feature locl {
  script latn;
  language TRK exclude_dflt;
  sub i by i.TRK;
} locl;

feature liga {
  sub f f  by f_f;
  sub f i  by f_i;
  sub f f i  by f_f_i;
  sub f l  by f_l;
  sub f f l  by f_f_l;
  sub f b  by f_b;
  sub f f b  by f_f_b;
  sub f k  by f_k;
  sub f f k  by f_f_k;
  sub f h  by f_h;
  sub f f h  by f_f_h;
  sub f j  by f_j;
  sub f f j  by f_f_j;
} liga;