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Subject: Re: [ubl-ndrsc] Rule 94 a-c
>>Voting period on this rule ends: August 27, 2003
>>
>>*******************************
>>
>>[R94a] Empty elements MUST not be declared
This is more a comment on the editorial. I kind of get
what is said here, but what does it mean by "declared"?
In schema (e.g. an element that references a complexType
that has no content but only attributes), or in instances
(that may or may not have been described by (c))?
May be clarifying it a little further would be helpful.
>>[R94b]The XSD built in nillable attribute MUST NOT be used for any UBL
>>declared element.
>>
>>[R94c] An element MUST not appear without content in the document
>>instance.[remember to add in narative that there is an issue with string
>>length of 0.]
Again, just picking on the editorial, "MUST not appear"
means must not appear in schema or instance or both?
I'm not really asking for the answer so much as to ask
for the rule to be described clearer.
Will it be useful to have a "tag" on all rules (main and
sub-parts), that indicate the scope of applicability
with regards to "schema", "instance" or "schema & instance"?
For e.g.,
[R94a] (Schema, Instance) Empty elements MUST not be declared
[R94b] (Instance) The XSD built in nillable attribute MUST NOT
be used for any UBL declared element.
[R94c] (Instance) An element MUST not appear without content in
the document instance. [remember to add in
narative that there is an issue with string
length of 0.]
?
Best Regards,
Chin Chee-Kai
SoftML
Tel: +65-6820-2979
Fax: +65-6743-7875
Email: cheekai@SoftML.Net
http://SoftML.Net/
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