Re: [YANG] new pyang errors

Andy Bierman writes:
>IMO, it is important to be able to easily distinguish between
>some knob that the agent is not using at all (whatever that
>means is DM-specific) vs. a knob that is being used, but which
>has the DM-defined default value.

Why is this the important distinction?  "used" by who?

IMHO the important distinction is the one between the application
and the device that tell the application what statements the device
requires and what it takes to create a valid config.  If the config
statement is mandatory, the application must provide it for the
config to be valid.  The application knows that it must get that
value, assumably beating it out of the user, and create the mandatory
config before committing the configuration.

Thanks,
 Phil

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