Re: [Groff] [Heirloom] Problem with specific TTF font

[Marcin Cieslak]

Dnia 21.08.2016 Werner LEMBERG <address@hidden> napisał/a:
>
>> I don't know if spaces are forbidden in the spec, but I have
>> proposed the change (https://github.com/n-t-roff/heirloom-doctools/pull/34)
>> to properly encode the glyph name so it does not
>> interfere with PostScript.
>
> Glyph names in a `post' table must not contain spaces, since they are
> intended to be used as PostScript entities.  A PostScript program uses
> spaces to separate tokens.
>
> From the MS recommendations for OpenType fonts, section `post' table:
>
>   https://www.microsoft.com/typography/otspec/recom.htm
>
>     The PostScript glyph name must be no longer than 31 characters,
>     include only uppercase or lowercase English letters, European
>     digits, the period or the underscore, i.e. from the set
>     [A-Za-z0-9_.] [...]

Thank you Werner, somehow I couldn't find that one.

Marcin