"YES" L C I(identifier, Identifier("YES"), tk::Identifier_, hi::Constant);
"NO" L C I(identifier, Identifier("NO"), tk::Identifier_, hi::Constant);
+"bool" L C I(identifier, Identifier("bool"), tk::Identifier_, hi::Type);
+"BOOL" L C I(identifier, Identifier("BOOL"), tk::Identifier_, hi::Type);
"id" L C I(identifier, Identifier("id"), tk::Identifier_, hi::Type);
@end