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