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Subject: WD7 questions regarding schema fragments
Hi folks! Three things have come to my attention with WD7. (1) The namespaces declared in the WD7 schemas read as follows: targetNamespace="urn:oasis:names:draft:ubl:schema:xsd:Invoice-2.0 WD7" ... as a result we cannot work with test instances ... I believe according to the namespace should be: targetNamespace="urn:oasis:names:draft:ubl:schema:xsd:Invoice-2" ... as indicated line 852 of the 2006-06-28 NDR. Plus the space in the actual file names produced is really messing up some of my environment issues where I'm not expecting spaces in file names ... I find I cannot work easily with WD7 at all, nor will they work will in the student exercise environments. Note to NDR editors: that line 852 actually has a typo in that the colon after "Invoice" does not belong. (2) What is the function of the "common/CCTS_CCT_SchemaModule-2.0 WD7.xsd" schema fragment? From what I can tell none of the schema fragments imports this module (nor was this the case in earlier drafts). Looking inside it defines types like AmountType: <xsd:complexType name="AmountType"> <xsd:annotation> <xsd:documentation xml:lang="en"> <ccts:UniqueID>UNDT000001</ccts:UniqueID> <ccts:CategoryCode>CCT</ccts:CategoryCode> <ccts:DictionaryEntryName>Amount. Type</ccts:DictionaryEntryName> <ccts:VersionID>1.0</ccts:VersionID> <ccts:Definition>A number of monetary units specified in a currency where the unit of the currency is explicit or implied.</ccts:Definition> <ccts:RepresentationTermName>Amount</ccts:RepresentationTermName> <ccts:PrimitiveType>decimal</ccts:PrimitiveType> </xsd:documentation> </xsd:annotation> <xsd:simpleContent> <xsd:extension base="xsd:decimal"> ... Yet, I see that similar types are declared in UnqualifiedDataTypes: <xsd:complexType name="AmountType"> <xsd:annotation> <xsd:documentation xml:lang="en"> <ccts:UniqueID>UDT000001</ccts:UniqueID> <ccts:CategoryCode>UDT</ccts:CategoryCode> <ccts:DictionaryEntryName>Amount. Type</ccts:DictionaryEntryName> <ccts:VersionID>1.0</ccts:VersionID> <ccts:Definition>A number of monetary units specified in a currency where the unit of the currency is explicit or implied.</ccts:Definition> <ccts:RepresentationTermName>Amount</ccts:RepresentationTermName> <ccts:PrimitiveType>decimal</ccts:PrimitiveType> <xsd:BuiltinType>decimal</xsd:BuiltinType> </xsd:documentation> </xsd:annotation> <xsd:simpleContent> <xsd:extension base="xsd:decimal"> ... I could not reconcile the presence of both of these schema fragments to my students ... why do we have the CCTS_CCT_SchemaModule fragment if it isn't being used anywhere? (3) The CCTS namespace for documenting the constructs has been different between the CCTS-based schema fragments and the UBL-based schema fragments ... for example, in the latest the CCTS schemas have: xmlns:ccts="urn:un:unece:uncefact:documentation:2.0 WD7" ... <xsd:documentation xml:lang="en"> <ccts:UniqueID>UDT000001</ccts:UniqueID> <ccts:CategoryCode>UDT</ccts:CategoryCode> <ccts:DictionaryEntryName>Amount. Type</ccts:DictionaryEntryName> <ccts:VersionID>1.0</ccts:VersionID> while the UBL constructs have: xmlns:ccts="urn:oasis:names:draft:ubl:schema:xsd:CoreComponentParameters-2.0 WD7" ... <xsd:documentation> <ccts:Component> <ccts:DictionaryEntryName>Allowance Charge Reason_ Code. Type</ccts:DictionaryEntryName> <ccts:Version>2.0 WD7</ccts:Version> I reminded my students that there is no standardization of namespace prefixes in XML ... they can be anything at all as what is important is the namespace URI and not the namespace prefix. But I could not justify to the students why we have different namespaces for the same prefix for two fragments that appear to be doing the same thing, especially when the element names are shared between the two namespace URI strings. This, too, has been around in previous versions. Thanks for any guidance you can provide! . . . . . . . . . . Ken -- Registration open for UBL training: Montréal, Canada 2006-08-07 Also for XSL-FO/XSLT training: Minneapolis, MN 2006-07-31/08-04 Also for UBL/XML/XSLT/XSL-FO training: Varo,Denmark 06-09-25/10-06 World-wide corporate, govt. & user group UBL, XSL, & XML training. G. Ken Holman mailto:gkholman@CraneSoftwrights.com Crane Softwrights Ltd. http://www.CraneSoftwrights.com/o/ Box 266, Kars, Ontario CANADA K0A-2E0 +1(613)489-0999 (F:-0995) Male Cancer Awareness Aug'05 http://www.CraneSoftwrights.com/o/bc Legal business disclaimers: http://www.CraneSoftwrights.com/legal
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