Oleksandr Manzyuk <manzyuk@gmail.com> writes:

> 1. M-x eval-expression RET (setq scroll-preserve-screen-position t) RET
>
> 2. Open a long file that takes up more than one screen.
>
> 3. Make sure that the beginning of the file is at the top of the screen
> and go to a line near the bottom of the screen.
>
> 4. Press C-l to bring that line to the center of the screen.
>
> 5. Press M-v and then C-v.
>
> The expected behavior is that point goes back to the line where it
> started.  It is not so, however.  When M-v is pressed, the window is
> scrolled so that the beginning of the file is at the top of the screen
> and point is placed in the center-most line.

(This bug report unfortunately got no response at the time.)

I'm not quite sure I follow the recipe here, but if I understand you
correctly, then a simpler recipe is simply:


emacs -Q src/alloc.c
M-: (setq scroll-preserve-screen-position t) RET

Then move point down to the next-to-last line