sccs code fix

[Paul Eggert]

certain at aesop.cs.unc.edu (Andrew Certain) writes:

	I was wondering if whatever needs to be done about sccs will also make
	rcs be compatible with the rcs we have on our Suns and Dec 3100.
	If not, what can I do?

Get and install RCS 5.5 and GNU diff 1.15 (anonymous FTP from prep.ai.mit.edu
in pub/gnu/rcs-5.5.tar.Z and pub/gnu/diff-1.15.tar.Z).  Unlike RCS 4.2 and RCS
4.3, RCS 5.5 generates RCS files that older versions of RCS can read (and vice
versa).