Hello, Alan.

Lars reminded me of this old report that tries to add support for
a non-nil value of scroll-error-top-bottom for scrolling in follow-mode.

Now I updated the patch for the current master.
Do you think this is the right fix?

>> follow.el could use better commands scroll-up-command/scroll-down-command
>> like in this patch to work smoothly when scroll-error-top-bottom is t,
>> but a special condition in follow-scroll-up/follow-scroll-down
>> that checks for scroll-preserve-screen-position prevents from scrolling
>> and returns point to the old position, and there is no comment
>> explaining this special-casing.
>
> [...]
>
>> -	 (scroll-up arg))
>> +	 (scroll-up-command arg))
>
> Your patch basically replaces some of the calls to scroll-{up,down} with
> scroll-{up/down}-command, which I think makes sense, since this is
> supposed to emulate the normal scroll up/down commands, as far as I can
> tell.
>
> But the patch no longer applies, and I don't use follow mode.  Could a
> follow mode user say whether this is what they'd expect, and if so, spin
> a new patch?