All disparity:
slash / (47 0x2f) vs. underscore _ (95 0x5f)
The top 25 disparities between the original kerning and Autokern's kerning, in descending order.
Original
The original kerning from the input.
slash (0x2F) lsb: 4.0
slash (0x2F) rsb: 4.0
slash (0x2F) right x-extrema: 348.0
slash (0x2F) x-advance: 352
underscore (0x5F) lsb: 36.0
underscore (0x5F) rsb: 36.0
slash (0x5F) right x-extrema: 555.0
Original kerning value: 0.000 em
Original kerned x-advance: 0.352 em
Original x-extrema offset: 0.040 em
Original in-ascender x-extrema overlap: None
Autokern
slash (0x2F) lsb: -10.0
slash (0x2F) rsb: -3.0
slash (0x2F) right x-extrema: 334.0
slash (0x2F) x-advance: 331
underscore (0x5F) lsb: 8.0
underscore (0x5F) rsb: 9.0
slash (0x5F) right x-extrema: 527.0
Autokern kerning value: -0.205 em
Autokern kerned x-advance: 0.126 em
Autokern x-extrema overlap: 0.200 em
Autokern in-ascender x-extrema overlap: None