* Jeremy Bem:

> Yes and no, respectively.  In other words, nothing new here.

Oh.  I just happen to think that those two are very high on the list
of things you want to fix once you can start with a clean slate.

> Is there a better approach to polymorphic equality floating around?

Besides type classes?  I'm not sure.  It's probably possible to remove
this feature from the language, with a little bit of syntactic
overhead to pass around a matching comparison function.