Re: master d8da850: Document cairo-related fallout to font-backend settings

[Eli Zaretskii]

> From: Robert Pluim <address@hidden>
> Date: Mon, 20 Jan 2020 22:50:27 +0100
> Cc: Emacs developers <address@hidden>
> 
> +Cairo.  Use 'ftcrhb' if your Emacs was built with HarfBuzz support,
> +and 'ftcr' otherwise.  You can this determine by checking
> +'system-configuration-features'.  'x' is still a valid backend.

LGTM, except that "You can this determine" needs to switch the order
of words.

Thanks.