bug#19395: 25.0.50; Setting left fringe to 0 messes up window-width

[Eli Zaretskii]

> From: Titus von der Malsburg <malsburg@posteo.de>
> Cc: 19395@debbugs.gnu.org
> Date: Sun, 21 Dec 2014 23:04:51 +0100
> 
> Eli, I fixed the doc strings following your suggestions and added the
> function `window-char-height' analogous to `window-char-width' (see code
> below).  If there are no objections, I'll go ahead and submit a patch
> (after reading the relevant guidelines).

LGTM.  Now to make this a superb contribution, please add a few words
in NEWS about the new functions, and submit a patch with that.

> Thanks for your input.  I learned a lot about fonts and faces in Emacs.

You are welcome.  And thanks for working on this.