what about setting metro default argument to same as delay?
just for awkward windows users like me
$ diff -uw x_time.c.old x_time.c --- x_time.c.old 2010-04-28 11:16:06 +0000 +++ x_time.c 2010-04-28 11:16:30 +0000 @@ -107,7 +107,7 @@
static void metro_ft1(t_metro *x, t_floatarg g) {
x->x_deltime = g; }