Letters And Numbers disparity:
Thorn Þ (222 0xde) vs. one.lining (None)
The top 25 disparities between the original kerning and Autokern's kerning, in descending order.
Original
The original kerning from the input.
Thorn (0xDE) lsb: 27.0
Thorn (0xDE) rsb: 44.0
Thorn (0xDE) right x-extrema: 553.0
Thorn (0xDE) x-advance: 597
one.lining (None) lsb: 150.0
one.lining (None) rsb: 81.0
Thorn (None) right x-extrema: 449.0
Original kerning value: 0.000 em
Original kerned x-advance: 0.597 em
Original x-extrema offset: 0.194 em
Original in-ascender x-extrema offset: 0.194 em
Autokern
Thorn (0xDE) lsb: 3.0
Thorn (0xDE) rsb: 1.0
Thorn (0xDE) right x-extrema: 529.0
Thorn (0xDE) x-advance: 530
one.lining (None) lsb: 4.0
one.lining (None) rsb: -3.0
Thorn (None) right x-extrema: 303.0
Autokern kerning value: -0.064 em
Autokern kerned x-advance: 0.466 em
Autokern x-extrema overlap: 0.059 em
Autokern in-ascender x-extrema overlap: 0.059 em