=== modified file 'sites/all/themes/denver2012/html.tpl.php'
--- sites/all/themes/denver2012/html.tpl.php	2011-08-12 13:09:46 +0000
+++ sites/all/themes/denver2012/html.tpl.php	2012-01-25 17:20:43 +0000
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" <?php print $html_attributes; ?>>
 <head>
 <meta charset="utf-8" />
 <meta http-equiv="x-ua-compatible" content="ie=edge, chrome=1" />

=== modified file 'sites/all/themes/denver2012/template.php'
--- sites/all/themes/denver2012/template.php	2011-12-08 16:41:44 +0000
+++ sites/all/themes/denver2012/template.php	2012-01-25 17:20:46 +0000
@@ -20,6 +20,11 @@
       $variables['classes_array'][] = drupal_html_class('section-' . $section);
     }
   }
+  // Support extra html attributes.
+  $variables['html_attributes'] = '';
+  if (!empty($variables['html_attributes_array'])) {
+    $variables['html_attributes'] = drupal_attributes($variables['html_attributes_array']);
+  }
 
   $variables['drupalorg_site_status'] = filter_xss_admin(variable_get('drupalorg_site_status', FALSE));
 }

