BSD 4_3_Net_2 development

BSD 4_3_Net_2 development
Work on file usr/src/usr.bin/groff/troff/Makefile.gnu
Work on file usr/src/usr.bin/groff/troff/TODO
Work on file usr/src/usr.bin/groff/troff/charinfo.h
Work on file usr/src/usr.bin/groff/troff/column.cc
Work on file usr/src/usr.bin/groff/troff/dictionary.cc
Work on file usr/src/usr.bin/groff/troff/dictionary.h
Work on file usr/src/usr.bin/groff/troff/div.cc
Work on file usr/src/usr.bin/groff/troff/div.h
Work on file usr/src/usr.bin/groff/troff/env.cc
Work on file usr/src/usr.bin/groff/troff/env.h
Work on file usr/src/usr.bin/groff/troff/groff.h
Work on file usr/src/usr.bin/groff/troff/hvunits.h
Work on file usr/src/usr.bin/groff/troff/hyphen
Work on file usr/src/usr.bin/groff/troff/node.cc
Work on file usr/src/usr.bin/groff/troff/node.h
Work on file usr/src/usr.bin/groff/troff/number.cc
Work on file usr/src/usr.bin/groff/troff/reg.cc
Work on file usr/src/usr.bin/groff/troff/reg.h
Work on file usr/src/usr.bin/groff/troff/request.h
Work on file usr/src/usr.bin/groff/troff/symbol.cc
Work on file usr/src/usr.bin/groff/troff/symbol.h
Work on file usr/src/usr.bin/groff/troff/token.h
Work on file usr/src/usr.bin/groff/troff/troff.1

Synthesized-from: CSRG/cd2/net.2