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Re: Version attribute and importing standard step libraries

From: Norman Walsh <ndw@nwalsh.com>
Date: Fri, 06 Nov 2009 09:11:40 -0800
To: public-xml-processing-model-comments@w3.org
Message-ID: <m2aayzmvcj.fsf@nwalsh.com>
"Toman_Vojtech@emc.com" <Toman_Vojtech@emc.com> writes:
> I have a question about importing standard XProc step libraries
> (http://www.w3.org/2008/xproc-1.0.xpl etc.). I think the WG sort of
> agreed that with the "version" attribute (as specified in the latest
> Editor's draft), this is no longer allowed. So, is it correct to assume
> that the following pipeline:
> <p:pipeline version="1.0">
>   <p:import href="http://www.w3.org/2008/xproc-1.0.xpl"/>
>   <p:identity/>
> </p:pipeline>
> will fail with a static error (err:XS0025 or similar)?

Yes, I think so.

> Or, should the processor be more clever and detect that in this
> particular case, version="1.0" and <p:import
> href="http://www.w3.org/2008/xproc-1.0.xpl"> are in fact consistent with
> each other and therefore there is no error?

No, I don't think that's worth the effort. If we did that, then I
think there'd be an expectation that a 1.0 processor could parse 2.0
declarations and I think the new versioning strategy is designed
precisly so we don't have to go there.

                                        Be seeing you,

Norman Walsh <ndw@nwalsh.com> | Life does not cease to be funny when
http://nwalsh.com/            | people die anymore than it ceases to be
                              | serious when people laugh.--George
                              | Bernard Shaw

Received on Friday, 6 November 2009 17:12:30 UTC

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