Ok, here is an update based on feedback from the list. I bit the bullet and added some basic tests. The stack passes the test suite. Hopefully the attribution is ok on the first patch now. I have kept my modifications to it a separate patch for the time being to keep attribution simple. -apw - To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html