bug#25157: 26.0.50; whitespace-cleanup does not remove single trailing empty line anymore

[npostavs]

Reuben Thomas <rrt@sc3d.org> writes:

> On Dec 22, 2016 2:17 AM, <npostavs@users.sourceforge.net> wrote:
>> >
>> > The only thing I'd change in your match is, as in mine, remove the FIXME 
>> > after save-match-data.​
>>
>> (whitespace-cleanup): Remove a FIXME: the reason for save-match-data
>> is the call of re-search-forward.
>>
>> I'm not sure this is a sufficient explanation of why save-match-data is
>> needed. Usually in Emacs the caller is responsible for saving the match
>> data, if it needs to. I don't really see the need here.
>
> Can it be removed then?

Probably yes.

> The only perhaps unexpected thing I can think of is that whitespace-cleanup 
> can be called from a hook, such as save-file-hook, but that
> doesn't seem to matter.