Re: MUST or SHOULD in window gravity?

["David Wheeler" <dwheeler ida org>]

I don't know if this helps, but I grabbed RFC 2119 from
http://www.ietf.org/rfc/rfc2119.txt and found the following definitions:


1. MUST   This word, or the terms "REQUIRED" or "SHALL", mean that the
   definition is an absolute requirement of the specification.

...
3. SHOULD   This word, or the adjective "RECOMMENDED", mean that there
   may exist valid reasons in particular circumstances to ignore a
   particular item, but the full implications must be understood and
   carefully weighed before choosing a different course.

...
   Imperatives of the type defined in this memo must be used with care
   and sparingly.  In particular, they MUST only be used where it is
   actually required for interoperation or to limit behavior which has
   potential for causing harm (e.g., limiting retransmisssions)  For
   example, they must not be used to try to impose a particular method
   on implementors where the method is not required for
   interoperability.



-- 

--- David A. Wheeler
    dwheeler ida org