RE: [Updated] XML Schema 1.1 Tutorial

 
Ah, I added the "s" but I as I reread it I see that you are correct. Thanks. Fixed and uploaded.

/Roger

> -----Original Message-----
> From: noah_mendelsohn@us.ibm.com [mailto:noah_mendelsohn@us.ibm.com] 
> Sent: Wednesday, July 29, 2009 6:40 PM
> To: Costello, Roger L.
> Cc: xmlschema-dev@w3.org
> Subject: RE: [Updated] XML Schema 1.1 Tutorial
> 
> Looks fine to me, except for one grammar error:
> 
> to each such "foreign" elements and attributes in the 
> restriction -> to 
> each such "foreign" element and attribute in the restriction
> 
> (each is singular)
> 
> Noah
> 
> --------------------------------------
> Noah Mendelsohn 
> IBM Corporation
> One Rogers Street
> Cambridge, MA 02142
> 1-617-693-4036
> --------------------------------------
> 
> 
> 
> 
> 
> 
> 
> 
> "Costello, Roger L." <costello@mitre.org>
> Sent by: xmlschema-dev-request@w3.org
> 07/29/2009 06:23 PM
>  
>         To:     "xmlschema-dev@w3.org" <xmlschema-dev@w3.org>
>         cc:     (bcc: Noah Mendelsohn/Cambridge/IBM)
>         Subject:        RE: [Updated] XML Schema 1.1 Tutorial
> 
> 
>  
> Thanks Noah and Michael. I made the suggested changes. See 
> slides 27-28:
> 
> http://www.xfront.com/xml-schema-1-1/xml-schema-1-1.ppt
> 
> /Roger
> 
> > -----Original Message-----
> > From: noah_mendelsohn@us.ibm.com 
> [mailto:noah_mendelsohn@us.ibm.com] 
> > Sent: Wednesday, July 29, 2009 4:04 PM
> > To: Costello, Roger L.
> > Cc: xmlschema-dev@w3.org
> > Subject: Re: [Updated] XML Schema 1.1 Tutorial
> > 
> > On Slide 27, you say:
> > 
> > "With XML Schema 1.0 you could not restrict a type defined 
> in another 
> > schema. In XML Schema 1.1 you can by adding a targetNamespace 
> > attribute to 
> > each element and attribute in the restriction"
> > 
> > I think it would be more accurate to say:]
> > 
> > "A  XSD 1.0 Schema Document with one targetNamespace could 
> > not restrict a 
> > type using elements from another targetNamespace.  In XML 
> > Schema 1.1, you 
> > can do this, by adding a targetNamespace attribute to each 
> > such "foreign" 
> > element and attribute in the restriction"
> > 
> > Reasons for the corrections:
> > 
> > * Neither XSD 1.0 nor XSD 1.1 speak directly about 
> > restrictions across 
> > "schemas". 
> > 
> > * Schema documents are the standard way of setting down schema 
> > information, but not the only possible way (APIs might be 
> > another.)  As 
> > far as I know, there's nothing in XSD 1.0 that would prevent such 
> > cross-targetNamespace restriction using representations other 
> > than Schema 
> > Documents.  The issue is:  schema documents (I.e. the 
> > standard XML form 
> > for writing down a schema) lacked the capability.  XSD 1.1 
> allows it.
> > 
> > * You only need to supply the targetNamespace if the elements 
> > happen to be 
> > foreign (foreign is not a formal term, but I hope it's clear 
> > for purposes 
> > of this note.  Although it wouldn't come up in the simplest 
> > cases, one can 
> > imagine a case in which some of the elements were in fact from the 
> > targetNamespace of the schema document, and for those no 
> > targetNamespace 
> > would be needed.
> > 
> > Actually, looking at your example, I think it lacks 
> important prefix 
> > definitions.  I think this would be clearer.  This defines a type 
> > lib:BookInLibrary based on books:Book:
> > 
> > <xs:schema      targetNamespace="http://www.libraries.org"
> >                 xmlns:books="Book.xsd">
> >     <xs:import namespace="http://www.book.org"
> >                   schemaLocation="Book.xsd"/>
> > 
> >     <xs:complexType name="BookInLibrary">
> >         <xs:complexContent>
> >             <xs:restriction base="books:Book">
> >                 <xs:sequence>
> >                     <xs:element name="Title" type="xs:string" 
> >  targetNamespace="http://www.book.org"/>
> >                     <xs:element name="Author" type="xs:string" 
> > maxOccurs="2" 
> >  targetNamespace="http://www.book.org"/>
> >                     <xs:element name="Date" type="xs:gYear" 
> >  targetNamespace="http://www.book.org"/>
> >                     <xs:element name="ISBN" type="xs:string" 
> >  targetNamespace="http://www.book.org"/>
> >                     <xs:element name="Publisher" type="xs:string" 
> >  targetNamespace="http://www.book.org"/> 
> >                 </xs:sequence>
> >             </xs:restriction>
> >         </xs:complexContent>
> >     </xs:complexType> 
> > </xs:schema>
> > 
> > 
> > --------------------------------------
> > Noah Mendelsohn 
> > IBM Corporation
> > One Rogers Street
> > Cambridge, MA 02142
> > 1-617-693-4036
> > --------------------------------------
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > "Costello, Roger L." <costello@mitre.org>
> > Sent by: xmlschema-dev-request@w3.org
> > 07/24/2009 02:16 PM
> > 
> >         To:     "xmlschema-dev@w3.org" <xmlschema-dev@w3.org>
> >         cc:     (bcc: Noah Mendelsohn/Cambridge/IBM)
> >         Subject:        [Updated] XML Schema 1.1 Tutorial
> > 
> > 
> > 
> > Hi Folks,
> > 
> > I updated my XML Schema 1.1 Tutorial:
> > 
> > http://www.xfront.com/xml-schema-1-1/xml-schema-1-1.ppt
> > 
> > Here are the changes:
> > 
> > 1. At the beginning I added a "5 minute intro" section that 
> > quickly covers 
> > all of the new capabilities in XML Schema 1.1
> > 
> > 2. I completely revised the section on targetNamespace 
> > (thanks to Michael 
> > Kay and Michael Sperberg-McQueen for straightening me out)
> > 
> > 3. I added a few more slides on xs:error
> > 
> > Thanks to Noah and Mukul for their suggestions.
> > 
> > I will be announcing the tutorial on xml-dev shortly.
> > 
> > /Roger
> > 
> > 
> > 
> 
> 
>

Received on Wednesday, 29 July 2009 22:40:59 UTC