Application	Version
-----------	-------
Makefile	4.3  (small mods for load type (separate I&D or pure))
ar11.c		UNIMPLEMENTED (should be ported from 4.3)
at/		4.3
basename.c	4.3
bc.y		4.3
cal.c		4.3
calendar/	4.3
cb.c		4.3
checkeq.c	4.3
col.c		4.3
comm.c		4.3
dc/		4.3
deroff.c	4.3
diction/	4.3  (small mods for 8 char name conflicts)
diff3/		4.3  (small mods for 8 char name conflicts)
efl/		4.3
egrep.y		4.3
eqn/		4.3
f77/		2.10
fgrep.c		4.3
file.c		2.10 (4.3 should be ported; actually, 4.3 should be fixed)
find/		4.3  (small mods for 8 char name conflicts)
graph/		4.3
install.c	4.4
iostat.c	UNIMPLEMENTED (4.3 should be ported)
join.c		4.3
learn/		4.3
lex/		4.3
lint/		2.10 (4.3 should be ported, but it's got serious space probs.)
look.c		4.3
lorder.sh	4.3
m4/		4.3
mesg.c		4.3
mkdep.sh	4.4
neqn/		4.3
nohup.sh	4.3
nroff/		4.3
plot/		4.3
prof/		4.3  (with mods for 2.10 profiling)
ptx.c		4.3
ranlib.c	2.10 (getting 4.3's would entail lots of changes...)
ratfor/		4.3
refer/		4.3  (small mods for 8 char name conflicts)
rev.c		4.3
sleep.c		4.3
sort.c		4.3
spell/		4.3  (mods to spell.h for NONSEPARATE machines)
spline.c	4.3
split.c		4.3
struct/		UNIMPLEMENTED (4.3 should be ported)
sum.c		4.3
tabs.c		4.3
tbl/		4.3  (mods to t..c to reduce table sizes)
tc.c		4.3
tip/		4.3
tk.c		4.3
touch.c		4.3
tr.c		4.3
troff/		4.3  (minor mods; undef'd VMUNIX)
tsort.c		4.3
tty.c		4.3
uniq.c		4.3
units.c		4.3
units.lib	4.3
uucp/		4.3
yacc/		4.3  (minor mods, undef'd WORD32, def'd MEDIUM, not HUGE)

The directories OLD and PORT are special.  They contain source code from
the 2.9 and 4.3 distributions that should probably be ported to 2.10 as
soon as someone has the time and inclination to do so.
