Re: Redisplay issue

[Eli Zaretskii]

> Date: Fri, 04 Dec 2015 10:05:14 +0100
> From: martin rudalics <address@hidden>
> CC: Eli Zaretskii <address@hidden>, emacs-devel <address@hidden>
> 
>  > Without cairo:
>  >
>  > 17 (#o21, #x11, ?\C-q)
>  >
>  > With cairo:
>  >
>  > 16 (#o20, #x10, ?\C-p)
> 
> So it's the Cairo font backend.  59 text lines plus one menu bar line
> give the 60 pixels difference.

I don't understand how can it do that with the same size of the same
font.  Some bug in ftcrfont.c, perhaps?