Re: WGLC: p1 MUSTs

On 1 May 2013 04:57, "Alex Rousskov" <rousskov@measurement-factory.com>
wrote:
> > If a received protocol element is processed, the recipient MUST be
> > able to parse any value that would match the ABNF rules for that
> > protocol element, excluding only those rules not applicable to the
> > recipient's role.
> The "excluding only those rules not applicable..." part seems to
> contradict the "processed" verb. Why would a recipient want to process
> something inapplicable? Perhaps this is related to the "process" versus
> "interpreted" issue mentioned above.

In the vein of clarifying what is meant by "process" I would also suggest
dropping the "be able to" wording wherever it appears in MUST statements.
Compliance can tested for what a particular actor does or does not do. It
can't be tested for what the actor is capable of doing.