Well, that was a waste of time then (not really, it was a good exercise,
if nothing else).
Really, though, I needed -- well, wanted -- "case" for something
I was working on, and thought I had seen it somewhere, but it wasn't
in the docs I checked on the web, and I didn't even think to check
the console help or the cookbook.
The worst part is I've realized the version I uploaded originally
is slightly broken...
Blah. Well, next time I'll have to be more careful not to reinvent