xml-dev - Schema Question: Attributes

[Michael Anderson <michael@research.canon.com.au>]

Hello,
Does the use of xsi:type in an instance allow the derived type's
attributes to appear in the markup, or is only the derived content model
allowed?  For example.

In the XML Schema Document
<element name="A" type="AType" />

<complexType name="AType">
  <attribute name="attrA" type = "NCName" />
</complexType>

<complexType name="BType" base="AType" derivedBy="extension">
  <attribute name="attrB" type = "NCName" />
</complexType>

In the XML Instance Document
<A xsi:type="BType" attrA="someName" attrB="someOtherName" />

Is this okay?  Or is only attrA allowed?

Cheers
   Michael.



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