HOL,ZF/Makefile: enclosed multiple "use" calls in parentheses. This
ensures that if one dies, all die. BUT NOT Pure/Makefile, where
PolyML.use"POLY" makes the identifier "use" visible.
#! /bin/sh
# teeinput -- start a program and log all inputs to a file
# environment variable $LISTEN specifies the file name
tee -a -i $LISTEN | $*