Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> I understand the annoyance, but I think we do need to have an organized
> way to do testing of non-ASCII data and in particular UTF8 data, because
> there are an increasing number of special code paths for those.
Well, if you want to keep the test, we should put in the variant with
\200, because it is now clear that that is in fact the right answer
in a nontrivial number of environments (arguably *more* cases than
in which "\u0080" is correct).
regards, tom lane