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Re: [idn] Unicode tagging
- To: idn@ops.ietf.org
- Subject: Re: [idn] Unicode tagging
- From: Frank Ernens <fgernens@enternet.com.au>
- Date: Fri, 18 Aug 2000 21:57:48 +1000
- Delivery-date: Fri, 18 Aug 2000 05:28:34 -0700
- Envelope-to: idn-data@psg.com
Paul Hoffman wrote
> > > >In an RFC822 parser, a mailbox can't be KC-canonicalized immediately
> > > >because "_" is a compatibility character which expands to an
> > > >underlined space (entirely logical, IMO).
> > >
> > > This statement is false. U+005F has no compatibility decomposition.
Quite so, I was looking at Unicode 2.x. It doesn't any more.
And James Seng wrote
> For a while, I was stunned wondering how "_" would be affected by NFKC.
>
> Now, Email is not really part of the work, i suppose it is related and
> it may be important think _think_ about it, altho we may not do anything
> about it.
I meant this only as a counterexample to an argument and chose it
for familiarity, not because I thought we should discuss email.
The example was screwy in several ways, so please ignore it.