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Subject: RE: [codelist] Fwd: Re: Impact of changing a specification from URI to IRI and XRI

The only danger I know of in using non-ASCII characters is if any harm can
be caused by someone maliciously (or otherwise) replacing an ASCII character
with a similar-looking non-ASCII character. This is the basis of many
phishing attacks. I don't really see how that affects us, but then I also
don't see how allowing non-ASCII characters helps us significantly either.
Do we really need our identifiers to be that multi-lingual?


Paul Spencer

> -----Original Message-----
> From: G. Ken Holman [mailto:gkholman@CraneSoftwrights.com]
> Sent: 30 November 2006 22:52
> To: Code List Representation TC
> Subject: [codelist] Fwd: Re: Impact of changing a specification from URI
> to IRI and XRI
> Fellow CLRTC members,
> I've asked someone I highly respect regarding markup and the Internet
> about any impact we have of changing our use of URI strings.
> He can only comment on the use of IRI strings and from what I see
> there is no impact for us to simply say a string is an IRI wherever
> we say it is a URI.
> http://en.wikipedia.org/wiki/XRI states there is some disagreement
> regarding the problems being addressed by XRI strings.  Perhaps we
> should wait to say anything about XRI until it is more widely accepted.
> . . . . . . . . . . Ken
> >Date: Wed, 29 Nov 2006 07:23:58 +0900
> >From: "MURATA Makoto (FAMILY Given)" <eb2m-mrt@asahi-net.or.jp>
> >To: "G. Ken Holman" <gkholman@CraneSoftwrights.com>
> >Subject: Re: Impact of changing a specification from URI to IRI and XRI
> >Cc: MURATA Makoto <eb2m-mrt@asahi-net.or.jp>
> >...
> >Historically, it was not clear whether URIs allow non-ASCII characters.
> >But not it is clear.   URIs disallow non-ASCII charcters, while IRIs
> >allow them.  More about this, see RFC 3987 and RFC 3986.
> >
> >The datatype xsd:anyURI allows IRIs, however.  So, we can safely
> >use this datatype for allowing non-ASCII characters.
> --
> World-wide corporate, govt. & user group XML, XSL and UBL training
> G. Ken Holman                 mailto:gkholman@CraneSoftwrights.com
> Crane Softwrights Ltd.          http://www.CraneSoftwrights.com/o/
> Box 266, Kars, Ontario CANADA K0A-2E0    +1(613)489-0999 (F:-0995)
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