shithub: sox

Download patch

ref: e995776d8097934fbce2791c0da8749e08382d94
parent: 22be79e45c4ddf331c574f53bca3259998ce4f61
author: robs <robs>
date: Sat Dec 16 16:48:08 EST 2006

Nullify effects when they've nothing to do.