<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">
Mark, John, Harald,<div><br></div><div>I haven't gone back to look carefully at rationale and defs but I seem to recall that Stringprep may be referenced in the non-normative Rationale for context relative to IDNA2003. Is there a way to avoid confusion as to the status of Stringprep in the IDNA2008 context (ie. not relevant) through reference to Rationale?</div><div><br></div><div>v</div><div><br></div><div><br></div><div><br><div> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div><div><br class="Apple-interchange-newline">Vint Cerf</div><div>Google</div><div>1818 Library Street, Suite 400</div><div>Reston, VA 20190</div><div>202-370-5637</div><div><a href="mailto:vint@google.com">vint@google.com</a></div><div><br></div></div></span><br class="Apple-interchange-newline"></span><br class="Apple-interchange-newline"></span> </div><br><div><div>On Dec 23, 2008, at 12:51 PM, Mark Davis wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">That text was not actually new - it is Harald's original, that I was just quoting for context.<br><br clear="all">Mark<br> <br><br><div class="gmail_quote">On Tue, Dec 23, 2008 at 04:31, John C Klensin <span dir="ltr"><<a href="mailto:klensin@jck.com">klensin@jck.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <br> <br> --On Monday, 22 December, 2008 11:42 -0800 Mark Davis<br> <div class="Ih2E3d"><<a href="mailto:mark@macchiato.com">mark@macchiato.com</a>> wrote:<br> <br> > Here is suggested text.<br> ><br> > This modification will allow some strings to be used in<br> > Stringprep contexts that are not allowed today. It is<br> > possible that differences in the interpretation of the<br> > specification between old and new implementations could<br> > pose a security risk, but it is difficult to envision any<br> > specific instantiation of this.<br> </div>>...<br> <br> Hi,<br> <br> In formulating new text, please remember that, as far as<br> IDNA2008 (sic) is concerned, there is no Stringprep and<br> especially no "Stringprep context", at least without a lot more<br> qualification. Readers of the new specs are not assumed to be<br> familiar with Stringprep at all. The only possible exceptions<br> to this are the transition discussions which I hope we can keep<br> very localized and that can, if needed, establish their own<br> definitions.<br> <br> Making Stringprep normative for the new specifications would be,<br> IMO, very confusing and generally unfortunate.<br> <font color="#888888"><br> john<br> <br> </font></blockquote></div><br><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">_______________________________________________</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Idna-update mailing list</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><a href="mailto:Idna-update@alvestrand.no">Idna-update@alvestrand.no</a></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><a href="http://www.alvestrand.no/mailman/listinfo/idna-update">http://www.alvestrand.no/mailman/listinfo/idna-update</a></div> </blockquote></div><br></div></body></html>