-ts ::= ws test*/ws ws => ts
-ws !::= w*
-test ::= ^"testcase" "{" input output+/ws Grammar "}" /ws
- | ^"testcase" "{" input Grammar "}" /ws
-output ::= "output" quoted ";" /ws
-input ::= "input" quoted ";" /ws
+ts = ts:: !ws tests !ws
+tests = test */ ws
+test = tca:: "testcase" "{" input (o::(output +/ ws)) (grammaro::(grammar::Grammar)) "}" /ws
+ | tcb:: "testcase" "{" input (grammaro::(grammar::Grammar)) "}" /ws
+output = "output" Quoted ";" /ws
+input = "input" Quoted ";" /ws