commit 387ebe5f1b1b4684616516c81e85c5f8a96ff49f
Author: James Wilson <jwilson3@220177.no-reply.drupal.org>
Date:   Sat May 18 10:46:24 2013 -0400

    Issue #1778990-39: dont render the markup by hand.

diff --git a/core/includes/pager.inc b/core/includes/pager.inc
index 9a73838..66851f4 100644
--- a/core/includes/pager.inc
+++ b/core/includes/pager.inc
@@ -368,15 +368,15 @@ function theme_pager($variables) {
 
   // First and previous links.
   if ($variables['first']) {
-    $items[] = array(
-      '#wrapper_attributes' => array('class' => array('pager-first')),
-      '#markup' => drupal_render($variables['first']),
+    $items[] = array_merge(array(
+      '#wrapper_attributes' =>  array('class' => array('pager-first'))),
+      $variables['first']
     );
   }
   if ($variables['previous']) {
-    $items[] = array(
-      '#wrapper_attributes' => array('class' => array('pager-previous')),
-      '#markup' => drupal_render($variables['previous']),
+    $items[] = array_merge(array(
+      '#wrapper_attributes' => array('class' => array('pager-previous'))),
+      $variables['previous']
     );
   }
 
@@ -384,14 +384,14 @@ function theme_pager($variables) {
   if ($variables['less']) {
     $items[] = array(
       '#wrapper_attributes' => array('class' => array('pager-ellipsis')),
-      '#markup' => drupal_render($variables['less']),
+      '#markup' => $variables['less'],
     );
   }
   foreach ($variables['items'] as $index => $item) {
     if ($index != $variables['current_index']) {
-      $items[] = array(
-        '#wrapper_attributes' => array('class' => array('pager-item')),
-        '#markup' => drupal_render($item),
+      $items[] = array_merge(array(
+        '#wrapper_attributes' => array('class' => array('pager-item'))),
+        $item
       );
     }
     else {
@@ -410,15 +410,15 @@ function theme_pager($variables) {
 
   // Next and last links.
   if ($variables['next']) {
-    $items[] = array(
-      '#wrapper_attributes' => array('class' => array('pager-next')),
-      '#markup' => drupal_render($variables['next']),
+    $items[] = array_merge(array(
+      '#wrapper_attributes' => array('class' => array('pager-next'))),
+      $variables['next']
     );
   }
   if ($variables['last']) {
-    $items[] = array(
+    $items[] = array_merge(array(
       '#wrapper_attributes' => array('class' => array('pager-last')),
-      '#markup' => drupal_render($variables['last']),
+      $variables['last']
     );
   }