ts ::= ws tests ws => ts tests ::= test */ ws ws !::= w* test ::= ^"testcase" "{" input output +/ ws Grammar "}" /ws | ^"testcase" "{" input Grammar "}" /ws | ^"tibcase" "{" input output +/ ws Grammar "}" /ws | ^"tibcase" "{" input Grammar "}" /ws output ::= ^"output" Quoted ";" /ws input ::= "input" Quoted ";" /ws