[XeTeX] Checking if a font exists

[Philip Taylor (Webmaster, Ret'd)]

Akira Kakuto wrote:

> Thanks. There is a difference between

> \suppressfontnotfounderror0
>
> and
>
> \suppressfontnotfounderror1

I think it might be helpful for those unfamiliar with
the most terse form of TeX syntax to explain that these
are more conventionally written :

 > \suppressfontnotfounderror = 0
 >
 > and
 >
 > \suppressfontnotfounderror = 1

i.e., one variable, two possible values to be assigned,
rather than (as some less experienced TeXxies might
conceivably think) two variables differing subtly in name ...

** Phil.