[dsdl-discuss] Re: DSRL Revisited

Not having had any response to my posting on 7th February I intend to submit
the revised text for Part 8 for CD ballot later this week so that we meet
the 3 month deadline.

Martin

----- Original Message -----
From: "Martin Bryan" <martin@is-thought.co.uk>
To: <dsdl-discuss@dsdl.org>
Sent: Tuesday, February 07, 2006 7:04 PM
Subject: [dsdl-discuss] DSRL Revisited

> Please find attached the latest version of Part 8, DSRL. This version
> contains a new clause in Annex B that shows how free-standing DSRL maps
can
> be processed using XSLT 2.0. Before releasing this for ballot, however, I
> need your advice. The present clause consists of:
>
> a) A XSLT 2.0 transform that generates a stylesheet that can be used to
> convert files based on the source schema into files that conform to the
> target schema
> b) an example file, with validating DTD, in French
> c) a target schema, coded using the W3C Schema language (OK, I know ...,
but
> I plan to use RELAX NG in the following clause and want to show that we
are
> schema agnostic)
> d) a DSRL map that is designed to show off all of the DSRL functions (not
a
> good idea, but I needed to be able to test everything)
> e) the XSLT 2.0 file created when d) is tranformed by a)
> f) the result of applying e) to b)
>
> The questions I would very much appreciate it if you could find time to
> answer are:
>
> 1) Should we have examples of how the schema works, or would it suffice to
> publish a) on its own, with or without some explanatory text?
>
> 2) At present I simply include the XML files, without explaining their
> contents in any way. Is this sufficient, or should each file have a
> discursive walkthrough?
>
> 3) Should the example try to demonstrate all the features of DSRL, or only
a
> rational subset thereof? (There is a problem of demonstrating things like
> default content for missing elements, in that it is in general impossible
to
> get them in the right place in the schema using automatically generated
> files. You really need programmatic access to the schema to be able to get
> their position exactly right. If you look carefully at the added
> <locality>Downtown</locality> tag you will find that it is in the wrong
> place according to the target schema. Should I, therefore, drop anything
> that is problematic in its use, or should I document why it is
problematic?)
>
> 4) Should the example include elements that appear at different levels in
> different parts of the model? If so, how can this be simply demonstrated
> (and tested)?
>
> 5) So far I have only had time to test a single map and file (though with
a
> number of variants during testing). Does anyone have time to create and
test
> some more maps?
>
> Any ideas on how to simplify the XSLT would also be appreciated.
>
> Martin
>

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