On Wed, 2008-06-04 at 21:56 +0200, Gerard Freriks wrote:
> Dear all,
> 
> 
> The text below by Thomas warrants a conclusion:
> - openEHR needs a (place in a) document that defines the correct
> wording and meaning of:
> version and revision.
> 
> 
> To my mind these words are to much similar and can generate
> confusions.
> Alternatives:
> Package (new Archetype that breaks the previous package archetype)
> plus conversion script from the Old to the New Archetype)
> Version (new Archetype as the result of some editorial changes, only,
> not breaking the previous version)


Hmmm, seems to me that you are introducing a new term AND omitting a
term that is in use. While not clarifying the previous terms which Tom
did quite well. 

I believe that Tom very well defined a version change as a change that
substantially modified a previous version in such a manner as to render
it incompatible with previous versions.  

A Revision (which you omitted) is a change that may further constrain or
otherwise modify an archetype but does not render the expressed
information unusable.  

This is also the same information that can be found in the relevant
documents. But I see no reference to 'Package' as far as archetypes are
concerned.

Package implies a grouping of some type.  An archetype is (AFAIK)
considered to be the expression of a single clinical concept.  


Regards,
Tim


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