There is another side to this, which is that one _should_ be able
to specify the result of a TEI customization as the source for another
and so on. Unfortunately, there are some issues to fix before that works,
but it is not that far off.
Whether this a Good Thing or not is another matter, but
it should be available as a technical possibility.
Information Manager, Oxford University Computing Services
13 Banbury Road, Oxford OX2 6NN. Phone +44 1865 283431