All disparity:
underscore _ (95 0x5f) 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.
underscore (0x5F) lsb: 36.0
underscore (0x5F) rsb: 36.0
underscore (0x5F) right x-extrema: 555.0
underscore (0x5F) x-advance: 591
backslash (0x5C) lsb: 4.0
backslash (0x5C) rsb: 4.0
underscore (0x5C) right x-extrema: 383.0
Original kerning value: 0.000 em
Original kerned x-advance: 0.591 em
Original x-extrema offset: 0.040 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
backslash (0x5C) lsb: -15.0
backslash (0x5C) rsb: -12.0
underscore (0x5C) right x-extrema: 364.0
Autokern kerning value: -0.226 em
Autokern kerned x-advance: 0.310 em
Autokern x-extrema overlap: 0.232 em
Autokern in-ascender x-extrema overlap: None