UML Association file format changes in 0.97

[andreas faafeng com]

Hi,

I am trying to sort out a bug [1] in Parse-Dia-SQL which seem to be triggered by UML Association file format 
changes in Dia version 0.97.  I wonder if similar changes can be expected going forward, and if yes, can the 
"version" tag be used to identify them? 

I have also noticed that multiplicity is spelled 'multipicity' in objects/UML/association.c.  Is that 
intentional or a typo?

[1] https://rt.cpan.org/Public/Bug/Display.html?id=47040

Regards,
Andreas
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