$1 check for first person who convinces me main can't be reserved

[Karl Heuer]

In article <7365 at brl-smoke.ARPA> gwyn at brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>) writes:
>[Nonstandard keywords] should be constrained to start with an underscore, at
>the very least.

I believe that to avoid colliding with the user's local variables, keywords
(like machine-specific #defines) must begin with a double underscore or an
underscore followed by an uppercase letter.  I thought one of the more recent
Drafts covered this issue.

Karl W. Z. Heuer (ima!haddock!karl or karl at haddock.isc.com), The Walking Lint