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

[Stefan Kangas <stefan@marxist.se>]

Robert Pluim <rpluim@gmail.com> writes:

> The correct choice depends on how their Emacs has been built; ftcr and
> ftcrhb are mutually exclusive [1](see my earlier update to the elisp
> manual). I guess we could say something like this:

Indeed, I read that after I wrote the above.

> -Cairo.  Use either 'ftcr' or 'ftcrhb' instead for FreeType and
> -FreeType + HarfBuzz respectively.  'x' is still a valid backend.
> -
> +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.

Thank you, that is much better.  Please install.

> [1]  My master plan to remove as many different variations as possible
>      seems to get shot down every time I suggest it :-)

BTW, if 'ftcr' only works when built without HarfBuzz, and 'ftcrhb'
only works with HarfBuzz, can't we just use 'ftcr' and detect HarfBuzz
automatically for the user?

Best regards,
Stefan Kangas