Index: audio.admin.inc
===================================================================
--- audio.admin.inc	(revision 7)
+++ audio.admin.inc	(working copy)
@@ -126,7 +126,10 @@
     '#default_value' => 0,
   );
 
-  return system_settings_form($form);
+  $form['buttons']['submit'] = array('#type' => 'submit', '#value' => t('Save configuration') );
+  $form['buttons']['reset'] = array('#type' => 'submit', '#value' => t('Reset to defaults') );
+
+  return $form;
 }
 
 /**
@@ -196,7 +199,11 @@
   $header = array(t('Tag'), t('Autocompleted'), t('Required'), t('Hidden'), t('Browsable'),
     t('Written to file'), t('Weight'), t('Delete'));
 
-  $output = theme('table', $header, $rows);
+  $rows = array_filter($rows);
+  $output = "";
+  if (!empty($rows)) {
+    $output .= theme('table', $header, $rows);
+  }
   $output .= drupal_render($form_element);
   return $output;
 }