All disparity:
underscore _ (95 0x5f) vs. q (113 0x71)
The top 25 disparities between the original kerning and Autokern's kerning, in descending order.
Original
The original kerning from the input.
underscore (0x5F) lsb: 36.0
underscore (0x5F) rsb: 36.0
underscore (0x5F) right x-extrema: 555.0
underscore (0x5F) x-advance: 591
q (0x71) lsb: 36.0
q (0x71) rsb: 40.0
underscore (0x71) right x-extrema: 295.0
Original kerning value: 0.000 em
Original kerned x-advance: 0.591 em
Original x-extrema offset: 0.072 em
Original in-ascender x-extrema overlap: None
Autokern
underscore (0x5F) lsb: 8.0
underscore (0x5F) rsb: 9.0
underscore (0x5F) right x-extrema: 527.0
underscore (0x5F) x-advance: 536
q (0x71) lsb: 23.0
q (0x71) rsb: 28.0
underscore (0x71) right x-extrema: 282.0
Autokern kerning value: -0.130 em
Autokern kerned x-advance: 0.406 em
Autokern x-extrema overlap: 0.098 em
Autokern in-ascender x-extrema overlap: None