deqn, and dtbl. Fixed make clean to remove the man pages (Bill fixed this in the distribution, but not in the original source) Changed install to leave the original file around, by using 'cp' instead of 'mv'. "install -c ..."
the need for some of the makefile trickery when making objects, and fixing a few .PATH bugs
if sources not there, it now mkdirs obj, but some trickery is necessary, to avoid deleting cwd.
cgd