Re: [idn] Unicode tagging

[RJ Atkinson]

At 00:44 18/08/00, Keith Moore 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.
>
>and what you can put in an RFC822 address has nothing to do with this group.

Not true.  They live in MB records which need to support
IDNs because the other half of an mailbox name is an IDN.

Ran