bug#34312: scroll-error-top-bottom and scroll-preserve-screen-position do not work correctly together

[Eli Zaretskii]

> From: Jarosław Rzeszótko
>       <jrzeszotko@gmail.com>
> Date: Mon, 4 Feb 2019 15:54:58 +0100
> 
> (setq scroll-error-top-bottom t)
> (setq scroll-preserve-screen-position 'always)
> 
> I open a long file, hit PageDown, then the Down key a few times. Point is at 
> some position X now. I come back
> to the beginning of buffer by hitting PageUp twice. The point is now in the 
> top left corner of the window. Here
> comes the bug: I hit PageDown and point is moved to position X, rather than 
> to the top left corner of the
> portion of the buffer that was just made visible by the scrolling.

Maybe I'm missing something, but this is the behavior I'd expect, I
wouldn't consider it a bug.  Emacs moved point to the top of the
buffer only because there was an error.  Once the error is gone, it
goes back to the remembered screen position.

Does anyone else think this is a bug?

Thanks.