CCL/Gfp/coinduct2, coinduct3: modified proofs to suppress deep unification
CCL/CCL, Fix, Gfp, Hered, Set, Term, Trancl, Type, Wfd: expanded shorthands
#! /bin/sh
# teeinput -- start a program and log all inputs to a file
# environment variable $LISTEN specifies the file name
tee -a -i $LISTEN | $*