// val = valstmt [s 92 s valstmt:followedby]
val.add(239, valstmt, valValValstmt);
Optional val_1 = new Optional(240, "val_1");
val_1.add(241, s);
val_1.add(243, new Chr(242, (char)92));
val_1.add(244, s);
val_1.add(245, valstmt, valValFollowedby);
val.add(246, val_1);
// def = lname:var s "=" s val s ";"