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<p class="MsoNormal">Makes sense to me; I like mentioning the major-use writing system to make the point, but it also makes it clear that it is broader than a single case.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">--Rich<o:p></o:p></p>
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<p class="MsoNormal">Richard Merdinger<o:p></o:p></p>
<p class="MsoNormal">VP, Domains - GoDaddy<o:p></o:p></p>
<p class="MsoNormal"><u><a href="mailto:rmerdinger@godaddy.com"><span style="color:#0563C1">rmerdinger@godaddy.com</span></a></u><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black"><ua-discuss-bounces@icann.org> on behalf of Andrew Sullivan <ajs@anvilwalrusden.com><br>
<b>Date: </b>Wednesday, August 9, 2017 at 3:19 PM<br>
<b>To: </b>"ua-discuss@icann.org" <ua-discuss@icann.org><br>
<b>Subject: </b>Re: [UA-discuss] Programming Language Hacks - UA103<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">On Wed, Aug 09, 2017 at 04:13:35PM +0000, Mark Svancarek via UA-discuss wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Actually, we recently discovered an Edge bug (via the browser review) where the order of labels in a RTL.RTL.ASCII domain name were transposed during rendering. So I like calling it out explicitly.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">This has been a regularly-recurring bug in various rendering engines<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">since at least 2008, because I recall the demonstrations of it during<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">the idnabis WG, and then seeing it in a completely different context<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">during the VIP work for ICANN in 2011 or '12. It's not always only<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Arabic: at least one of the examples was reproducible in any bidi<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">context. I seem to recall one example where the wire order<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"> [firstlabel]RTL[secondlabel]RTL[thirdlabel]LTR[fourthlabel]NULL<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">got rendered as<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"> RTL.LTR.RTL<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Which I thought was a pretty cool bug. I have no idea how it happened<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">that way, though I recall walking mysef through the bidi algorithm at<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">the time and figuring out what the problem must have been. Bidi is<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">hard.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">I therefore think it wise not to call out Arabic especially -- but<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">maybe point out that Arabic is perhaps the most prominent writing<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">system that uses RTL, so that programmers aren't tempted to dismiss<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">the problem as a "corner case". Big corner, the Arabic-using<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">population!<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Best regards,<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">A<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">-- <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Andrew Sullivan<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><a href="mailto:ajs@anvilwalrusden.com">ajs@anvilwalrusden.com</a><o:p></o:p></p>
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