+ * htmlscrubber: Allow the URI schemes of major VCS's.
+ * aggregate: When run with --aggregate, if an aggregation is already
+ running, don't go on and --refresh.
+ * trail: Avoid excess dependencies between pages in the trail
+ and the page defining the trail. Thanks, smcv.
+ * opendiscussion: Don't allow editing discussion pages if discussion pages
+ are disabled. (smcv)