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    copied!<p>It's not entirely clear which aspect of the manual solution you regard as horrible; if it's the idea of having to define <em>n</em> different types just because they will need to extend <em>n</em> different base types, then you're stuck.</p> <p>If it's the idea of having to have <em>n</em> different declarations for the <code>format</code> and <code>isVisible</code> attributes, then you might find it less horrible to use a named attribute group to hold those definitions:</p> <pre><code>&lt;xs:attributeGroup name="globals"&gt; &lt;xs:attribute name="format" type="xs:string"/&gt; &lt;xs:attribute name="isVisible" type="xs:boolean"/&gt; &lt;/xs:attributeGroup&gt; </code></pre> <p>The declarations of the various complex types you need remain repetitive but are now slightly less verbose:</p> <pre><code>&lt;xs:complexType name="string"&gt; &lt;xs:simpleContent&gt; &lt;xs:extension base="xs:string"&gt; &lt;xs:attributeGroup ref="my:globals"/&gt; &lt;/xs:extension&gt; &lt;/xs:simpleContent&gt; &lt;/xs:complexType&gt; &lt;xs:complexType name="dateTime"&gt; &lt;xs:simpleContent&gt; &lt;xs:extension base="xs:dateTime"&gt; &lt;xs:attributeGroup ref="my:globals"/&gt; &lt;/xs:extension&gt; &lt;/xs:simpleContent&gt; &lt;/xs:complexType&gt; &lt;xs:complexType name="int"&gt; &lt;xs:simpleContent&gt; &lt;xs:extension base="xs:int"&gt; &lt;xs:attributeGroup ref="my:globals"/&gt; &lt;/xs:extension&gt; &lt;/xs:simpleContent&gt; &lt;/xs:complexType&gt; </code></pre> <p>And the declarations of your elements are now slightly simpler than in your 'ideal' case:</p> <pre><code>&lt;xs:element name="DocumentDescription" type="my:string" /&gt; &lt;xs:element name="DocumentDateTime" type="my:dateTime" /&gt; &lt;xs:element name="DocumentSize" type="my:int" /&gt; </code></pre>
 

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