make_explicit
make_explicit(np->u.expr.left, eventonly);
make_explicit(np->u.expr.right, eventonly);
make_explicit(np->u.event.epname, 0);
make_explicit(np->u.event.eexprlist, 1);
make_explicit(np->u.func.arglist, eventonly);
make_explicit(np, 0);
make_explicit(lhs, 0);
make_explicit(rhs, 0);