Re: Re: Legacy charset conversion in draft-ietf-idn-idna-08.txt

On Mon, May 27, 2002 at 11:54:49AM -0700, Paul Hoffman / IMC wrote:
> Thanks, those are very good points. A few notes on your proposed 
> changes to the security considerations:
> 
> >  When all systems use ASCII or Unicode, different
> >+interpretations are not allowed in this specification.
> 
> I think that goes too far. A user system that "uses Unicode" could 
> still make wrong judgements between the keyboard and the encoding. 
> For example, on the Mac, typing Option-8 inserts a bullet character. 
> There are many different bullet characters in the Unicode character 
> repertoire, so entering a host name that includes one of those bullet 
> symbols might get the wrong result. Thus, I'd rather not use that 
> last sentence.

Well, I dont think the bullets should be in the repertoire for IDN.

> >+When involved systems use non-ASCII and non-Unicode characters (such
> >+as ISO-8859-1 and ISO-2022-JP, which are common on the Internet),
> 
> We're not concerned with what is common on the Internet, but what is 
> common in systems.

And there we have a strong correlation, ISO-8859-1 and ISO-2022 are 
very common on systems.

Kind regards
keld