Gregory Murphy writes:
 > I would like to mark up documentation of a software project. I am torn
 > between two DTDs: TEI and DocBook. While DocBook is much better suited to
 > technical material, I like the header, bibliographical and linking elements
 > of the TEI better.

why not write an extension to the TEI, using the very fine Pizza Chef,
adding in the software description elements you need? then you can
keep the rest of the TEI as is.

Alternatively, forget DTDs, and use the Docbook elements in a
different namespace.

sebastian rahtz