Letters And Numbers disparity:
one.sub (None) vs. Ydieresis Ÿ (376 0x178)
The top 25 disparities between the original kerning and Autokern's kerning, in descending order.
Original
The original kerning from the input.
one.sub (None) lsb: 70.0
one.sub (None) rsb: 40.0
one.sub (None) right x-extrema: 304.0
one.sub (None) x-advance: 344
Ydieresis (0x178) lsb: 37.0
Ydieresis (0x178) rsb: 27.0
one.sub (0x178) right x-extrema: 632.0
Original kerning value: 0.000 em
Original kerned x-advance: 0.344 em
Original x-extrema offset: 0.077 em
Original in-ascender x-extrema offset: 0.163 em
Autokern
one.sub (None) lsb: 5.0
one.sub (None) rsb: -15.0
one.sub (None) right x-extrema: 239.0
one.sub (None) x-advance: 224
Ydieresis (0x178) lsb: -20.0
Ydieresis (0x178) rsb: -20.0
one.sub (0x178) right x-extrema: 575.0
Autokern kerning value: -0.126 em
Autokern kerned x-advance: 0.098 em
Autokern x-extrema overlap: 0.161 em
Autokern in-ascender x-extrema overlap: 0.075 em