Ranges of parameters : where do they come from ?

[Bonnarel]

In the discussion of PR #83 recently merged in master this comment I made a couple of days ago was not adressed. This is not blocking for publishing the WD 1.1 but I would like this discussed before RFC

Hence, I'd say this should read: "To allow for expressive, usable user interfaces, operators SHOULD indicate useful ranges of parameters in MIN and MAX children or, for enumerated parameters, indicate the valid values in OPTIONS." Or something like that.

This was discussed in the past. In case you come from ObsCore, SSA, SIA and the service is SODA or SODA-like the values can be inferred from the dataset metadata. In general we don't need to repeat that in VALUES. So I suggest to add these words to Markus sentence after "OPTIONS" : , "in case these values cannot be inferred from relevant metadata retrieved before the service descriptor discovery".

[Bonnarel]

change has been merged with PR#100