... Unfortunately, the open-editability of many wiki systems often makes them attractive targets for "link spam" or "wikispam", in which links are added to pages in an effort to increase search engine rankings or drive traffic to other sites. ... BlocklistPages = array('Main.Blocklist', 'PmWiki.Blocklist'); . The order of blocklists really doesn't matter -- all of the blocklist pages ultimately get used, and the unblock: entries are processed after all of the blocklist pages have been loaded. ...