Conformance class attribute proposal (DR 08-0012)
Jesper Lund Stocholm
jesper.stocholm at ciber.dk
Thu Jun 11 09:24:46 CEST 2009
Conformance attribute proposal:
Shawn and I have thought about the conformance attribute - especially in the light of the changed namespace for strict documents.
We'd like to propose the following change:
1. remove the conformance clause attribute that was created during the BRM
2. Add a new optional "version"-attribute on the root elements, i.e. for WordProcessing, Presentation and Spreadsheet-documents.
Rationale:
The conformance clause was added to be able to distinguish between documents of different conformance classes - a proposal created at the BRM. Now that we have created an even stronger tool (changing the namespace for strict documents) we don't need this attribute any more. Further - should it remain, it would be a source of ambiguity while allowing a strict document (namespace-wise) to specify a conformance class value of "transitional". What we do need, however, is a way to specify versioning of the applied specification.
So - there are all sorts of nitty-gritty details to how to do the version-attribute. A suggestion would be to have the constraints on the attribute vary between strict and transitional schemas. So the version attribute could be created as this
strict
default: 1.1 IS29500:2008
constrain: MinInclusive="1.1", type="xs:double"
We could have the spec specify that these values are reserved:
1.1: IS29500
1.2: IS29500 (amd/cor 1)
transitional
default: 1.0 (ECMA-376 1st ed)
constrain: MinInclusive="1.0", type="xs:double"
We could have the spec specify that these values are reserved:
1.0: ECMA-376 1st ed
1.1: IS29500
1.2: IS29500 (amd/cor 1)
The important thing at this point is not the details (we'll sort these out in Copenhagen) but to get a consensus that this is a path we should proceed on.
Jesper Lund Stocholm
Lautruphøj 1-3
DK-2750 Ballerup
Denmark
Tlf.: +45 30 94 55 70
Email: jesper.stocholm at ciber.dk <mailto:jesper.stocholm at ciber.dk>
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