bug#29627: 25.3; x-show-tip does not display text when x-gtk-use-tooltips is nil and left/right-margin-width is set

[Eli Zaretskii]

> Date: Sun, 10 Dec 2017 15:28:55 +0100
> From: martin rudalics <rudalics@gmx.at>
> CC: 29627@debbugs.gnu.org, terlar@gmail.com
> 
> -       Currently only used for menu bar windows of frames.  */
> +       Currently only used for menu bar windows, for tool bar windows,
> +       and for tooltips.  */

This is part of my perennial quest to make the comments match the
code...

>  > Having said all that, if you see problem(s) caused by my change,
>  > please describe them; I'm not married to the fix I pushed.
> 
> It's OK.

Great, thanks.

> My concern was that turning tooltip windows into pseudo-windows
> would have meant a quite substantial change for the release branch.

Indeed.  Just like the opposite change bothered me.