All disparity:
backslash \ (92 0x5c) vs. asterisk * (42 0x2a)
The top 25 disparities between the original kerning and Autokern's kerning, in descending order.
Original
The original kerning from the input.
backslash (0x5C) lsb: 4.0
backslash (0x5C) rsb: 4.0
backslash (0x5C) right x-extrema: 383.0
backslash (0x5C) x-advance: 387
asterisk (0x2A) lsb: 36.0
asterisk (0x2A) rsb: 36.0
backslash (0x2A) right x-extrema: 295.0
Original kerning value: 0.000 em
Original kerned x-advance: 0.387 em
Original x-extrema offset: 0.040 em
Original in-ascender x-extrema offset: 0.069 em
Autokern
backslash (0x5C) lsb: -15.0
backslash (0x5C) rsb: -12.0
backslash (0x5C) right x-extrema: 364.0
backslash (0x5C) x-advance: 352
asterisk (0x2A) lsb: 6.0
asterisk (0x2A) rsb: 6.0
backslash (0x2A) right x-extrema: 265.0
Autokern kerning value: -0.073 em
Autokern kerned x-advance: 0.279 em
Autokern x-extrema overlap: 0.079 em
Autokern in-ascender x-extrema overlap: 0.050 em