function reprIs(a, b) {
arguments[0] = repr(a);
arguments[1] = repr(b);
alert.apply(this, arguments);
}
reprIs( lstrip("\r\t\n foo \n\t\r"), "foo \n\t\r", "lstrip whitespace chars" );
reprIs( rstrip("\r\t\n foo \n\t\r"), "\r\t\n foo", "rstrip whitespace chars" );
reprIs( strip("\r\t\n foo \n\t\r"), "foo", "strip whitespace chars" );
reprIs( lstrip("\r\n\t \r", "\r"), "\n\t \r", "lstrip custom chars" );
reprIs( rstrip("\r\n\t \r", "\r"), "\r\n\t ", "rstrip custom chars" );
reprIs( strip("\r\n\t \r", "\r"), "\n\t ", "strip custom chars" );