Hello,

I have a question about the polymorphic equality and exceptions: it
seems to me that the behaviour of "=" is counter-intuitive with
respect to pattern matching of exceptions, for example as follows.

        Objective Caml version 3.01

# exception Foo;;
exception Foo
# let e = Foo;;
val e : exn = Foo
# exception Foo;;
exception Foo
# let e' = Foo;;
val e' : exn = Foo
# e = e';;
- : bool = true
# match e with Foo -> true | _ -> false;;
- : bool = false
# try raise e with Foo -> ();;
Uncaught exception: Foo.
# 

I know that the two Foo's above should be distinct, but then shouldn't
e = e' also return false?  Is this issue well known?

	Eijiro
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