Your question is off-topic for this list. Try xmlschema-dev@xxxxxxx

But take a look at substitution groups.

Michael Kay
http://www.saxonica.com/ 

> -----Original Message-----
> From: Karl [mailto:call14@xxxxxxxxx] 
> Sent: 31 July 2006 11:19
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  defining group of elemts for reference in xsd
> 
> In my schema definition, I have certain element that are used 
> commonly in most of the place. 
> 
> For e.g
> 
> 	<xsd:complexType name="TitleStructure" mixed="true">
> 		<xsd:choice minOccurs="0" maxOccurs="unbounded">
> 			<xsd:element ref="sub"/>
> 			<xsd:element ref="sup"/>
> 			<xsd:element ref="u"/>
> 			<xsd:element ref="i"/>
> 			<xsd:element ref="b"/>
> 			<xsd:element ref="a"/>
> 			<xsd:element ref="smallcaps"/>
> 		</xsd:choice>
> 	</xsd:complexType>
> 
> 
> 	<xsd:complexType name="ParagraphStructure" mixed="true">
> 		<xsd:choice minOccurs="0" maxOccurs="unbounded">
> 			<xsd:element name="FootNote" 
> type="FootNoteStructure"/>
> 			<xsd:element name="AuthorComment" 
> type="xsd:string"/>
> 			...
> 			...
> 			<xsd:element name="InlineFigure" 
> type="InlineFigureStructure"/>
> 			<xsd:element ref="b"/>
> 			<xsd:element ref="i"/>
> 			<xsd:element ref="u"/>
> 			<xsd:element ref="sup"/>
> 			<xsd:element ref="sub"/>
> 			<xsd:element ref="a"/>
> 			<xsd:element ref="smallcaps"/>
> 		</xsd:choice>
> 	</xsd:complexType>
> 
> where you can see Iam refering "b", "i" etc in both 
> TitleStructure, ParagraphStructure. So, i prefer instead of 
> refering everytime these b, i, sup etc, can i put them as a 
> group under some name and ref that group
> 
> i.e something like
> 
> <suitable xsd tag>
> 	<xsd:element ref="b"/>
> 	<xsd:element ref="i"/>
> 	...
> 	<xsd:element ref="smallcaps"/>
> </suitable xsl tag>
> 
> and then refering this in
> 	<xsd:complexType name="TitleStructure" mixed="true">
> 		<xsd:choice minOccurs="0" maxOccurs="unbounded">
> 			<refering that pre-defined tag/> -- THIS WAY
> 		</xsd:choice>
> 	</xsd:complexType>
> 
> I did look for similar thing in xsd, but could not find a 
> answer. But i believe there is an xsd answer. Anyone can you 
> pls suggest the pretty way.
> 
> Thanks
> karl
> 
> 
> 
> 		
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