Re: [xml-dev] DTDs, W3C Schemas, RELAX NG, Schematron?

[Sean McGrath <sean.mcgrath@propylon.com>]

["Bullard, Claude L (Len)"]
 >> Please elaborate on how RELAX is more powerful than XSD.

 >John Cowan

 >1) RNG allows nondeterministic content models.  A content
 >model like ((X+,A*,Y+,A*) | (X+, A*) | (Y+, A*) | empty) need
 >not be painstakingly rewritten as ((X+,A*,(Y+,A*)?) | (Y+,A*)?).
 >... [ detailed and excellent exposition elided]

Also, I would add:

-  RNG makes easy things easy whilst making hard
things possible - without expensive or vendor-specific
tools.

- The only tool you need to wield it is a text editor.

- It is possible to pick up an RNG schema and
JUST READ IT to understand it.

regards,
Sean