>> Right, this is what is currently being done, but it is neither intuitive nor 
>> conducive
>> to downstream extensions…
>
> I agree with Martin that we do not need to replicate plain YANG in extensions.
> We want to avoid new extensions, especially if a regular YANG statement with 
> work.

By "downstream extensions" I meant future yang-data definitions.  Imagine we 
have
yang-data 'A' and then, later, a yang-data 'B' that builds on 'A' and then, 
even later, a
yang-data 'C' that builds on 'B'.   The grouping approach only works for 'B' if 
the
definition of 'A' had the foresight to define a grouping 'B' could use, but 'C' 
could be
out of luck.


> IMO it is not worth the trouble.

Gotcha.  What do other people think, would a "uses-yang-data" statement be 
generally
more useful?


K.

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