what style of [[WikiLink]]s are supported, maybe some people want to add
[[CamelCase]] for example, or don't like the [[SubPage/LinkingRules]].
-The finalize step is where the page gets all the pretty junk around the
-edges, so that clearly needs to be pluggable too.
-
There also needs to be a step before finalize, where stuff like lists of pages
that linked back to it could be added to the page. However, doing linkbacks
also needs to tie into the main logic, to determine what pages need to be