Inside the XForms validator

Performing validation on mixed-namespace documents can be more art than science. XForms 1.0, which is used as a component inside arbitrary host languages, introduces some new questions about how a validator should process such documents. This article discusses some of the challenges that the author encountered while writing an online XForms validator tool, and techniques for overcoming these problems.

http://www-106.ibm.com/developerworks/library/x-xfvalid.html

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