Hi all, Why is it that boost::archive::binary_oarchive and binary_woarchive require different headers? Isn't this against the custom in other headers, e.g. both string and wstring are defined in <string>. -- Hector C. ---------------------------------- ____________________________________________________________________________________ Be a better Globetrotter. Get better travel answers from someone who knows. Yahoo! Answers - Check it out. http://answers.yahoo.com/dir/?link=list&sid=396545469