if ($form->submitted eq 'Revert' && $form->validate) {
IkiWiki::checksessionexpiry($q, $session, $q->param('sid'));
IkiWiki::disable_commit_hook();
if ($form->submitted eq 'Revert' && $form->validate) {
IkiWiki::checksessionexpiry($q, $session, $q->param('sid'));
IkiWiki::disable_commit_hook();