: run this script through /bin/sh
prf=/tmp/prf$$ ctx=/tmp/ctx$$
trap "rm -f $prf $ctx" 0 1 2 3 13 15
rm -f $prf
echo "MH-Sequences:" > $prf
cat ${MH-$HOME/.mh_profile} >> $prf
MH="$prf" ; export MH
rm -f $ctx
cp ${MHCONTEXT-`mhpath +`/context} $ctx
MHCONTEXT="$ctx" ; export MHCONTEXT
eval "$@"