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Re: [Ltru] Scopes and types (was: Is 639-3 bogus ?)



Frank Ellermann scripsit:

> We also didn't mention that new fields might be introduced later.

It's not reasonable to assume that things are immutable if not mentioned
otherwise -- or nothing could ever be changed unless it was decided
back in 1969 that it would be mutable later.

IOW, stability policies have to be explicit.

> And for the purpose mentioned by me - check if "foo" is a pure 639-3
> subtag - we have no proposal based alone on the LSR.

What is a pure subtag?

-- 
Using RELAX NG compact syntax to        John Cowan <cowan at ccil.org>
develop schemas is one of the simple    http://www.ccil.org/~cowan
pleasures in life....
        --Jeni Tennison                 <cowan at ccil.org>

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