...
## You'll probably want to set an administrative password that you
## can use to get into password-protected pages.  Also, by default 
## the "attr" passwords for the PmWiki and Main groups are locked, so
## an admin password is a good way to unlock those.  See PmWiki.Passwords
## and PmWiki.PasswordsAdmin.
$DefaultPasswords['admin'] =
$DefaultPasswords['attr']  =
$DefaultPasswords['edit']  = crypt('secret');

### MH Authentication ##########################################################
include_once("$FarmD/cookbook/mountyhall_auth.php");

$HandleAuth['diff']   =
$HandleAuth['source'] = 'edit';
...