+ * 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)
+ * poll: Add expandable option to allow users to easily add new choices to
+ a poll.
+ * trail: Avoid massive slowdown caused by pagetemplate hook when displaying
+ dynamic cgi pages, which cannot use trail anyway.