bb()
{
	(
	cat << EOF
foo
bar
EOF
	)
	echo after subshell
}

type bb


mkcoprocs()
{
	coproc a { cat <<EOF1
producer 1
EOF1
}
coproc b { cat << EOF2
producer 2
EOF2
}

echo "coprocs created"
}

type mkcoprocs

unset -f mkcoprocs

mkcoprocs()
{
	coproc ( b cat << EOF
heredoc
body
EOF
	)
echo "coprocs created"
}

type mkcoprocs