Hi all,

Are there any objections to marking this as something we should include 
in CellML 1.2?

Best regards,
Andrew

[EMAIL PROTECTED] wrote:
> Andrew Miller <[EMAIL PROTECTED]> has asked  for Include_in_CellML_1.2:
> Tracker Item 153: Allow multiple connections between the same pair of
> components
> http://bowmore.elyt.com/bugzilla/show_bug.cgi?id=153
>
> ------- Additional Comments from Andrew Miller <[EMAIL PROTECTED]>
> Section 3.2.4 of CellML 1.1 states, in the second sentence of the second
> paragraph: "Only one connection may be created between any given pair of
> components in a model".
>
> This is a fairly pointless restriction from all fronts:
>   * From a model authors perspective, it creates a burden on the author to
> consolidate all their connections which may have been created for different
> purposes, and current model authors claim that such consolidation is time
> consuming and error prone.
>   * From a model readability perspective, it is also burdensome because
> connections between variables may not be in a logical order (this is less of 
> an
> issue if tools are used, but the point still holds).
>   * Implementation experience suggests that it is no harder to allow multiple
> connections between the same pair of components when writing simulation
> software, but the extra constraint imposes more work on developers when 
> writing
> tools which try to validate the model.
>
> To fix this, we could simply drop the first two sentences of the second
> paragraph of Section 3.2.4, and perhaps replace them with a short explanation.
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