On 9/26/14, 10:48 AM, "Rod Widdowson" <rdw at steadingsoftware.com> wrote: > >> Can we fix it if >> it does barf? > >I would very seriously hope that we can. If nothing else, it's simple, we have a Null provider that plugs in internally, or more likely we just define the Chaining provider to allow zero size chains. -- Scott