//400attachment_display
// how do we display attachments?
$_prefs['attachment_display'] = array(
    'value' => 'list',
    'locked' => false,
    'shared' => false,
    'type' => 'enum',
    'enum' => array('list'   => _("Listing in the Header"),
                    'inline' => _("Display in Body of Message"),
                    'both'   => _("Both Header Listing and Body of Message")),
    'desc' => _("How do you want to display attachments?"));
