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[cellml-discussion] CellML Versioning Strategy


Chronological Thread 
  • From: matt.halstead at auckland.ac.nz (Matt Halstead)
  • Subject: [cellml-discussion] CellML Versioning Strategy
  • Date: Thu, 20 Sep 2007 09:11:19 +1200

> Otherwise, Matt wrote:
>
> > ... You might want to scan a document to see what
> > "versions" the model conforms up to, but one of the nice things about
> > pushing these new elements/attributes into new namespaces is that you
> > can still treat a model as say 1.1 even if it contains 1.2 elements
> > and attributes...
>
> Treat that model in what way? Surely, if a model uses some 1.2 elements,
> then there must be a reason to it. Therefore, a 1.2 model cannot be treated
> as a 1.1 model, or did I miss something?

It really depends on the intention of adding to the spec. If you are
adding elements that change the interpretation of the CellML 1.1
namespace elements, then yes, there is no point in trying to see only
the cellml 1.1 model within a model that has 1.2 elements.

Sometimes people use "levels" to denote changes to a spec (which often
also a new namespace) that are additive and still render the previous
level a valid model.


>
> Alan.
>
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