function _action_act_preprocess(Doku_Event $event, $param)
{
global $ACT;
global $INFO;
if (!is_array($event->data) || !array_key_exists('changes', $event->data)) {
return;
}
if ('preview' == act_permcheck('preview') && 'preview' == act_draftsave('preview') && $INFO['editable'] && 'preview' == act_edit('preview')) {
$ACT = 'changes';
$event->stoppropagation();
$event->preventDefault();
$this->_change_headers = true;
} else {
$ACT = 'preview';
}
}
