As far as I know, there's no Perl XML parser that handles XML Schema. A few weeks ago I did a project which involved schema, so I had to work in Java (Apache Xerces). According to the libxml2 webpage, it doesn't support schema either, although it is in the works.

XML Schema technology is well-supported and quite mature in the Java and C++ world, so it would be very nice if someone would do something about Perl's lack of XML Schema support (hint, hint, and yes, I know the standard reply to this, but I haven't got the time).

DTDs are no match for XML Schema, especially with respect to data type validation. Structure is okay with DTDs, although schema offer superior flexibility.

You might have a look at Apache's Xerces-Perl though. It was not an option for me unfortunately.

Just my 2 cents, -gjb-

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