Saturday, September 5, 2009

Roger L. Costello: About XML Schema 1.1

Roger L. Costello a brilliant thinker, about XML and related technologies, has recently posted extensive study materials related to XML Schema 1.1, on his web site (ref,

Roger mentions, Saxon 9.2 as one of the products that implements XML Schema 1.1 features.

From the information I have from Apache Xerces-J developer's forum, I am happy to share with the community, that Apache Xerces-J is planning to release, a preview of XML Schema 1.1 implementation, by around the end of this year (i.e, Dec, 2009). A latest snapshot of Xerces-J XML Schema 1.1 source code repository and related dependencies, is located at, User's are welcome to build binaries from the sources, available here and try XML Schema 1.1 features, currently implemented in Apache Xerces-J. Much of the XML Schema 1.1 features, are implemented at this Xerces-J snapshot URL.

1) XML Schema Definition Language (XSD) 1.1 Part 1: Structures
2) XML Schema Definition Language (XSD) 1.1 Part 2: Datatypes

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