Greater support than just Basic Latin characters

[casperdewith]

The Unicode support for this font is not much. It butchers certain characters (e.g. ĉ ţ ż), and doesn’t include many at all (e.g. č ť ț). These are only in the Latin Extended-A range, so it’s important to include them in your font.

(above: what Mona looks like; below: what it’s supposed to look like.)

[tobiasahlin]

Thank you @casperdewith! Linked to this issue from #29, for tracking purposes.