Re: scroll-down with pixel transition

[Tak Kunihiro]

>>> Thanks.  AFAICT, this exhibits the same problem I was talking about:
>>> after pixel-level scrolling, if the first screen line of the window is
>>> not completely visible, typing C-n or C-p will scroll the window to
>>> make it fully visible, thus undoing the effect of the pixel-level
>>> scroll.  Isn't that what you see?
>> 
>> Not really, because it checks (line-pixel-height) before scrolling and 
>> scrolls up until fully visible.  There is no chance to move point into
>> partially visible line.
> 
> I think there's a misunderstanding.  Here's a recipe:
> 
>  emacs -Q
>  M-x load-file RET pixel-scroll.el RET
>  M-x pixel-scroll-mode RET
>  M-x set-variable RET pixel-resolution-fine-p RET
>  C-x C-f some-file RET
>  C-u C-u C-n
>  Scroll slowly with the mouse-wheel, one click at a time, until the
>    first screen line is partially visible
>  C-n
> 
> The last C-n causes a scroll which undoes the pixel-level scroll.  The
> first screen line is now fully visible, and window's vscroll is now
> zero.
> 
> Am I missing something?

You are correct.  Sorry for confusion.
I should have eliminated codes in regard to `pixel-resolution-fine-p’.

My intension was, to show an example of scrolling single line up with
(setq pixel-resolution-fine-p nil).

Thank you Yuri, for translation.