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Author: James Clark
Origin: Testsuite for Relax NG


ElementsAttributes
attributename |
elementname |
notAllowed
optional
text

ZVON comment: You cannot put "xmlns" attribute to null namespace.

Incorrect schema

<element name="foo" xmlns:html="http://www.w3.org/TR/REC-html40" xmlns="http://relaxng.org/ns/structure/1.0" >
     <optional>
          <notAllowed/>
          <attribute name="xmlns">
               <text/>
          </attribute>
     </optional>
</element>