----- Original Message ----- From: "John C Klensin" <[EMAIL PROTECTED]> To: "Eric A. Hall" <[EMAIL PROTECTED]> Cc: "IDN" <[EMAIL PROTECTED]> Sent: Tuesday, November 20, 2001 2:38 PM Subject: Re: [idn] hostname history hell
> --On Tuesday, 20 November, 2001 15:52 -0600 "Eric A. Hall" > <[EMAIL PROTECTED]> wrote: > > > John C Klensin wrote: > > <snip> > > * prohibit, in the spirit of the hostname rules, all > symbol and drawing characters > > We don't _need_ them for identifiers. Some of them will, sooner > or later, run up against a legitimate command language or cause > "interesting" lexical parsing problems (even if they don't cause > problems in today's URI syntax definition). High risks, > marginal benefit. > > Just my opinion, of course, but I have these scars... > > john I am in substantial agreement with you John except I think on this issue of symbols and drawing characters. Our market research shows that there is going to be a high degree of demand for such characters. Further, with the wide range of scripts and characters supported by Unicode, for many it will be a rather academic hair-splitting which is a language script/character and which is technically a symbol or drawing character. Tim
