[xsde-users] Will XSD/E support XML Schema 1.1 new features?

Kjell Svensson iftroja at live.com
Mon Mar 22 04:29:09 EDT 2010

I'm a newbie on XML Schemas, so I'm probably not the right one to put requests on what mightbe good to implement or not. However when I have read about how to version xml schemasI get the impression that 1.1 will have better support, e.g. by using openContent.
Our requirement is that the xml shall be possible to extend. Defined elements cannot be removed. And we shall follow the rule "must ignore any attribute or element that we do not recognize"
> Date: Fri, 19 Mar 2010 09:50:29 +0200
> From: boris at codesynthesis.com
> To: iftroja at live.com
> CC: xsde-users at codesynthesis.com
> Subject: Re: [xsde-users] Will XSD/E support XML Schema 1.1 new features?
> Hi Kjell,
> Kjell Svensson <iftroja at live.com> writes:
> > I have problems with how to handle our XML schema versions, to be 
> > backward/forward compatible etc. It looks like version 1.1 introduce
> > some new features that could help e.g. openContent. Are there any 
> > plans if/when XSD will support 1.1?
> We are planning to support some of the features in 1.1 eventually,
> though it is not clear when, since the specification is still
> changing and there is no definite timeline from W3C when it will 
> become a recommendation.
> Also some of the new features proposed for 1.1 may not be practical
> for embedded systems. For example, assertions would require a complete
> XPath processor plus the construction of a generic XML sub-tree to
> evaluate the expression on. Neither of these two requirements are
> realistic for most embedded systems.
> Also, it would be helpful for you and others interested in XML Schema
> 1.1 support to provide a list of 1.1 features that you are planning 
> to use in your future schemas and would like to see supported in
> XSD/e. This way we can get a better idea about which features the 
> users of XSD/e are interested in.
> Boris
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