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Subject: Re: [ubl-ndrsc] Rule: 91

On Thu, 17 Jul 2003, Eve L. Maler wrote:

>>Actually, I believe naming does equate with being global.  A
>>topLevelComplexType requires its name attribute, and a localComplexType
>>prohibits its name attribute from being used.  Roughly the same is true
>>for simple types.  (See http://www.w3.org/2001/XMLSchema.xsd )

No, without loss of generality, let's just look at complexType.

A complexType definition is global if and only if it is located
as one of the immediate children under <xsd:schema>.

A complexType is named if and only if the name attribute exists 
in the definition.

I refer you to XML Schema Part 1: Structures, Section 4.2.2
example "v2.xsd" part of which is illustrated:

 <xs:redefine schemaLocation="v1.xsd">
  <xs:complexType name="personName">
    <xs:extension base="personName">

By definition, this <xs:complexType> definition is not global
(not necessarily local), AND named.

Best Regards,
Chin Chee-Kai
Tel: +65-6820-2979
Fax: +65-6743-7875
Email: cheekai@SoftML.Net

>>So probably the rule could be shortened to:
>>[R 91]  All types MUST be named.
>>Explanatory text could then mention that the purpose is for reuse and
>>extension, and that the syntactic consequence of the rule is that the
>>types must all be declared as top-level.
>>	Eve
>>Chin Chee-Kai wrote:
>>> On Mon, 14 Jul 2003, Dan Vint wrote:
>>>>>I would modify this rule to be:
>>>>>>[R 91]   For reuse and extension, all types MUST be named, which then
>>>>>>requires their declarations be globally defined.
>>> Naming does not equate with being global.
>>Eve Maler                                        +1 781 442 3190
>>Sun Microsystems                            cell +1 781 354 9441
>>Web Technologies and Standards               eve.maler @ sun.com

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