Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-04.txt
jean-michel bernier de portzamparc <jmabdp@gmail.com> Wed, 27 April 2011 00:51 UTC
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Date: Wed, 27 Apr 2011 02:51:28 +0200
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From: jean-michel bernier de portzamparc <jmabdp@gmail.com>
To: Simon Josefsson <simon@josefsson.org>, internet users contributing group <iucg@ietf.org>
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Cc: idna-update@alvestrand.no, apps-discuss@ietf.org
Subject: Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-04.txt
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However I support JFC's position on the long range, I disagree that IUCG should support the Draft until the points well made by Simon Josefsson are addressed. Even if we can introduce a better network suited approach than Unicode we will still have to interface the Unicode codepoints for a very long time. Portzamparc 2011/4/26 Simon Josefsson <simon@josefsson.org> > "Jiankang Yao" <yaojk@cnnic.cn> writes: > > > Dear colleagues, > > > > This message starts a two-week WGLC on the draft > > draft-faltstrom-5892bis-04.txt. > > All, > > I support publication of a document to clarify IDNA2008's relationship > to Unicode 6.0 but I believe the content of the above document causes an > instability for U+19DA which can be avoided. From my implementer's > point of view, it seems better to add U+19DA as PVALID in the > BackwardCompatible (G) category so that we have the property that > IDNA2008-Unicode5.2(X) = IDNA2008-Unicode6.0(X) for all strings X that > were permitted by IDNA2008-Unicode5.2. > > The above document effectively forbids some strings that were permitted > before. I believe this causes a perception of instability in the > algorithm. It seems that permitting strings with this code point would > not cause any problem in practice. To me that is a strong argument that > good algorithmical/implementation properties are more important than any > consideration for this particular code point. If U+19DA would cause > operational difficulties, I would be more inclined towards forbidding > strings that contains it, but I haven't seen those arguments. > > This has been brought up before by others, and I have merely been > convinced by that discussion. I'm not trying to state this point as > anything original. In particular, here are pointers to where Mark Davis > explains the point: > > http://article.gmane.org/gmane.ietf.idnabis/6910 > http://www.alvestrand.no/pipermail/idna-update/2010-October/006742.html > > > Note: This draft is a document that updates an earlier RFC by stating > > nothing is to be updated. > > That seems wrong. Technically the document does not claim to update any > earlier RFC according to the document content (there is no 'Updates:' > header). Could you clarify what you mean here? Is the intention that > the document will be marked as Updating any earlier RFC or not? > > /Simon > _______________________________________________ > Idna-update mailing list > Idna-update@alvestrand.no > http://www.alvestrand.no/mailman/listinfo/idna-update >
- [apps-discuss] WGLC: draft-faltstrom-5892bis-04.t… Jiankang Yao
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… JFC Morfin
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… John C Klensin
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Barry Leiba
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Andrew Sullivan
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Mykyta Yevstifeyev
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Patrik Fältström
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Mykyta Yevstifeyev
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Simon Josefsson
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Andrew Sullivan
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Andrew Sullivan
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… jean-michel bernier de portzamparc
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Stéphane Lancel
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Vint Cerf
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Andrew Sullivan
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Stéphane Lancel
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Simon Josefsson
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… John C Klensin
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… J-F C. Morfin
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Jiankang YAO
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Simon Josefsson
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… John C Klensin
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Paul Hoffman
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Joseph Yee
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Jiankang YAO
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Pete Resnick
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Simon Josefsson
- Re: [apps-discuss] WGLC: draft-faltstrom-5892bis-… Joseph Yee