- Patch #846858 by kiamlaluno: it's/its grammar in various doc headers.

includes/bootstrap.inc

@@ -2115,7 +2115,7 @@ function _drupal_bootstrap_page_cache() {
   // If there is no session cookie and cache is enabled (or forced), try
   // to serve a cached page.
   if (!isset($_COOKIE[session_name()]) && $cache_enabled) {
-    // Make sure there is a user object because it's timestamp will be
+    // Make sure there is a user object because its timestamp will be
     // checked, hook_boot might check for anonymous user etc.
     $user = drupal_anonymous_user();
     // Get the page from the cache.

misc/tabledrag.js

@@ -681,7 +681,7 @@ Drupal.tableDrag.prototype.updateFields = function (changedRow) {
 Drupal.tableDrag.prototype.updateField = function (changedRow, group) {
   var rowSettings = this.rowSettings(group, changedRow);
 
-  // Set the row as it's own target.
+  // Set the row as its own target.
   if (rowSettings.relationship == 'self' || rowSettings.relationship == 'group') {
     var sourceRow = changedRow;
   }

modules/system/system.test

@@ -1149,7 +1149,7 @@ class SystemBlockTestCase extends DrupalWebTestCase {
     // Confirm that the block is hidden.
     $this->assertNoRaw('id="block-system-powered-by"', t('Block no longer appears on page.'));
 
-    // For convenience of developers, set the block to it's default settings.
+    // For convenience of developers, set the block to its default settings.
     $edit = array();
     $edit['system_powered-by[region]'] = 'footer';
     $this->drupalPost('admin/structure/block', $edit, t('Save blocks'));

modules/toolbar/toolbar.css

@@ -143,7 +143,7 @@ body.toolbar-drawer {
  * IE 6 Fix.
  *
  * IE 6 shows elements with position:fixed as position:static so we replace
- * it with position:absolute; toolbar needs it's z-index to stay above overlay.
+ * it with position:absolute; toolbar needs its z-index to stay above overlay.
  */
 * html #toolbar {
   position: absolute;