f (0x66) lsb: 10.0
f (0x66) rsb: 8.0
f (0x66) right x-extrema: 224.0
f (0x66) x-advance: 232
idieresis (0xEF) lsb: -26.0
idieresis (0xEF) rsb: -26.0
f (0xEF) right x-extrema: 208.0
Original kerning value: 0.000 em
Original kerned x-advance: 0.232 em
Original x-extrema overlap: 0.018 em
Original in-ascender x-extrema overlap: 0.018 em
Autokern
f (0x66) lsb: 10.0
f (0x66) rsb: 13.0
f (0x66) right x-extrema: 224.0
f (0x66) x-advance: 237
idieresis (0xEF) lsb: 17.0
idieresis (0xEF) rsb: 18.0
f (0xEF) right x-extrema: 251.0
Autokern kerning value: 0.050 em
Autokern kerned x-advance: 0.287 em
Autokern x-extrema offset: 0.080 em
Autokern in-ascender x-extrema offset: 0.080 em