XML-RPC

Specification

Main spec:
- http://xmlrpc.scripting.com/
XRDL: something like WSDL for XML-RPC
- http://code.google.com/p/xrdl/wiki/GettingStarted
Introspection:
- http://tech.groups.yahoo.com/group/xml-rpc/message/2897
  - system.getCapabilities
- http://xmlrpc-c.sourceforge.net/introspection.html
  - system.listMethods
  - system.methodSignature
  - system.methodHelp
Multicall specification:
- TODO from Eric Kidd's mail
Multicall test suite
- http://xmlrpc-c.sourceforge.net/hacks/test_multicall.py