[metapost] Glyph of with mplib

[Taco Hoekwater]

> On 8 Jul 2019, at 17:01, Taco Hoekwater <taco at elvenkind.com> wrote:
> 
> No, you really need a type1 font. 
> 
> The problem here is not on the metapost side, but in finding the actual file.
> Mplib’s finder callback and kpse’s find_file() do not agree on the search type name
> for fonts (most all of kpse types are simply file extensions, but more descriptive names). 

I forgot a ’not’ above, this should read: ’are *not* simply file extensions, ...'

Taco