Hello In the release branch file:///C:/cygwin/home/Vicente/boost/boost_1_35_pre/libs/test/doc/examples/unit_test_example5.html the reference to unit_test_example5.input is invalid. The same is true for unit_test_exampleI.input I in 1..5 The same seams true on trunc. ____________________ Vicente Juan Botet Escriba