[Ltru] The third level of conformance (Was: Updated draft-4646bis...

On Wed, Aug 01, 2007 at 01:43:40PM +0100,
 Debbie Garside <debbie@ictmarketing.co.uk> wrote 
 a message of 83 lines which said:

> I would propose one of the following:
> 
> ---
> A tag can be well formed yet meaningless.
> 
> A tag can be well formed in terms of syntax, and thus valid, yet meaningless
> in terms of its attributes. For example, ... 

Sorry, neither of these sentences is correct in the context of
4646bis-07.

Being "well-formed" and being "valid" are two different things
(section 2.2.9 of 4646bis-07). Thus saying "A tag can be well formed
in terms of syntax, and thus valid" is wrong.

And the first sentence is not strong enough. ar-Cyrl-CO is well-formed
but it is also valid (in the 4646bis-07 sense of the word, defined in
section 2.2.9). 

The discussion is how we should label the informal "third level",
after well-formedness and validity. Meaningfulness? Reality? 

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