registerFunction("!=", new NotEqualFunction());
registerFunction("#!=", new NumericNotEqualFunction());
registerFunction("<", new LessFunction());
registerFunction(">", new GreaterFunction());
registerFunction("<=", new LessOrEqualFunction());
registerFunction(">=", new GreaterOrEqualFunction());
registerFunction("#", new NumericFunction());
// Not an operator, but JSilver cannot function without as it's used by
// the <?cs name ?> command.
registerFunction("name", new NameFunction());