SOLVED Best way to add empty kerning to a UFO (to make compatible with kerned font)?



  • I'm adding blank kerning to a monospace font, in order to make it compatible with a proportional font. Ultimately, I'm building a variable font with a "Monospace" axis, via FontMake, and it fails if some sources have kerning, but others don't.

    Is there a better way to add blank kerning than this?

    if len(f.kerning) == 0:
        f.kerning[("A", "A")] = 0
    

  • admin

    fontMake requires all masters have the same kerning pairs.

    Batch is solving this for you by adding interpolated values for non existing pairs

    f.kerning[("A", "A")] = 0 is the only way

    good luck


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