1lookup GSUB6f1 { 2 ignore sub one two three' four' five six seven; 3 ignore sub two one three' four' six five seven; 4} GSUB6f1; 5 6lookup GSUB6f2 { 7 ignore sub [A - H] [I - Z] [a - z]' [A - H]' [I - Z]'; 8 ignore sub [I - Z] [A - H] [a - z]' [A - H]' [I - Z]'; 9 ignore sub [A - H] [I - Z] [a - z]' [I - Z]' [A - H]'; 10} GSUB6f2; 11 12lookup GSUB6f3 { 13 ignore sub [space comma semicolon] e'; 14} GSUB6f3; 15 16feature test { 17 lookup GSUB6f1; 18 lookup GSUB6f2; 19 lookup GSUB6f3; 20} test; 21