bug#19972: Font size change doesn't update (window-total-width)

[Eli Zaretskii]

> Date: Mon, 02 Mar 2015 20:06:55 +0100
> From: "Jan D." <jan.h.d@swipnet.se>
> CC: steve@sanityinc.com, 19972@debbugs.gnu.org
> 
> Eli Zaretskii skrev 2015-03-02 18:56:
> >> Date: Mon, 02 Mar 2015 18:42:56 +0100
> >> From: "Jan D." <jan.h.d@swipnet.se>
> >> CC: 19972@debbugs.gnu.org
> >>
> >> No, the window manager denies the original frame resize.  There is no
> >> "resizing back".
> >
> > Where in the code does this denial happen?
> >
> 
> In the window manager code.

I meant where/how does Emacs know that its request to resize was
denied?