external xml includes

this isn't stricly a xslt question but bear with me. In working on a xslt
based solution I realized it would be optimal if I could create xml files
that referenced external xmlfiles which are included when doing a
transformation. I could build my own parser that searched for a specific tag
before transformation and imported the external references but I'm wondering
if there's a better way... XLink or something?  Talking Microsoft enviroment
here, msxml3.0+ or .NET...

Best Regards
---
Mattias Konradsson


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