#800502 by Damien Tournoud, sun: Fixed Module page is not ordered correctly.

includes/common.inc

@@ -5465,6 +5465,15 @@ function element_sort($a, $b) {
   return ($a_weight < $b_weight) ? -1 : 1;
 }
 
+/**
+ * Array sorting callback; sorts elements by title.
+ */
+function element_sort_by_title($a, $b) {
+  $a_title = (is_array($a) && isset($a['#title'])) ? $a['#title'] : '';
+  $b_title = (is_array($b) && isset($b['#title'])) ? $b['#title'] : '';
+  return strnatcasecmp($a_title, $b_title);
+}
+
 /**
  * Retrieve the default properties for the defined element type.
  */

modules/system/system.admin.inc

@@ -959,9 +959,14 @@ function system_modules($form, $form_state = array()) {
         t('Description'),
         array('data' => t('Operations'), 'colspan' => 3),
       ),
+      // Ensure that the "Core" package fieldset comes first.
+      '#weight' => $package == 'Core' ? -10 : NULL,
     );
   }
 
+  // Lastly, sort all fieldsets by title.
+  uasort($form['modules'], 'element_sort_by_title');
+
   $form['actions'] = array('#type' => 'actions');
   $form['actions']['submit'] = array(
     '#type' => 'submit',