diff --git includes/common.inc includes/common.inc
index 6b0138c..eddbe05 100644
--- includes/common.inc
+++ includes/common.inc
@@ -3546,7 +3546,9 @@ function drupal_render_page($page) {
   // Modules alter the $page as needed. Blocks are populated into regions like
   // 'left', 'footer', etc.
   drupal_alter('page', $page);
-
+  // Process the elements prior to rendering them.
+  drupal_process_elements($page);
+  // Render the page.
   return drupal_render($page);
 }
 
@@ -3601,13 +3603,8 @@ function drupal_render(&$elements) {
     return;
   }
 
-  // If the default values for this element have not been loaded yet, populate
-  // them.
-  if (isset($elements['#type']) && empty($elements['#defaults_loaded'])) {
-    $elements += element_info($elements['#type']);
-  }
-  else {
-    $elements += element_basic_defaults();
+  if (empty($elements['#render_processed'])) {
+    drupal_process_elements($elements);
   }
 
   // If #markup is not empty and no theme function is set, use theme_markup.
@@ -3616,42 +3613,6 @@ function drupal_render(&$elements) {
     $elements['#theme'] = 'markup';
   }
 
-  // Make any final changes to the element before it is rendered. This means
-  // that the $element or the children can be altered or corrected before the
-  // element is rendered into the final text.
-  if (isset($elements['#pre_render'])) {
-    foreach ($elements['#pre_render'] as $function) {
-      if (drupal_function_exists($function)) {
-        $elements = $function($elements);
-      }
-    }
-  }
-
-  // Add additional CSS and JavaScript files associated with this element.
-  foreach (array('css', 'js') as $kind) {
-    if (!empty($elements['#attached_' . $kind]) && is_array($elements['#attached_' . $kind])) {
-      foreach ($elements['#attached_' . $kind] as $data => $options) {
-        // If the value is not an array, it's a filename and passed as first
-        // (and only) argument.
-        if (!is_array($options)) {
-          $data = $options;
-          $options = NULL;
-        }
-        // When drupal_add_js with 'type' => 'setting' is called, the first
-        // parameter ($data) is an array. Arrays can't be keys in PHP, so we
-        // have to get $data from the value array.
-        if (is_numeric($data)) {
-          $data = $options['data'];
-          unset($options['data']);
-        }
-        call_user_func('drupal_add_' . $kind, $data, $options);
-      }
-    }
-  }
-
-  // Get the children of the element, sorted by weight.
-  $children = element_children($elements, TRUE);
-
   $elements['#children'] = '';
   // Call the element's #theme function if it is set. Then any children of the
   // element have to be rendered there.
@@ -3661,7 +3622,7 @@ function drupal_render(&$elements) {
   // If #theme was not set and the element has children, render them now
   // using drupal_render_children().
   if ($elements['#children'] == '') {
-    $elements['#children'] = drupal_render_children($elements, $children);
+    $elements['#children'] = drupal_render_children($elements);
   }
 
   // Let the theme function in #theme_wrapper add markup around the rendered
@@ -3700,18 +3661,123 @@ function drupal_render(&$elements) {
  *   If the keys of the element's children are already known, they can be passed
  *   in to save another run of element_children().
  */
-function drupal_render_children(&$element, $children_keys = NULL) {
-  if ($children_keys === NULL) {
-    $children_keys = element_children($element);
+function drupal_render_children(&$element) {
+  if (!isset($element['#children_keys'])) {
+    $element['#children_keys'] = element_children($element);
   }
   $output = '';
-  foreach ($children_keys as $key) {
+  foreach ($element['#children_keys'] as $key) {
     $output .= drupal_render($element[$key]);
   }
   return $output;
 }
 
 /**
+ * Process renderable arrays prior to actually rendering them.
+ *
+ * This handles the #attached_css and #attached_js properties. As it is always
+ * called on the final $page array before rendering it, there is usually no
+ * need to call this function in other places.
+ */
+function drupal_process_elements(&$elements) {
+  // Early-return if user does not have access.
+  if (!isset($elements) || (isset($elements['#access']) && !$elements['#access'])) {
+    return;
+  }
+  // Do nothing for non-array elements and already processed elements.
+  if (!is_array($elements) || !empty($elements['#render_processed'])) {
+    return;
+  }
+  // If the default values for this element have not been loaded yet, populate
+  // them.
+  if (isset($elements['#type']) && empty($elements['#defaults_loaded'])) {
+    $elements += element_info($elements['#type']);
+  }
+  else {
+    $elements += element_basic_defaults();
+  }
+
+  // Make any final changes to the element before it is rendered. This means
+  // that the $element or the children can be altered or corrected before the
+  // element is rendered into the final text.
+  if (isset($elements['#pre_render'])) {
+    foreach ($elements['#pre_render'] as $function) {
+      if (drupal_function_exists($function)) {
+        $elements = $function($elements);
+      }
+    }
+  }
+
+  // Get the keys of the element's children and sort them.
+  if (!isset($elements['#children_keys'])) {
+    $elements['#children_keys'] = element_children($elements, TRUE);
+  }
+  // Process all children.
+  if (is_array($elements['#children_keys'])) {
+    foreach($elements['#children_keys'] as $key) {
+      drupal_process_elements($elements[$key]);
+    }
+  }
+
+  // Add additional CSS and JavaScript files associated with this element.
+  foreach (array('css', 'js') as $kind) {
+    if (!empty($elements['#attached_' . $kind]) && is_array($elements['#attached_' . $kind])) {
+      foreach ($elements['#attached_' . $kind] as $data => $options) {
+        // If the value is not an array, it's a filename and passed as first
+        // (and only) argument.
+        if (!is_array($options)) {
+          $data = $options;
+          $options = NULL;
+        }
+        // When drupal_add_js with 'type' => 'setting' is called, the first
+        // parameter ($data) is an array. Arrays can't be keys in PHP, so we
+        // have to get $data from the value array.
+        if (is_numeric($data)) {
+          $data = $options['data'];
+          unset($options['data']);
+        }
+        call_user_func('drupal_add_' . $kind, $data, $options);
+      }
+    }
+  }
+
+  $elements['#render_processed'] = TRUE;
+}
+
+/**
+ * A brief alias for drupal_render(), to be used in templates.
+ *
+ * This always prints the top level element. Subsequent elements are only printed
+ * if they haven't been printed before or have been re-enabled with show().
+ */
+function render(&$element) {
+  if (is_array($element)) {
+    show($element);
+    print drupal_render($element);
+  }
+  else {
+    print $element;
+  }
+}
+
+/**
+ * Hide an element during rendering.
+ */
+function hide(&$element) {
+  $element['#printed'] = TRUE;
+  return $element;
+}
+
+/**
+ * Show a hidden or already printed element during rendering.
+ */
+function show(&$element) {
+  $element['#printed'] = FALSE;
+  return $element;
+}
+
+
+/**
  * Function used by uasort to sort structured arrays by weight.
  */
 function element_sort($a, $b) {
diff --git includes/form.inc includes/form.inc
index b57888e..e49f571 100644
--- includes/form.inc
+++ includes/form.inc
@@ -2050,7 +2050,7 @@ function theme_checkbox($element) {
   $checkbox .= $element['#value'] ? ' checked="checked" ' : ' ';
   $checkbox .= drupal_attributes($element['#attributes']) . ' />';
 
-  if (!is_null($element['#title'])) {
+  if (isset($element['#title'])) {
     $checkbox = '<label class="option" for="' . $element['#id'] . '">' . $checkbox . ' ' . $element['#title'] . '</label>';
   }
 
@@ -2352,10 +2352,6 @@ function form_process_vertical_tabs($element, &$form_state) {
  *   fieldset.
  */
 function theme_vertical_tabs($element) {
-  // Add required JavaScript and Stylesheet.
-  drupal_add_js('misc/vertical-tabs.js', array('weight' => JS_DEFAULT - 1));
-  drupal_add_css('misc/vertical-tabs.css');
-
   return '<div class="vertical-tabs-panes">' . $element['#children'] . '</div>';
 }
 
@@ -2441,7 +2437,6 @@ function theme_textfield($element) {
   $output = '';
 
   if ($element['#autocomplete_path'] && menu_valid_path(array('link_path' => $element['#autocomplete_path']))) {
-    drupal_add_js('misc/autocomplete.js');
     $class[] = 'form-autocomplete';
     $extra =  '<input class="autocomplete" type="hidden" id="' . $element['#id'] . '-autocomplete" value="' . check_url(url($element['#autocomplete_path'], array('absolute' => TRUE))) . '" disabled="disabled" />';
   }
@@ -2459,6 +2454,13 @@ function theme_textfield($element) {
   return $output . $extra;
 }
 
+function form_pre_render_textfield(&$element) {
+  if ($element['#autocomplete_path']) {
+    $element['#attached_js'][] = 'misc/autocomplete.js';
+  }
+  return $element;
+}
+
 /**
  * Format a form.
  *
diff --git includes/theme.inc includes/theme.inc
index 03a5c4c..b9d93ae 100644
--- includes/theme.inc
+++ includes/theme.inc
@@ -1916,10 +1916,6 @@ function template_process(&$variables, $hook) {
  * Any changes to variables in this preprocessor should also be changed inside
  * template_preprocess_maintenance_page() to keep all of them consistent.
  *
- * The $variables array contains two keys:
- * - 'page': the fully decorated page.
- * - 'content': the content of the page, already rendered.
- *
  * @see drupal_render_page
  * @see page.tpl.php
  */
@@ -1930,7 +1926,7 @@ function template_preprocess_page(&$variables) {
 
   // Render each region into top level variables.
   foreach (system_region_list($GLOBALS['theme']) as $region_key => $region_name) {
-    $variables[$region_key] = empty($variables['page'][$region_key]) ? '' : drupal_render($variables['page'][$region_key]);
+    $variables[$region_key] = empty($variables['page'][$region_key]) ? array() : $variables['page'][$region_key];
   }
 
   // Add favicon.
diff --git modules/block/block.module modules/block/block.module
index de8e99f..475847d 100644
--- modules/block/block.module
+++ modules/block/block.module
@@ -268,10 +268,13 @@ function block_get_blocks_by_region($region) {
   $build = array();
   if ($list = block_list($region)) {
     foreach ($list as $key => $block) {
+      $content = $block->content;
+      unset($block->content);
       $build[$key] = array(
         '#theme' => 'block',
         '#block' => $block,
         '#weight' => ++$weight,
+        'content' => $content,
       );
     }
     $build['#sorted'] = TRUE;
@@ -777,7 +780,9 @@ function block_flush_caches() {
  */
 function template_preprocess_block(&$variables) {
   static $block_counter = array();
+  $variables['content'] = $variables['block']['content'];
   $variables['block'] = $variables['block']['#block'];
+
   // All blocks get an independent counter for each region.
   if (!isset($block_counter[$variables['block']->region])) {
     $block_counter[$variables['block']->region] = 1;
@@ -786,9 +791,9 @@ function template_preprocess_block(&$variables) {
   $variables['block_zebra'] = ($block_counter[$variables['block']->region] % 2) ? 'odd' : 'even';
   $variables['block_id'] = $block_counter[$variables['block']->region]++;
 
-  if (is_array($variables['block']->content)) {
+  if (is_array($variables['content'])) {
     // Render the block contents if it is not already rendered.
-    $variables['block']->content = drupal_render($variables['block']->content);
+    $variables['content'] = drupal_render($variables['content']);
   }
 
   $variables['classes_array'][] = 'block-' . $variables['block']->module;
diff --git modules/block/block.tpl.php modules/block/block.tpl.php
index 5284912..9ad0f70 100644
--- modules/block/block.tpl.php
+++ modules/block/block.tpl.php
@@ -41,6 +41,6 @@
 <?php endif;?>
 
   <div class="content">
-    <?php print $block->content ?>
+    <?php print $content ?>
   </div>
 </div>
diff --git modules/node/node.module modules/node/node.module
index 8c77488..30ad4e5 100644
--- modules/node/node.module
+++ modules/node/node.module
@@ -1358,18 +1358,6 @@ function template_preprocess_node(&$variables) {
     unset($node->content['links']);
   }
 
-  // Render taxonomy links separately.
-  $variables['terms']     = !empty($node->content['links']['terms']) ? drupal_render($node->content['links']['terms']) : '';
-
-  // Render all remaining node links.
-  $variables['links']     = !empty($node->content['links']) ? drupal_render($node->content['links']) : '';
-
-  // Render any comments.
-  $variables['comments']  = !empty($node->content['comments']) ? drupal_render($node->content['comments']) : '';
-
-  // Render the rest of the node into $content.
-  $variables['content'] = drupal_render($node->content);
-
   // Flatten the node object's member fields.
   $variables = array_merge((array)$node, $variables);
 
diff --git modules/node/node.tpl.php modules/node/node.tpl.php
index 36ad041..5999ece 100644
--- modules/node/node.tpl.php
+++ modules/node/node.tpl.php
@@ -7,7 +7,9 @@
  *
  * Available variables:
  * - $title: the (sanitized) title of the node.
- * - $content: Node body or teaser depending on $teaser flag.
+ * - $content: An array of node items. Use render($content) to print them all, or
+ *   print a subset such as render($content['field_example']). Always call
+ *   render($content) at the end in order to print all remaining items.
  * - $comments: the themed list of comments (if any).
  * - $picture: The authors picture of the node output from
  *   theme_user_picture().
@@ -64,6 +66,9 @@
  * @see template_preprocess_node()
  * @see template_process()
  */
+ 
+// Uncomment the line below to see what variables are available in this template.
+// print '<pre>' . check_plain(print_r(get_defined_vars(), TRUE)) . '</pre>';
 ?>
 <div id="node-<?php print $node->nid; ?>" class="<?php print $classes ?> clearfix">
 
@@ -79,16 +84,16 @@
   <?php endif; ?>
 
   <?php if ($terms): ?>
-    <div class="terms terms-inline"><?php print $terms ?></div>
+    <div class="terms terms-inline"><?php render($content['links']['terms']) ?></div>
   <?php endif;?>
   </div>
 
   <div class="content">
-    <?php print $content ?>
+    <?php hide($content['comments']); hide($content['links']); render($content); ?>
   </div>
 
-  <?php print $links; ?>
+  <?php render($content['links']) ?>
 
-  <?php print $comments; ?>
+  <?php render($content['comments']) ?>
 
 </div>
\ No newline at end of file
diff --git modules/simpletest/simpletest.pages.inc modules/simpletest/simpletest.pages.inc
index 7b3c642..abe1e63 100644
--- modules/simpletest/simpletest.pages.inc
+++ modules/simpletest/simpletest.pages.inc
@@ -59,6 +59,10 @@ function simpletest_test_form() {
     '#submit' => array('simpletest_clean_environment'),
   );
 
+  // Attach CSS and JS files.
+  $form['#attached_css'][] = drupal_get_path('module', 'simpletest') . '/simpletest.css';
+  $form['#attached_js'][] = drupal_get_path('module', 'simpletest') . '/simpletest.js';
+
   return $form;
 }
 
@@ -69,9 +73,6 @@ function simpletest_test_form() {
  * @return HTML output.
  */
 function theme_simpletest_test_table($table) {
-  drupal_add_css(drupal_get_path('module', 'simpletest') . '/simpletest.css');
-  drupal_add_js(drupal_get_path('module', 'simpletest') . '/simpletest.js');
-
   // Create header for test selection table.
   $header = array(
     theme('table_select_header_cell'),
diff --git modules/system/page.tpl.php modules/system/page.tpl.php
index 0510d4a..47e2869 100644
--- modules/system/page.tpl.php
+++ modules/system/page.tpl.php
@@ -75,11 +75,11 @@
  * - $tabs: Tabs linking to any sub-pages beneath the current page (e.g., the view
  *   and edit tabs when displaying a node).
  * - $help: Dynamic help text, mostly for admin pages.
- * - $content: The main content of the current Drupal page.
+ * - $content: The main content of the current page. Use render() to render.
  * - $feed_icons: A string of all feed icons for the current page.
- * - $left: The HTML for the left sidebar.
- * - $right: The HTML for the right sidebar.
- * - $highlight: The HTML for the highlighted content region.
+ * - $left: Items for the left sidebar. Use render() to render.
+ * - $right: Items for the right sidebar. Use render() to render.
+ * - $highlight: Items for the highlighted content region. Use render() to render.
  *
  * Footer/closing data:
  * - $footer : The footer region.
@@ -90,6 +90,10 @@
  * @see template_preprocess_page()
  * @see template_process()
  */
+ 
+// Uncomment the line below to see what variables are available in this template.
+// print '<pre>' . check_plain(print_r(get_defined_vars(), TRUE)) . '</pre>';
+
 ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN"
   "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd">
@@ -140,7 +144,7 @@
 
       <?php if ($header): ?>
         <div id="header-region" class="region">
-          <?php print $header; ?>
+          <?php render($header); ?>
         </div>
       <?php endif; ?>
 
@@ -161,7 +165,7 @@
     <div id="main-wrapper"><div id="main" class="clearfix">
 
       <div id="content" class="column"><div class="section">
-        <?php if ($highlight): ?><div id="highlight"><?php print $highlight; ?></div><?php endif; ?>
+        <?php if ($highlight): ?><div id="highlight"><?php render($highlight); ?></div><?php endif; ?>
         <?php if ($title): ?><h1 class="title" id="page-title"><?php print $title; ?></h1><?php endif; ?>
         <?php if ($tabs): ?><div class="tabs"><?php print $tabs; ?></div><?php endif; ?>
         <?php print $help; ?>
@@ -187,7 +191,7 @@
 
     <div id="footer"><div class="section">
       <?php print theme('links', $secondary_menu, array('id' => 'secondary-menu', 'class' => 'links clearfix')); ?>
-      <?php if ($footer): ?><div id="footer-region" class="region"><?php print $footer; ?></div><?php endif; ?>
+      <?php if ($footer): ?><div id="footer-region" class="region"><?php render($footer); ?></div><?php endif; ?>
     </div></div> <!-- /.section, /#footer -->
 
   </div></div> <!-- /#page, /#page-wrapper -->
diff --git modules/system/system.module modules/system/system.module
index 78ec082..4fff604 100644
--- modules/system/system.module
+++ modules/system/system.module
@@ -291,6 +291,7 @@ function system_elements() {
     '#process' => array('form_process_text_format', 'form_process_ahah'),
     '#theme' => 'textfield',
     '#theme_wrapper' => 'form_element',
+    '#pre_render' => array('form_pre_render_textfield'),
   );
 
   $type['password'] = array(
@@ -429,6 +430,8 @@ function system_elements() {
     '#theme_wrapper' => 'vertical_tabs',
     '#default_tab' => '',
     '#process' => array('form_process_vertical_tabs'),
+    '#attached_js' => array(array('data'=> 'misc/vertical-tabs.js', 'weight' => JS_DEFAULT - 1)),
+    '#attached_css' => array('misc/vertical-tabs.css'),
   );
 
   $type['token'] = array(
diff --git modules/user/user-profile.tpl.php modules/user/user-profile.tpl.php
index 5398d00..a0cf79b 100644
--- modules/user/user-profile.tpl.php
+++ modules/user/user-profile.tpl.php
@@ -8,27 +8,13 @@
  * This template is used when viewing a registered member's profile page,
  * e.g., example.com/user/123. 123 being the users ID.
  *
- * By default, all user profile data is printed out with the $user_profile
- * variable. If there is a need to break it up you can use $profile instead.
- * It is keyed to the name of each category or other data attached to the
- * account. If it is a category it will contain all the profile items. By
- * default $profile['summary'] is provided which contains data on the user's
- * history. Other data can be included by modules. $profile['user_picture'] is
- * available by default showing the account picture.
- *
- * Also keep in mind that profile items and their categories can be defined by
- * site administrators. They are also available within $profile. For example,
- * if a site is configured with a category of "contact" with
- * fields for of addresses, phone numbers and other related info, then doing a
- * straight print of $profile['contact'] will output everything in the
- * category. This is useful for altering source order and adding custom
- * markup for the group.
- *
- * To check for all available data within $profile, use the code below.
- *
- * @code
- *   print '<pre>'. check_plain(print_r($profile, 1)) .'</pre>';
- * @endcode
+ * Use render($user_profile) to print all profile items, or print a subset
+ * such as render($content['field_example']). Always call render($user_profile)
+ * at the end in order to print all remaining items. If the item is a category,
+ * it will contain all it's profile items. By default, $user_profile['summary']
+ * is provided which contains data on the user's history. Other data can be
+ * included by modules. $user_profile['user_picture'] is available
+ * for showing the account picture.
  *
  * @see user-profile-category.tpl.php
  *   Where the html is handled for the group.
@@ -36,14 +22,16 @@
  *   Where the html is handled for each item in the group.
  *
  * Available variables:
- *   - $user_profile: All user profile data. Ready for print.
- *   - $profile: Keyed array of profile categories and their items or other data
- *     provided by modules.
+ *   - $user_profile: An array of profile items. Use dr() to print them.
  *   - TODO D7 : document $FIELD_NAME_rendered variables.
  *
  * @see template_preprocess_user_profile()
  */
+ 
+// Uncomment the line below to see what variables are available in this template.
+// print '<pre>' . check_plain(print_r(get_defined_vars(), TRUE)) . '</pre>';
+ 
 ?>
 <div class="profile">
-  <?php print $user_profile; ?>
+  <?php render($user_profile); ?>
 </div>
diff --git modules/user/user.pages.inc modules/user/user.pages.inc
index de3f82a..c27fd40 100644
--- modules/user/user.pages.inc
+++ modules/user/user.pages.inc
@@ -185,20 +185,11 @@ function user_view($account) {
  * The $variables array contains the following arguments:
  * - $account
  *
- * @see user-picture.tpl.php
+ * @see user-profile.tpl.php
  */
 function template_preprocess_user_profile(&$variables) {
   $account = $variables['elements']['#account'];
-
-  $variables['profile'] = array();
-  // Sort sections by weight
-  uasort($account->content, 'element_sort');
-  // Provide keyed variables so themers can print each section independently.
-  foreach (element_children($account->content) as $key) {
-    $variables['profile'][$key] = drupal_render($account->content[$key]);
-  }
-  // Collect all profiles to make it easier to print all items at once.
-  $variables['user_profile'] = implode($variables['profile']);
+  $variables['user_profile'] = $account->content;
 
   // Add $FIELD_NAME_rendered variables for fields.
   $variables += field_attach_preprocess('user', $account);
diff --git themes/garland/block.tpl.php themes/garland/block.tpl.php
index 6e13ff8..e0dec6f 100644
--- themes/garland/block.tpl.php
+++ themes/garland/block.tpl.php
@@ -7,5 +7,5 @@
   <h2><?php print $block->subject ?></h2>
 <?php endif;?>
 
-  <div class="content"><?php print $block->content ?></div>
+  <div class="content"><?php print $content ?></div>
 </div>
diff --git themes/garland/node.tpl.php themes/garland/node.tpl.php
index 7e7a6ed..9508d99 100644
--- themes/garland/node.tpl.php
+++ themes/garland/node.tpl.php
@@ -14,21 +14,21 @@
   <?php endif; ?>
 
   <div class="content clearfix">
-    <?php print $content ?>
+    <?php hide($content['links']); hide($content['comments']); render($content); ?>
   </div>
 
   <div class="clearfix">
     <div class="meta">
-    <?php if ($terms): ?>
-      <div class="terms"><?php print $terms ?></div>
+    <?php if (isset($content['links']['terms'])): ?>
+      <div class="terms"><?php render($content['links']['terms']) ?></div>
     <?php endif;?>
     </div>
 
-    <?php if ($links): ?>
-      <div class="links"><?php print $links; ?></div>
+    <?php if (isset($content['links'])): ?>
+      <div class="links"><?php render($content['links']) ?></div>
     <?php endif; ?>
 
-    <?php print $comments; ?>
+    <?php render($content['comments']) ?>
 
   </div>
 
diff --git themes/garland/page.tpl.php themes/garland/page.tpl.php
index c93dfea..f211971 100644
--- themes/garland/page.tpl.php
+++ themes/garland/page.tpl.php
@@ -15,7 +15,7 @@
   </head>
   <body class="<?php print $classes ?>">
 
-  <div id="header-region" class="clearfix"><?php print $header ?></div>
+  <div id="header-region" class="clearfix"><?php render($header) ?></div>
 
   <div id="wrapper">
     <div id="container" class="clearfix">
@@ -39,30 +39,30 @@
       <?php if ($left): ?>
         <div id="sidebar-left" class="sidebar">
           <?php if ($search_box): ?><div class="block block-theme"><?php print $search_box ?></div><?php endif; ?>
-          <?php print $left ?>
+          <?php render($left) ?>
         </div>
       <?php endif; ?>
 
       <div id="center"><div id="squeeze"><div class="right-corner"><div class="left-corner">
           <?php print $breadcrumb; ?>
-          <?php if ($highlight): ?><div id="highlight"><?php print $highlight ?></div><?php endif; ?>
+          <?php if ($highlight): ?><div id="highlight"><?php render($highlight) ?></div><?php endif; ?>
           <?php if ($tabs): ?><div id="tabs-wrapper" class="clearfix"><?php endif; ?>
           <?php if ($title): ?><h2<?php print $tabs ? ' class="with-tabs"' : '' ?>><?php print $title ?></h2><?php endif; ?>
           <?php if ($tabs): ?><ul class="tabs primary"><?php print $tabs ?></ul></div><?php endif; ?>
           <?php if ($tabs2): ?><ul class="tabs secondary"><?php print $tabs2 ?></ul><?php endif; ?>
           <?php if ($show_messages && $messages): print $messages; endif; ?>
-          <?php print $help; ?>
+          <?php render($help); ?>
           <div class="clearfix">
-            <?php print $content ?>
+            <?php render($content) ?>
           </div>
           <?php print $feed_icons ?>
-          <div id="footer"><?php print $footer ?></div>
+          <div id="footer"><?php render($footer) ?></div>
       </div></div></div></div> <!-- /.left-corner, /.right-corner, /#squeeze, /#center -->
 
       <?php if ($right): ?>
         <div id="sidebar-right" class="sidebar">
           <?php if (!$left && $search_box): ?><div class="block block-theme"><?php print $search_box ?></div><?php endif; ?>
-          <?php print $right ?>
+          <?php render($right) ?>
         </div>
       <?php endif; ?>