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| | Re: DTDs, W3C Schemas, RELAX NG, Schematron? |
 | | With union, it's dead simple: if you have two RELAX NG schemas, s1.rng and s2.rng, then is a schema that matches the union. |
 | | However, RELAX NG doesn't have general intersection and difference operators. |
 | | The good news is that there's a very smart researcher, Haruo Hosoya, who created XDuce for his PhD, a large part of which is dealing with computing subset relationships for a type system which is very similar to RELAX NG. |
| www.stylusstudio.com /xmldev/200205/post81310.html (369 words) |
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