-Time-stamp: <2004-03-20 10:33:19 blp>
+Time-stamp: <2004-03-20 19:16:04 blp>
TODO
----
-Write DATE, USE.
-
There needs to be another layer onto the lexer, which should probably be
entirely rewritten anyway. The lexer needs to read entire *commands* at a
time, not just a *line* at a time. It also needs to support arbitrary putback,