la String.intern) as we do class names, by sending the value the
first time and a short code thereafter (with special handling for
datagrams, where me must continue sending the mapping until we
know they've been received). This is mostly useful for the
lengthy config names and parameter names of Project X, but it
could conceivably also be used for things like NamedEvents, which
stream the same object field names many times in the course of a
stream.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5797 542714f4-19e9-0310-aa3c-eee0fc999fb1