Changes since last packaged version (0.16alpha.pl0):
* We now support the "x" (make g-file executable) and "y"
(limit keyword expansion) SCCS file flags. These are SCO
OpenServer and Sun Solaris 8 extensions, respectively.
* We now support "sccs diffs -u", which of course produces
unified-format diffs. We also support the "-n" and "-w"
options to diff and the -a, -B, -d, -H, -p, -q, -s, -v ad
-y options to GNU diff.
* Some changes to support compilation with Sun CC 5.5.
(this was a suggestion by Thomas Duffy, who has just taken on
responsibility for the RPM and SRPM packages of CSSC).
* The "sccs -d /xxx print foo.txt" command now works;
previously, use of the "-d" flag would have generated an
error.
* Better handling of the archive bit on Windows systems.
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