title: Should XSD occurrence bounds be on the sequence or the element?
body: <p>If I have an element with one or more subelements, should the min/maxoccurs attributes be on the xsd:sequence element, the xsd:element, both, or neither?</p>
  
  <pre><code>&lt;xsd:element name="books"&gt;
    &lt;xsd:complexType&gt;
      &lt;xsd:sequence minOccurs="1" maxOccurs="unbounded"&gt; &lt;!-- here? --&gt;
        &lt;xsd:element ref="book" minOccurs="1" maxOccurs="unbounded"/&gt; &lt;!-- or here? --&gt;
      &lt;/xsd:sequence&gt;
    &lt;/xsd:complexType&gt;
  &lt;/xsd:element&gt;
  </code></pre>