> PDF includes eight basic types of objects: Boolean values, Integer and Real numbers, Strings, Names, Arrays, Dictionaries, Streams, and the null object

Wait, this is more complete than SOAP. It may be a good idea to redo the IPC protocol with a different serialization format!

Well, it's a descendant of Postscript (much like JSON is a descendant of Javascript, loosely)

Society would probably never recover if we started implementing RPC-in-Postscript though.