dlig  (Discretionary ligatures) numr  (Numerators) dnom  (Denominators) tnum  (Tabular numbers) case  (Case alternates) zero  (Slashed zero) frac  (Auto fractions) sups  (Superscript) subs  (Subscript) cpsp  (Capital spacing) salt  (Stylistic Alternates) ss01  (Open Digits) ss02  (Disambiguation) ss03  (Curved r) cv01  (Alternate one) cv02  (Open four) cv03  (Open six) cv04  (Open nine) cv05  (Lower case L with tail) cv06  (Curved lower case r) cv07  (German double-s) cv08  (Upper-case i with serif) cv09  (Flat top three) cv10  (Capital G with spur) cv11  (Single-storey a)

Default-on features: Disable calt  (Contextual alternates) Disable liga  (Standard ligatures) Disable kern  (Kerning)