Selectable input format

I'd like to be able to select the input format for the answer and I've written a one-liner to add this:

function faq_form(&$node){
[...]
  $output .= form_textarea(t('Answer'), 'body', $node->body, 60, 20, 'Enter the answer to the question given in the title.', NULL, TRUE);
  $output .= filter_form('format', $node->format);
  return $output;
}

If you find it useful too, please commit to CVS.