Two suggested changes to the interop spec

Hi folks, a) I think we should use "SHOULD", not "MUST", for the "Interface" and "Abstract" suffixes. The simple reason is that they are not required for the standard autoloader; it'll work no matter what the class name is. I've seen lots of complaints about "Interface", "Abstract" or both of them, and I guess it doesn't hurt to give folks some freedom there. b) we should require that the standard Exception interface or implementation be put in the namespace that is the reasonable choice for the situation in question. For instance, ZF might have an exception per package, but if a small project owns a vendor namespace (e.g. PHPCouch) with just a couple sub-packages that are not usable independently of one another, it'd be nonsense to require base exceptions from all these subpackages, as they'd be pretty much meaningless. Maybe we could define a "project level" that can be either the vendor level, or the package level, depending on the intention of the library in question. Cheers, - David

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