Index: modules/system/system.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.module,v
retrieving revision 1.395
diff -u -r1.395 system.module
--- modules/system/system.module	12 Nov 2006 20:18:57 -0000	1.395
+++ modules/system/system.module	13 Nov 2006 08:17:59 -0000
@@ -1527,11 +1527,12 @@
       $row[] = array('data' => drupal_render($form['description'][$key]), 'class' => 'description');
       $rows[] = $row;
     }
+    $package_title = t($package);
     $fieldset = array (
-      '#title' => t($package),
+      '#title' => $package_title,
       '#collapsible' => TRUE,
-      '#collapsed' => TRUE,
-      '#value' => theme('table', $header, $rows, array('class' => 'package'))
+      '#collapsed' => ($package_title == t('Core - optional')) ? FALSE : TRUE,
+      '#value' => theme('table', $header, $rows, array('class' => 'package')),
     );
     $output .= theme('fieldset', $fieldset);
   }