"Priscilla Walmsley" wrote:

> Hello,
>
> You can't extend a simple type to add more enumerated values, even when
> using redefine. The best you can do is create a new simple type that is the
> union of the ACORD type plus your extra values, for example:
>
> <xs:simpleType name="NewAttachmentType">
> <xs:union memberTypes="AttachmentType">
> <xs:simpleType>
> <xs:restriction base="xs:string">
> <xs:enumeration value="abc"/>
> <xs:enumeration value="xyz"/>
> </xs:restriction>
> </xs:simpleType>
> </xs:union>
> </xs:simpleType>
>
> Hope that helps,
> Priscilla
> ------------------------------------------------------------------
> Priscilla Walmsley
> Author, Definitive XML Schema / XML in Office 2003
> http://www.datypic.com
> ------------------------------------------------------------------
>
> "junlia" <junlia@discussions.microsoft.com> wrote in message
> news:1A1E2CF6-DE1D-4074-9F91-068BF1C53870@microsoft.com...
> > We are using ACORD xml schema standard, and we need to add to it, so we
> > choose to redefine ACORD xml schema. One of the problems that I ran into
> > is
> > how to add some values to an emumerated list.
> >
> > For an emumerated list like this:
> > <xsd:complexType name="AttachmentType">
> > <xsd:simpleContent>
> > <xsd:restriction base="OpenEnum">
> > <xsd:enumeration value="040"/>
> > <xsd:enumeration value="041"/>
> > <xsd:enumeration value="042"/>
> > ...
> > <xsd:enumeration value="YDQ"/>
> > </xsd:restriction>
> > </xsd:simpleContent>
> > </xsd:complexType>
> >
> > I would like to be able to add something like these to the list:
> > <xsd:enumeration value="abc"/>
> > <xsd:enumeration value="xyz"/>
> >
> > But I got when validated with MS parser(.net version): "The complexType
> > 'http://www.ACORD.org/standards/PC_Surety/ACORD1.6.0/xml/:AttachmentType'
> > has
> > already been declared. An error ed in file: ///c:/myschema.xsd, (48,3)".
> > However, it was valid with xml spy.
> >
> > Any thoughts?
>
>