Re: [idn] hostname history hell

["Eric A. Hall" <ehall@ehsco.com>]

John C Klensin wrote:

> It was also noted at the time that hyphen was a common argument
> ("qualifier") introducer in some command languages and a common
> introducer for negative numbers in input strings in others, and
> hence better avoided.

The argument-introducer aspect is probably still applicable. Should we
keep the no-leading-hyphen rule for i18n host identifiers? We're not
explicitly tagging -GW or -TAC postfixes so that is not required (but may
be desirable for compatibility).

-- 
Eric A. Hall                                        http://www.ehsco.com/
Internet Core Protocols          http://www.oreilly.com/catalog/coreprot/