languagesystem DFLT dflt;
languagesystem latn dflt;
languagesystem latn TRK;
lookup gsub1_all {
sub b by c;
} gsub1_all;
lookup gsub1_latn {
sub a by d;
} gsub1_latn;
lookup gsub1_trk {
sub a by e;
} gsub1_trk;
feature ss01 {
lookup gsub1_all;
} ss01;
feature locl {
script latn;
lookup gsub1_latn;
language TRK exclude_dflt;
lookup gsub1_trk;
} locl;
feature calt {
script latn;
lookup gsub1_latn;
language TRK;
lookup gsub1_trk;
} calt;