[Boost-users] [Serialization] XML serialization (newbie question)

I have a newbie question regarding Boost XML serialization: In the example of an XML archive ( http://www.boost.org/libs/serialization/example/demo_save.xml), there are lots of attributes (class_id, tracking_level, class_id_reference etc) included in the XML output. I would like to produce an XML archive _without_ these attributes - how do I achieve that? Can such an XML archive be restored, or are the attributes needed for "de-serialization" to work properly? Thanks, hcsson@gmail.com