feature dlig { sub f f by f_f; } dlig; feature liga { script latn; language dflt; #set comment (#) for FDK 2.5 lookup liga01 { sub f_f i by f_f_i; sub f i by fi; } liga01; lookup liga02 { sub f_f l by f_f_l; sub f l by f_l; } liga02; language TUR exclude_dflt; lookup liga02; } liga;