> No, I'm using a derivative of the LaTeX Book style. Shouldn't I be > able to export to docbook anyway?
Of course not, since the document structure(s) won't match. To be able to export to docbook, you need to use a LaTeX document class that matches the docbook structure. And even then, LyX afaik does not enforce a "schema" like XML/SGML editors do, so you can still end up accidentally creating a document that wouldn't validate/convert. Sincerely, Wolfgang