don't query the user for terminal type if the type is not `unknown'
2.) change this a little in both the csh and the [k]sh cases -- do call
tset(1) even if the terminal type is known (so that TERMCAP is set
properly, but don't have it query the user.
* Put the aliases in a separate file, referenced by $ENV, so that they're
present in subshells.
* Do the same to make `set -o emacs' happen automatically in interactive
shells. (Yay, line editing by default!)
* Use `export FOO=bar' syntax, as it's shorter and other sh(1)-like shells
all support it these days.
and even by the shell in single user mode. This change makes it work in
all of those circumstances, though probably not optimally.
It is likely that something better will be checked in after all of the
outstanding issues are resolved, but I have to check in something that
works before this week's tarballs are created.
