mosesdecoder/xmlrpc-c-1.51.06/test/data/req_no_params.xml

<?xml version="1.0" encoding="UTF-8"?>

<!-- This may or may not be legal XML-RPC, but some old clients (including
Ruby and xmlrpc-epi) send it.  This should be interpreted as a call with no
parameters. -->

<methodCall>
  <methodName>foo</methodName>
</methodCall>