/statistics/statistics.admin.inc,v
retrieving revision 1.13
diff -u -p -r1.13 statistics.admin.inc
--- modules/statistics/statistics.admin.inc	12 Oct 2008 06:27:05 -0000	1.13
+++ modules/statistics/statistics.admin.inc	12 Oct 2008 22:53:55 -0000
@@ -64,7 +64,7 @@ function statistics_top_pages() {
     $rows[] = array(array('data' => t('No statistics available.'), 'colspan' => 4));
   }
 
-  drupal_set_title(t('Top pages in the past %interval', array('%interval' => format_interval(variable_get('statistics_flush_accesslog_timer', 259200)))));
+  drupal_set_title(t('Top pages in the past %interval', array('%interval' => format_interval(variable_get('statistics_flush_accesslog_timer', 259200)))), PASS_THROUGH);
   $output = theme('table', $header, $rows);
   $output .= theme('pager', NULL, 30, 0);
   return $output;
@@ -97,7 +97,7 @@ function statistics_top_visitors() {
     $rows[] = array(array('data' => t('No statistics available.'), 'colspan' => 4));
   }
 
-  drupal_set_title(t('Top visitors in the past %interval', array('%interval' => format_interval(variable_get('statistics_flush_accesslog_timer', 259200)))));
+  drupal_set_title(t('Top visitors in the past %interval', array('%interval' => format_interval(variable_get('statistics_flush_accesslog_timer', 259200)))), PASS_THROUGH);
   $output = theme('table', $header, $rows);
   $output .= theme('pager', NULL, 30, 0);
   return $output;
@@ -109,7 +109,7 @@ function statistics_top_visitors() {
 function statistics_top_referrers() {
   $query = "SELECT url, COUNT(url) AS hits, MAX(timestamp) AS last FROM {accesslog} WHERE url NOT LIKE :host AND url <> '' GROUP BY url";
   $query_cnt = "SELECT COUNT(DISTINCT(url)) FROM {accesslog} WHERE url <> '' AND url NOT LIKE :host";
-  drupal_set_title(t('Top referrers in the past %interval', array('%interval' => format_interval(variable_get('statistics_flush_accesslog_timer', 259200)))));
+  drupal_set_title(t('Top referrers in the past %interval', array('%interval' => format_interval(variable_get('statistics_flush_accesslog_timer', 259200)))), PASS_THROUGH);
 
   $header = array(
     array('data' => t('Hits'), 'field' => 'hits', 'sort' => 'desc'),
Index: modules/statistics/statistics.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/statistics/statistics.pages.inc,v
retrieving revision 1.5
diff -u -p -r1.5 statistics.pages.inc
--- modules/statistics/statistics.pages.inc	12 Oct 2008 06:27:05 -0000	1.5
+++ modules/statistics/statistics.pages.inc	12 Oct 2008 22:53:55 -0000
@@ -29,7 +29,7 @@ function statistics_node_tracker() {
       $rows[] = array(array('data' => t('No statistics available.'), 'colspan' => 4));
     }
 
-    drupal_set_title(check_plain($node->title));
+    drupal_set_title($node->title);
     $output = theme('table', $header, $rows);
     $output .= theme('pager', NULL, 30, 0);
     return $output;
@@ -60,7 +60,7 @@ function statistics_user_tracker() {
       $rows[] = array(array('data' => t('No statistics available.'), 'colspan' => 3));
     }
 
-    drupal_set_title(check_plain($account->name));
+    drupal_set_title($account->name);
     $output = theme('table', $header, $rows);
     $output .= theme('pager', NULL, 30, 0);
     return $output;
Index: modules/system/system.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.module,v
retrieving revision 1.630
diff -u -p -r1.630 system.module
--- modules/system/system.module	12 Oct 2008 06:27:05 -0000	1.630
+++ modules/system/system.module	12 Oct 2008 22:53:56 -0000
@@ -1296,6 +1296,11 @@ function system_node_type($op, $info) {
  * confirmed the action. You should never directly inspect $_POST to see if an
  * action was confirmed.
  *
+ * Note - if the parameters $question, $description, $yes, or $no could contain
+ * any user input (such as node titles or taxonomy terms), it is the
+ * responsibility of the code calling confirm_form() to sanitize them first with
+ * a function like check_plain() or filter_xss().
+ *
  * @ingroup forms
  * @param $form
  *   Additional elements to inject into the form, for example hidden elements.
@@ -1329,7 +1334,7 @@ function confirm_form($form, $question, 
   }
   $cancel = l($no ? $no : t('Cancel'), $path, array('query' => $query, 'fragment' => $fragment));
 
-  drupal_set_title($question);
+  drupal_set_title($question, PASS_THROUGH);
 
   // Confirm form fails duplication check, as the form values rarely change -- so skip it.
   $form['#skip_duplicate_check'] = TRUE;
Index: modules/system/system.test
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.test,v
retrieving revision 1.19
diff -u -p -r1.19 system.test
--- modules/system/system.test	12 Oct 2008 06:27:05 -0000	1.19
+++ modules/system/system.test	12 Oct 2008 22:53:56 -0000
@@ -467,3 +467,68 @@ class PageNotFoundTestCase extends Drupa
     $this->assertNoText(t('User login'), t('Blocks are not shown on the default 404 page'));
   }
 }
+
+class PageTitleFiltering extends DrupalWebTestCase {
+  protected $content_user;
+  protected $saved_title;
+
+  /**
+   * Implementation of getInfo().
+   */
+  function getInfo() {
+    return array(
+      'name' => t('HTML in page titles'),
+      'description' => t('Tests correct handling or conversion by drupal_set_title() and drupal_get_title().'),
+      'group' => t('System')
+    );
+  }
+
+  /**
+   * Implementation of setUp().
+   */
+  function setUp() {
+    parent::setUp();
+
+    $this->content_user = $this->drupalCreateUser(array('create page content', 'access content'));
+    $this->drupalLogin($this->content_user);
+    $this->saved_title = drupal_get_title();
+  }
+
+  /**
+   * Reset page title.
+   */
+  function tearDown() {
+    // Restore the page title.
+    drupal_set_title($this->saved_title, PASS_THROUGH);
+
+    parent::tearDown();
+  }
+
+  /**
+   * Tests the handling of HTML by drupal_set_title() and drupal_get_title()
+   */
+  function testTitleTags() {
+    $title = "string with <em>HTML</em>";
+    // drupal_set_title's $filter is CHECK_PLAIN by default, so the title should be
+    // returned with check_plain().
+    drupal_set_title($title, CHECK_PLAIN);
+    $this->assertTrue(strpos(drupal_get_title(), '<em>') === FALSE, t('Tags in title converted to entities when $output is CHECK_PLAIN.'));
+    // drupal_set_title's $filter is passed as PASS_THROUGH, so the title should be
+    // returned with HTML.
+    drupal_set_title($title, PASS_THROUGH);
+    $this->assertTrue(strpos(drupal_get_title(), '<em>') !== FALSE, t('Tags in title are not converted to entities when $output is PASS_THROUGH.'));
+    // Generate node content.
+    $edit = array(
+     'title' => '!SimpleTest! ' . $title . $this->randomName(20),
+     'body' => '!SimpleTest! test body' . $this->randomName(200),
+    );
+    // Create the node with HTML in the title.
+    $this->drupalPost('node/add/page', $edit, t('Save'));
+
+    $node = node_load(array('title' => $edit['title']));
+    $this->assertNotNull($node, 'Node created and found in database');
+    $this->drupalGet("node/" . $node->nid);
+    $this->assertText(check_plain($edit['title']), 'Check to make sure tags in the node title are converted.');
+  }
+}
+
Index: modules/taxonomy/taxonomy.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/taxonomy/taxonomy.pages.inc,v
retrieving revision 1.17
diff -u -p -r1.17 taxonomy.pages.inc
--- modules/taxonomy/taxonomy.pages.inc	12 Oct 2008 06:27:05 -0000	1.17
+++ modules/taxonomy/taxonomy.pages.inc	12 Oct 2008 22:53:56 -0000
@@ -112,7 +112,7 @@ function theme_taxonomy_term_page($tids,
  */
 function taxonomy_term_edit($term) {
   if (isset($term)) {
-    drupal_set_title(check_plain($term->name));
+    drupal_set_title($term->name);
     return drupal_get_form('taxonomy_form_term', taxonomy_vocabulary_load($term->vid), (array)$term);
   }
   return drupal_not_found();
Index: modules/tracker/tracker.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/tracker/tracker.pages.inc,v
retrieving revision 1.10
diff -u -p -r1.10 tracker.pages.inc
--- modules/tracker/tracker.pages.inc	12 Oct 2008 06:27:05 -0000	1.10
+++ modules/tracker/tracker.pages.inc	12 Oct 2008 22:53:56 -0000
@@ -19,7 +19,7 @@ function tracker_page($account = NULL, $
       // When viewed from user/%user/track, display the name of the user
       // as page title -- the tab title remains Track so this needs to be done
       // here and not in the menu definiton.
-      drupal_set_title(check_plain($account->name));
+      drupal_set_title($account->name);
     }
   // TODO: These queries are very expensive, see http://drupal.org/node/105639
     $sql = 'SELECT DISTINCT(n.nid), n.title, n.type, n.changed, n.uid, u.name, GREATEST(n.changed, l.last_comment_timestamp) AS last_updated, l.comment_count FROM {node} n INNER JOIN {node_comment_statistics} l ON n.nid = l.nid INNER JOIN {users} u ON n.uid = u.uid LEFT JOIN {comments} c ON n.nid = c.nid AND (c.status = %d OR c.status IS NULL) WHERE n.status = 1 AND (n.uid = %d OR c.uid = %d) ORDER BY last_updated DESC';
Index: modules/translation/translation.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/translation/translation.pages.inc,v
retrieving revision 1.6
diff -u -p -r1.6 translation.pages.inc
--- modules/translation/translation.pages.inc	12 Oct 2008 06:27:06 -0000	1.6
+++ modules/translation/translation.pages.inc	12 Oct 2008 22:53:56 -0000
@@ -54,6 +54,6 @@ function translation_node_overview($node
     $rows[] = array($language_name, $title, $status, implode(" | ", $options));
   }
 
-  drupal_set_title(t('Translations of %title', array('%title' => $node->title)));
+  drupal_set_title(t('Translations of %title', array('%title' => $node->title)), PASS_THROUGH);
   return theme('table', $header, $rows);
 }
Index: modules/user/user.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/user/user.pages.inc,v
retrieving revision 1.21
diff -u -p -r1.21 user.pages.inc
--- modules/user/user.pages.inc	12 Oct 2008 06:27:06 -0000	1.21
+++ modules/user/user.pages.inc	12 Oct 2008 22:53:57 -0000
@@ -147,7 +147,7 @@ function user_logout() {
  * Menu callback; Displays a user or user profile page.
  */
 function user_view($account) {
-  drupal_set_title(check_plain($account->name));
+  drupal_set_title($account->name);
   // Retrieve all profile fields and attach to $account->content.
   user_build_content($account);
 
@@ -218,7 +218,7 @@ function template_preprocess_user_profil
  * @see user_edit_submit()
  */
 function user_edit($account, $category = 'account') {
-  drupal_set_title(check_plain($account->name));
+  drupal_set_title($account->name);
   return drupal_get_form('user_profile_form', $account, $category);
 }