bug#27932: 26.0.50; Feature request: prevent scroll commands from changing the buffer location of point

[Tak Kunihiro]

>> >> I have a similar wish.
>> >>
>> >> Without revision of engine I think you can (1) restore point, (2)
>> >> preserve region, and (3) extend region.
>> >
>> > How is this different from mark-related features, starting with "C-x C-x"?
>> 
>> "C-x C-x" requires mark.
>
> Most commands that go far away do leave mark where they were invoked.

I agree.  Command in my mind that does not leave mark was mwheel-scroll.
Also C-v and M-v do not leave mark.  I think they should not.