bug#19972: 24.4; Font size change doesn't update (window-total-width)

[Eli Zaretskii <eliz@gnu.org>]

> From: Joost Kremers <joostkremers@fastmail.fm>
> Cc: rudalics@gmx.at, 19972@debbugs.gnu.org
> Date: Sun, 01 Mar 2015 21:43:35 +0100
> 
> > FWIW, I don't see a different value after evaluating the
> > face-spec-recalc form, even if I start with a maximized frame.  What I
> > see is a frame whose part is invisible because it is beyond the screen
> > edges.  Which is what I'd expect.
> 
> On my system (Elementary OS, which is based on Ubuntu, but uses a
> different graphical environment), the frame doesn't change its size.

What is your window manager?

> Since the font size changes, there are fewer characters on a line,
> which, AFAIU, should be reflected in the value returned by
> `window-total-width'. 

I think Emacs doesn't expect the frame size to remain unchanged in
pixels.

I asked about values returned by window-width in this scenario, can
you provide them?