Aubrey Jaffer <xxxxxx@alum.mit.edu> writes:

> I think that an implementation should be allowed to signal an error
> under some conditions where an error object is encountered.  Mandating
> readable written representations for error objects prevents an
> implementation from signaling such errors.

I think this might be confused.  Surely the mandating of a
representation would mean "if you print something (rather than
signalling an error) you should print it such-and-such a way."

Thomas