All disparity:
questiondown ¿ (191 0xbf) vs. backslash \ (92 0x5c)
The top 25 disparities between the original kerning and Autokern's kerning, in descending order.
Original
The original kerning from the input.
questiondown (0xBF) lsb: 20.0
questiondown (0xBF) rsb: 12.0
questiondown (0xBF) right x-extrema: 303.0
questiondown (0xBF) x-advance: 315
backslash (0x5C) lsb: 4.0
backslash (0x5C) rsb: 4.0
questiondown (0x5C) right x-extrema: 383.0
Original kerning value: 0.000 em
Original kerned x-advance: 0.315 em
Original x-extrema offset: 0.016 em
Original in-ascender x-extrema offset: 0.131 em
Autokern
questiondown (0xBF) lsb: -3.0
questiondown (0xBF) rsb: -18.0
questiondown (0xBF) right x-extrema: 280.0
questiondown (0xBF) x-advance: 262
backslash (0x5C) lsb: -15.0
backslash (0x5C) rsb: -12.0
questiondown (0x5C) right x-extrema: 364.0
Autokern kerning value: -0.089 em
Autokern kerned x-advance: 0.173 em
Autokern x-extrema overlap: 0.122 em
Autokern in-ascender x-extrema overlap: 0.007 em