Arab Numerals disparity:
eight 8 (56 0x38) vs. seven 7 (55 0x37)
The top 25 disparities between the original kerning and Autokern's kerning, in descending order.
Original
The original kerning from the input.
eight (0x38) lsb: 54.0
eight (0x38) rsb: 54.0
eight (0x38) right x-extrema: 458.0
eight (0x38) x-advance: 512
seven (0x37) lsb: 27.0
seven (0x37) rsb: 57.0
eight (0x37) right x-extrema: 387.0
Original kerning value: 0.000 em
Original kerned x-advance: 0.512 em
Original x-extrema offset: 0.081 em
Original in-ascender x-extrema offset: 0.081 em
Autokern
eight (0x38) lsb: 9.0
eight (0x38) rsb: 7.0
eight (0x38) right x-extrema: 413.0
eight (0x38) x-advance: 420
seven (0x37) lsb: -2.0
seven (0x37) rsb: 14.0
eight (0x37) right x-extrema: 358.0
Autokern kerning value: -0.018 em
Autokern kerned x-advance: 0.402 em
Autokern x-extrema overlap: 0.013 em
Autokern in-ascender x-extrema overlap: 0.013 em