As of xxe 4.0 it can't recognize a xml file starting with only a <chapter> element as a docbook file. I'm including all chapter in the main document as references. It used to work with version 3.8.
How can I do that? -- Eduardo Issao Ito Summa Technologies "The structure of a system tends to mirror the structure of the group producing it." [Mel Conway - April, 1968 Datamation]

