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The root element named "root" can have an arbitrary number of any elements from namespace other than the target namespace. The target namespace is null here. The "namespace" attribute will be set to value "##other". It will allow all elements which are from namespace other than null namespace.
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Valid document <root xsi:noNamespaceSchemaLocation="correct_0.xsd" xmlns="" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" > <a:a xmlns:a="http://bar" /> </root> Invalid document <root xsi:noNamespaceSchemaLocation="correct_0.xsd" xmlns="" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" > <a/> </root> |
Correct XML Schema (correct_0.xsd) <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" > <xsd:element name="root"> <xsd:complexType> <xsd:sequence minOccurs="1" maxOccurs="1"> <xsd:any namespace="##other" minOccurs="0" maxOccurs="unbounded" processContents="skip"/> </xsd:sequence> </xsd:complexType> </xsd:element> </xsd:schema> |
The element "anyName" says that the attribute can have any name from any namespace. We will exclude all attributes from the null namespace ("target namespace") using the "except" and "nsName" elements.
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Valid document <root xmlns=""> <a:a xmlns:a="http://bar" /> </root> Invalid document <root xmlns=""> <a/> </root> |
Correct Relax NG schema (correctRelax_0.rng) |