Bug#900777: fontmake: fails to rebuild fonts-firacode from its glyphs source

[Fabian Greffrath]

James Godfrey-Kittle wrote:
> Hm, I'm unable to reproduce this error with fontmake 1.6.1 and the
> latest version of FiraCode from https://github.com/tonsky/FiraCode.

Is this with the fontmake version packaged in Debian?

 - Fabian