symbollookup.xml

随书的代码

<?xml version="1.0"?>
<!DOCTYPE methodCall [
  <!ELEMENT methodCall (methodName, params)>
  <!ELEMENT params (param+)>
  <!ELEMENT param (value)>
  <!ELEMENT value (string)>
  <!ELEMENT methodName (#PCDATA)>
  <!ELEMENT string (#PCDATA)>
]>
<methodCall>
  <methodName>lookupSymbol</methodName>
  <params>
    <param>
      <value>
        <string>
          Red Hat 
        </string>
      </value>
    </param>
  </params>
</methodCall>