Update from the XML Protocol Activity: status of SOAP Version 1.2 - slide "Encoding data in the SOAP envelope"

Encoding convention orthogonal to the envelope.
Simple types as defined in XML Schema Part 2.

Support for arrays, graphs.
Example:

<env:Envelope xmlns:env="http://www.w3.org/2001/09/soap-envelope">
  <env:Body>
      <myFavoriteNumbers
        xmlns:xs="http://www.w3.org/2001/XMLSchema"
        xmlns:enc="http://www.w3.org/2001/09/soap-encoding"
        enc:arrayType="xs:int[2]" >
      <number>3</number>
      <number>4</number>
    </myFavoriteNumbers>
  </env:Body>
</env:Envelope>