On Saturday, March 1, 2014, martin rudalics <rudalics@gmx.at> wrote:
> I just posted this setq line as a workaround. And why does it break? Because if you set it then C-M-v will always try to scroll *Completions* and not regular other-window buffer which is useful sometimes (e.g. while using help, an approach mentioned even in tutorial).
So it seems there are two ways to tackle this problem:
(1) Kill the *Completions* buffer when we're done so it won't be
inadvertently displayed by `other-window-for-scrolling'.
(2) Bind `other-window-scroll-buffer' temporarily only as long as the
*Completions* buffer is shown.
martin