On Annex G of 29500-2

[MURATA Makoto]

Folks,

I would argue that Annex G (Guidelines for Meeting Conformance)
should be dropped and that Clause 2 (Conformance) should be
modified accordingly.

First, Annex G adds nothing new.  It merely repeats what is
already stated elsewhere.

Second, Annex G is a partial and misleading list of
requirements.  This is because it is very difficult or even
impossible for Annex G to repeat all requirements in the body.
For example, some of the requirements (e.g, permissible
locations of isegments) in the EBNF have never been captured by
Annex G.

Third, maintaining Annex G in accordance with the body is a
heavy burden for this revision.

Fourth, I believe that standards on data should focus on
requirements on data rather than those on applications.  In
fact, Clause 2 already says "OPC conformance is purely
syntactic."  Requirements on creators should always be captured
as requirements on data.  Some requirements on consumers may be
rewritten as recommendations to consumers.


Regards,
Makoto
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