80         utree ut1;  in main()  local
81         ut1.push_back(ut);  in main()
82         BOOST_TEST(test("((abc,def))", r1, ut1));  in main()
89         ut1.push_back(ut);  in main()
90         BOOST_TEST(test("(abc,def) (abc,def)", r1 << ' ' << r1, ut1));  in main()
100         ut1.clear();  in main()
101         ut1.push_back(ut);  in main()
102         BOOST_TEST(test("((123,456))", r1, ut1));  in main()
109         ut1.push_back(ut);  in main()
110         BOOST_TEST(test("(123,456) (123,456)", r1 << ' ' << r1, ut1));  in main()
120         ut1.clear();  in main()
121         ut1.push_back(ut);  in main()
122         BOOST_TEST(test("((1.23,4.56))", r1, ut1));  in main()
129         ut1.push_back(ut);  in main()
130         BOOST_TEST(test("(1.23,4.56) (1.23,4.56)", r1 <<' ' << r1, ut1));  in main()