copyediting for Usenix manuals

copyediting for Usenix manuals

SCCS-vsn: share/man/man1/intro.1 8.2
SCCS-vsn: share/man/man1/intro.1 8.2
SCCS-vsn: usr.bin/chpass/chpass.1 8.2
SCCS-vsn: bin/ed/ed.1 6.9
SCCS-vsn: usr.bin/from/from.1 8.2
SCCS-vsn: usr.bin/ftp/ftp.1 8.2
SCCS-vsn: usr.bin/grep/egrep/grep.1 8.2
SCCS-vsn: usr.bin/learn/learn/learn.1 8.2
SCCS-vsn: bin/ln/ln.1 8.2
SCCS-vsn: usr.sbin/lpr/lptest/lptest.1 8.2
SCCS-vsn: bin/ls/ls.1 8.3
SCCS-vsn: usr.bin/mail/mail.1 8.2
SCCS-vsn: usr.bin/make/make.1 8.2
SCCS-vsn: usr.bin/netstat/netstat.1 8.2
SCCS-vsn: bin/pax/pax.1 8.2
SCCS-vsn: bin/ps/ps.1 8.2
SCCS-vsn: usr.bin/rdist/rdist.1 8.2
SCCS-vsn: lib/librpc/man/man1/rpcgen.1 5.4
SCCS-vsn: usr.bin/rs/rs.1 8.2
SCCS-vsn: usr.bin/sed/sed.1 8.2
SCCS-vsn: bin/sh/sh.1 8.2
SCCS-vsn: bin/sleep/sleep.1 8.2
SCCS-vsn: bin/stty/stty.1 8.2
SCCS-vsn: usr.bin/systat/systat.1 8.2
SCCS-vsn: usr.bin/telnet/telnet.1 8.2
SCCS-vsn: usr.bin/tip/tip.1 8.3
SCCS-vsn: usr.bin/touch/touch.1 8.2
SCCS-vsn: usr.bin/uucp/uusend/uusend.1 8.2
SCCS-vsn: usr.bin/uucp/uux/uux.1 8.2
SCCS-vsn: usr.bin/ex/vi.1 8.2
SCCS-vsn: usr.bin/whereis/whereis.1 8.2
SCCS-vsn: usr.bin/who/who.1 8.2
SCCS-vsn: usr.bin/window/window.1 8.2
SCCS-vsn: usr.bin/xsend/xsend/xsend.1 8.2
SCCS-vsn: usr.bin/xstr/xstr.1 8.2
SCCS-vsn: games/chess/chess.6 5.2
SCCS-vsn: games/hack/hack.6 1.2
SCCS-vsn: games/larn/larn.6 5.5
SCCS-vsn: games/mille/mille.6 8.2
SCCS-vsn: games/phantasia/phantasia.6 5.3
SCCS-vsn: games/sail/sail.6 8.2
SCCS-vsn: games/trek/trek.6 8.2
SCCS-vsn: share/man/man7/hostname.7 8.2
SCCS-vsn: share/man/man7/man.7 8.2
SCCS-vsn: share/man/man7/mdoc.7 8.2
SCCS-vsn: share/man/man7/mdoc.samples.7 8.2
SCCS-vsn: share/man/man7/man.7 8.2