Rob,
>> The XPath mixed-quotes problem is well-known, and the suggested
>> solution seems to be use the "concat" function
>>
>> /foo/bar[name=concat("It's a", ' "valid" string')]
>>
>> Not very user friendly, is it?
>
> I suspect that this is unlikely to be popular, but I think that it would be
> nice if there was a plan to move away from XPath, and define a YANG specific
> equivalent instead. Broadly it could follow the same format as XPath but be
> defined against a YANG data tree, and bind to YANG's types. We could get rid
> of the bits of XPath that aren't really helpful or meaningful for YANG, and
> add in some new functionality/fixes that are helpful to solve the YANG
> specific problems related to path expressions.
The idea has some merit, and I understand the background for this sentiment.
Trying not to be on either side at this point, I would just like to point out
that this would mean a considerable amount of work. Both for the WG to define
this language, and later, for implementors to implement it.
/jan
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