bug#16617: 24.3.50; REGRESSION: `C-q ?' pops up annoying *Char Help* buffer

[Eli Zaretskii]

> Date: Thu, 3 Apr 2014 07:32:02 -0700 (PDT)
> From: Drew Adams <drew.adams@oracle.com>
> Cc: 16617@debbugs.gnu.org
> 
> > > There has been no response to this regression report, which includes a
> > > clear recipe to repro it.
> > 
> > Either the recipe is not clean, or you probably haven't tried it
> > starting from `emacs -Q'.
> > 
> > `C-q ?' and `C-q <f1>' insert ? or a non-printable character here.
> > No help buffers.
> 
> It seems that you did not read the bug report well.  Did you see this
> part?
> 
>  4. With `emacs -Q', you might not even notice the popped-up *Char Help*
>     buffer, which means that it does not even do what the enhancer
>     presumably intended.  It just flashes for an instant - impossible to
>     read it, and serving no purpose but to annoy and puzzle.  This alone
>     is a regression wrt previous Emacs releases.

I think it flashes so quickly that is impossible to notice on some
platforms or configurations.