+>> Hmm. I suppose if you put the title (or whatever) in the YAML, then
+>> "almost" all the places in IkiWiki that respect titles will do the
+>> right thing due to the pagetemplate hook, with the exception being
+>> anything that has special side-effects inside `meta` (like `date`),
+>> or anything that looks in `$pagestate{foo}{meta}` directly
+>> (like `map`). Is your plan that `meta` should register itself by
+>> default, and `map` and friends should be adapted to
+>> work based on `getfield()` instead of `$pagestate{foo}{meta}`, then?
+>>
+>> (On the site I mentioned, I'm using an unmodified version of `field`,
+>> and currently working around the collision by tagging books' pages
+>> with `bookauthor` instead of `author` in the YAML.) --s
+