Sybase PowerDesigner XML User Manual page 24

Defining the XML model environment
Changes concerning simple and complex types
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4 Click OK.
A message box informs you that the current XML language has been
changed.
5 Click OK.
Simple types and complex types are only supported by XSDs (schemas).
When changing an XSD into a DTD or an XDR, simple types and global
complex types (directly linked to the <schema> tag) disappear from the
diagram and the Browser tree view. Local complex types (within an element)
are expanded in the diagram, beneath their containing element.
Example of a complex type with XSD:
HighDefinition is a global complex type, reused as data type for the
deluxeTV element.
The same example with DTD or XDR:
For more information on simple and complex types, see sections
Defining simple types and Defining complex types in chapter Building
an XML model.
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