Enumerated INTEGER - start with zero or one (0 or 1) ?

["Wijnen, Bert (Bert)" <bwijnen@lucent.com>]

What is our collective thinking about this?

While reviewing the RMON APM MIB module, I find that most
enumerations start with 1, but a few start with 0 (zero)
for (as far as I can tell) no good reason.

RFC2578 sect 7.1.1. recommends that they start at 1.
Should we encourage people to include an explantion in the 
DESCRIPTION clause if they do not follow that recommendation?

In any event, it would be good if we can make some clarification
in the GUIDELINES doc, so that we have a consistent review of
this topic.

Thanks,
Bert