RE: [xml-dev] Does a XSD schema define the minimum or maximum structure of an XML doc?

• From: "Ben Stover" <bxstover@...>
• To: "xml-dev" <xml-dev@...>,"Michael Kay" <mike@...>
• Date: Thu, 03 Apr 2008 08:32:16 +0200

That would mean:

If the XSD schema designer does NOT insert xs:any or xs:anyAttribute
tags then (=default) additional 

attributes are NOT allowed
elements are NOT allowed

when the XML should be valid?

Is this your statement?

Ben

On Wed, 2 Apr 2008 17:25:24 +0800, Michael Kay wrote:

>> Assume I have an XML doc and the referring XSD schema.
>> 
>> Can I add now additional elements and additional attributes 
>> (for existing
>> elements) in the XML doc without getting the XML doc invalid?
>> 

>Only if the schema allows it, by means of wildcards: xs:any and
>xs:anyAttribute. It's up to the schema designer whether to permit such
>extensions or not.

>Michael Kay
>http://www.saxonica.com/