bug#23399: 25.0.93; follow-scroll-up not working properly

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bug#23399: 25.0.93; follow-scroll-up not working properly

Milan Zamazal-4
In GNU Emacs 25.0.93.2 (x86_64-unknown-linux-gnu, GTK+ Version 2.24.29)
 of 2016-04-27 built on pdm

follow-scroll-up works the same way as scroll-up instead of scrolling to
the bottom of the last window in the follow chain.

How to reproduce the bug:

- Run Emacs: emacs -Q
- Type `C-h t' to display the tutorial.
- Type `C-x 3' to split the window.
- Type `M-x follow-mode RET' to switch to follow-mode.
- Type `C-c . C-v' to invoke follow-scroll-up.

The buffer is scrolled up only to the bottom of the left window (to
"From now on, ...") instead to the bottom of the right window (to
"\n>> Do a few C-n's ..."), which is a bug and regression from
Emacs 24.5.

There is the same bug with follow-scroll-down.



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bug#23399: 25.0.93; follow-scroll-up not working properly

martin rudalics
 > In GNU Emacs 25.0.93.2 (x86_64-unknown-linux-gnu, GTK+ Version 2.24.29)
 >   of 2016-04-27 built on pdm
 >
 > follow-scroll-up works the same way as scroll-up instead of scrolling to
 > the bottom of the last window in the follow chain.
 >
 > How to reproduce the bug:
 >
 > - Run Emacs: emacs -Q
 > - Type `C-h t' to display the tutorial.
 > - Type `C-x 3' to split the window.
 > - Type `M-x follow-mode RET' to switch to follow-mode.
 > - Type `C-c . C-v' to invoke follow-scroll-up.
 >
 > The buffer is scrolled up only to the bottom of the left window (to
 > "From now on, ...") instead to the bottom of the right window (to
 > "\n>> Do a few C-n's ..."), which is a bug and regression from
 > Emacs 24.5.

I suppose this was only a temporary regression since I cannot observe it
with any of the builds I have here.  Please try again with Emacs 25.2 or
Emacs 26.

Thanks, martin



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bug#23399: 25.0.93; follow-scroll-up not working properly

Milan Zamazal-4
martin rudalics <[hidden email]> writes:

>> In GNU Emacs 25.0.93.2 (x86_64-unknown-linux-gnu, GTK+ Version 2.24.29)
>>   of 2016-04-27 built on pdm
>>
>> follow-scroll-up works the same way as scroll-up instead of scrolling to
>> the bottom of the last window in the follow chain.
>>
>> How to reproduce the bug:
>>
>> - Run Emacs: emacs -Q
>> - Type `C-h t' to display the tutorial.
>> - Type `C-x 3' to split the window.
>> - Type `M-x follow-mode RET' to switch to follow-mode.
>> - Type `C-c . C-v' to invoke follow-scroll-up.
>>
>> The buffer is scrolled up only to the bottom of the left window (to
>> "From now on, ...") instead to the bottom of the right window (to
>> "\n>> Do a few C-n's ..."), which is a bug and regression from
>> Emacs 24.5.
>
> I suppose this was only a temporary regression since I cannot observe it
> with any of the builds I have here.  Please try again with Emacs 25.2 or
> Emacs 26.

Yes, it seems to work correctly in Emacs 25.3.

Regards,
Milan



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bug#23399: 25.0.93; follow-scroll-up not working properly

martin rudalics
 > Yes, it seems to work correctly in Emacs 25.3.

Then I close this bug.

Thanks, martin