Nameprep and NFKC
John C Klensin
klensin at jck.com
Mon Oct 18 15:27:54 CEST 2010
--On Monday, October 18, 2010 8:59 AM -0400 Andrew Sullivan
<ajs at shinkuro.com> wrote:
> On Sun, Oct 17, 2010 at 09:53:52AM -0400, John C Klensin wrote:
>> In this particular case, I can't imagine any reasonable
>> behavior other than to reject the string, presumably with an
>> error condition,
>
> But that's this _particular_ case. In an actual application,
> the reasonable thing to do would be to kick the string back up
> to the application's mapping layer, which either can put the
> string into NFC or not. But the error handling probably lives
> up there. (This is another reason why the RFC can read as it
> does: the _protocol_ requires certain things, but it doesn't
> constrain how things outside the protocol layer behave.)
Exactly. I was referring to the behavior of the demo/test
program only.
john
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