Allowing for multi-level specialization in topicmeta

I just got a 
case where I needed to extend topicmeta (enhancedmeta) in order to 
include extra metadata to a map. The obvious solution was to specialize 
from topicmeta/othermeta. However, othermeta cannot contain other elements or 
text and therefore does not meet the requirements for a multi-level 
specialization. I would suggest that we change the model to 
othermeta 
(#PCDATA | othermeta)* in order to allow for multilevel 
specilization:

 

<othermetagroup>

    
<othermetaitem/>

    
<othermetaitem/>

<othermetagroup>

 

For my 
immediate needs,  I'll specialize from keywords/keyword in order to 
get 2 levels, but I am breaking away from the 
semantics.

 

 

France 
Baril

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