4.4BSD snapshot (revision 8.1)
new doc.mk; document numbering changes for 4.4BSD
don't compile -g by default
4.4BSD snapshot (revision 8.1); add 1993 to copyright
fix the SCCS/copyright; 4.4BSD snapshot (revision 8.1); add 1993 to copyright
fix copyright notice, SCCS header
fix the SCCS notice/copyright
add an SCCS/copyright header
fix the copyright/SCCS notice
yank to 8.1
add copyright notices, SCCS headers, yank to 8.1
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