transform xml using two different sets of entities

[Sebastian Fey]

hi,


im looking for a way to paramterize a xml document.
ive a documentation in docbook-xml and want to transform it using two
different sets of entities.
(resulting documents just differ in some productcodes and names)

i think this could be done using xml-catalogs (right?) but unforunately im
using IE for a quick preview and it cant handle catalogs.
anyone an idea what to do?

thx
sebastian