+ // this is the same hook as above, but here it is called in the
+ // context of not having had any messages selected and if any
+ // plugin handles the situation, it should return TRUE so we
+ // know this was not an erroneous user action
+ //
+ global $null;
+ $temp = array(&$sButton, &$aMailbox, $iAccount, $aMailbox['NAME'], $null);
+ if (!boolean_hook_function('mailbox_display_button_action', $temp, 1)
+ && $sButton) {