[Ur] "unhandled exception: UnboundNamed"

[Vag Vagoff]

Hi!

after compiling this:

	g.urp:
		t
		list11
	t.ur:
		signature TUPLE = sig
		val fst : a ::: Type -> b ::: Type -> a * b -> a
		val snd : a ::: Type -> b ::: Type -> a * b -> b
		end
		structure T : TUPLE = struct
		fun fst [a] [b] (a,b) = a
		fun snd [a] [b] (a,b) = b
		end
	list11.ur:
		open T
	command:
		urweb g

compiler throws very strange message:

	unhandled exception: UnboundNamed

and not mention any names.

Perhaps some bugs in compiler error reporting?

(Checked on both release and development versions)

Vag.
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