But maybe you're right and UUEncoding could be used instead.
While it doesn't result in a more compact message, Base64 seems to be the more common method of encoding binary data within an XML context these days.
c.f. http://en.wikipedia.org/wiki/Uuencode and http://en.wikipedia.org/wiki/Base64.
HTH, Pete Cordell Codalogic For XML C++ data binding visit http://www.codalogic.com/lmx/