2000 Feb 07	1.1-2	Header file changes for 0.99.0 (especially re error)
			Escape # in post.part.Rd and text.rpart.Rd
1999 Dec 15	1.1-1	New version which uses weights.
			Change all occurrences of longs.
1999 May 11     1.0-7   Fix bug in graycode.c, from TMT.
			All the examples now run correctly.
1999 Apr	1.0-6	Add index of (test) datasets.
1999 Feb 24	1.0-5	Correct rpart.branch.s to get(parms, inherits=TRUE).
			Add tolerance to tree.depth, needed for the Windows 
			version.
1999 Jan 06	1.0-4	Remove model.frame.rp, which was no longer needed
			now model.frame.default uses xlevels.
			Modified rpart.matrix to allow - in model formulae.
			Examples are now all executable (or commented out).
1998 Jul 24  	1.0-3	Added identify.rpart to work around R's limited
			identify.
			text is now generic in R, so removed from zzz.R.
			levels is now generic in R, so removed from zzz.R.
			Manual pages re-converted with Sd2Rd version 0.3-1.
			predict now uses xlevels to force agreement of
			levels of factors in newdata.
1998 Jun 22  	1.0-2	Manual pages converted with Details section
			snip.rpart implemented.
1998 Jun 16  	1.0-1	Original port
