It can be with or without "
$FarmD, it will work both in single wikis and in wikifarms. On the other side, a new user may be intimidated by too many variables and things he or she doesn't understand, and a new user is likely to start with a single wiki. For that reason, the docs/sample-config.php file and these instructions are using the "simpler" way without
$FarmD. --Petko January 25, 2012, at 04:23 PM