Actually, tags can't be made to work with and w/o tagbase, so just make it
assume tagbase is set. Better example anyway.
(It'll be a broken link on ikiwiki.info though.)
* Add examples page with some examples of things that can be done using
ikiwiki, like a weblog. The examples can be copied into a user's wiki
for a quick start, without needing to learn everything about how to put
them together.