[scxml] schema problem within <assign> node

Hello guys,
I have noticed the scxml schema is not accepting @name
as a valid attribute within the <assign> node. 

The current schema is just concentrating in the
datamodel part forgetting about the fact that <assign>
node can be used to just modify a local variable and
then @name is a valid attribute as well.

Am I missing something? Thanks a lot!,

Nestor

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