SOAP namespace?

(1)
<Envelope xmlns="http://schemas.xmlsoap.org/soap/envelope/">
  <Body>
    <helloWorld xmlns="http://www.soapware.org/"/>
  </Body>
</Envelope>

(2)
<SOAP:Envelope xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/">
  <SOAP:Body>
    <m:helloWorld xmlns:m="http://www.soapware.org/"/>
  </SOAP:Body>
</SOAP:Envelope>