bug#10133: (24.0.91; mark-active)

[Chong Yidong]

Stefan Monnier <monnier@IRO.UMontreal.CA> writes:

>> Nowhere in the doc of eg log-view-diff does it say that the function
>> behaves differently if transient mark mode is on.  So I don't see that
>> there is a bug here.
>
> It's maybe not a bug, but it's a limitation.
> I think `use-region-p' would make a lot of sense here nowadays (there
> was no temporary tmm back when I wrote the code, so something like
> use-region-p would have made the "diff between 2 revisions"
> inaccessible to non-tmm users, but this limit has now been lifted).

I changed it to use use-region-p.