Re: Trunk emacs infelicity with linum mode

[Eli Zaretskii]

> From: Stefan Monnier <address@hidden>
> Cc: Manoj Srivastava <address@hidden>, address@hidden
> Date: Thu, 04 Sep 2014 11:56:09 -0400
> 
> > Also, I think linum-update-window should do nothing if 'linum' is not
> > a valid face on the selected frame, because functions in
> > window-configuration-change-hook can be called in many situations on
> > which linum has no control.
> 
> This brings a new concept to me: how can a face be invalid in a specific
> frame?

I think it's because the face was not yet realized for that frame.

Before we create a new frame, we realize its basic faces, but not the
rest.  I think.