Using RELAX NG to Generate WXS

While I'd prefer to use RNG for features like co-occurrence constraints, a better match between XML's capabilities and those of the schema language, and a generally friendlier lack of barriers on what I can do
The world seems stuck in WXS I'm writing about Office 2003's XML capabilities at the moment: they're all tied to WXS. When I create new formats, some portion of users want WXS. This would be depressing, if I had to work with WXS
Instead... I write in RELAX NG Compact Syntax, occasionally using the RELAX NG XML syntax, and then I convert my schemas to WXS using Trang. So long as I don't get excited about RELAX NG features (like non-determinism and co-occurrence constraints) which aren't supported in WXS, I can work in RELAX NG and share in WXS (and DTDs, for that matter.)
Writing format, destination format It's odd to create in one format while targeting another. On the other hand, it's not that much stranger than writing in a programming language and delivering results for multiple platforms.
RELAX NG tools growing, though Data binding, directed editing, and other common WXS-dependent features are more and more available for RELAX directly