bug#1092: compilation-goto-error goes to wrong location when buffer has hidden regions

[Stefan Monnier]

>> It's not a problem in itself, no.  But it means that if you want to
>> obsolete only one of the two uses, you can't just mark the variable
>> as obsolete.
> We cannot declare it obsolete without replacement features in place to
> which we can point.

For the selective-display=t case, we have had replacement features in
place and in wide use for what, twenty years?
We can very definitely declare this use case obsolete and stop trying to
fix problems we bump into when it's used.


        Stefan