Just wondering if anyone has taken a look at tbook. http://tbookdtd.sourceforge.net/ It's a DTD, along with a collection of XSLT files and shell scripts designed for output to LaTeX, DocBook, and XHTML (complete with support for MathML, as well as xindy). My thought is that it might be an interesting XML authoring tool in conjunction for ConTeXt, though the current LaTeX XSLT files would have to be tweaked obviously. Don't know how much work is involved in that, but at some point I'll take a look. Something like this would be all the more useful, I assume, once we see m-bib v2 (sometime soon Taco?)... Bruce