bug#30016: Improve visibility of Process List

[Eli Zaretskii <eliz@gnu.org>]

> From: Juri Linkov <juri@linkov.net>
> Cc: 30016@debbugs.gnu.org
> Date: Wed, 10 Jan 2018 23:34:53 +0200
> 
> It occurred to me that better would be to make tabulated-list columns
> resizable.  So if the default column size truncates an important part,
> the user could drag the column separator to make it wider, or use
> a new key to resize the column, like ‘C-x {’ and ‘C-x }’ are used
> to resize the window.

This could be a nice feature, but it cannot be the solution for the
problem at hand, because there are session without mice, where
dragging anything is impossible.

> There is one problem: when ‘yes-or-no-p’ is replaced with ‘y-or-n-p’:
> 
>   (fset 'yes-or-no-p 'y-or-n-p)
> 
> in ~/.emacs it's impossible to switch to the *Process List* buffer
> to do this.

What do you mean by "impossible"?  When I try switching to that
buffer, I'm not asked any questions at all, so how does yes-or-no-p
come into play here?