<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:0 0 0 0 0 0 0 0 0 0;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
p.MsoPlainText, li.MsoPlainText, div.MsoPlainText
{mso-style-priority:99;
mso-style-link:"Plain Text Char";
margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
span.PlainTextChar
{mso-style-name:"Plain Text Char";
mso-style-priority:99;
mso-style-link:"Plain Text";
font-family:"Calibri",sans-serif;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri",sans-serif;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="EN-US" link="#0563C1" vlink="#954F72">
<div class="WordSection1">
<p class="MsoPlainText">Hi Andrew, Thanks for your below reply , I spend a lot of time try to do some mixing examples between RTL and LTR within the same label, what I got is strange and unclear<o:p></o:p></p>
<p class="MsoPlainText">Label as a result for ex.<o:p></o:p></p>
<p class="MsoPlainText"><span lang="AR-EG" style="font-size:10.5pt;font-family:"Arial",sans-serif"><a href="mailto:عبدالمنعم-Abdo@سجل.مصر"><span dir="RTL">عبدالمنعم-</span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Abdo</span><span dir="RTL"></span><span dir="RTL"><span dir="RTL"></span>@سجل.مصر</span></a><span dir="RTL"><o:p></o:p></span></span></p>
<p class="MsoPlainText">Abdo<span lang="AR-EG" dir="RTL" style="font-size:10.5pt;font-family:"Arial",sans-serif">عبدالمنعم.مصر<o:p></o:p></span></p>
<p class="MsoPlainText"><span dir="LTR"></span><span dir="LTR"></span>… etc<o:p></o:p></p>
<p class="MsoPlainText">Many issues you cannot imagine , also another thing using dot in RTL context or in LTR context will give you different labels although they must be the same.<o:p></o:p></p>
<p class="MsoPlainText"><span style="background:yellow;mso-highlight:yellow">To be away from the display issues we get if we mix RTL and LTR code points
<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="background:yellow;mso-highlight:yellow">in the same labels.</span><o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Take a look here <span style="color:#1F497D"><a href="https://tools.ietf.org/html/rfc5564">link</a>.</span><o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">-----Original Message-----<br>
From: UA-discuss [mailto:ua-discuss-bounces@icann.org] On Behalf Of Andrew Sullivan<br>
Sent: Friday, May 04, 2018 2:57 PM<br>
To: John Levine <john.levine@standcore.com>; Abdalmonem Tharwat Galila <agalila@mcit.gov.eg><br>
Cc: Ahmed Bakhat Masood (ahmedbakhat@pta.gov.pk) <ahmedbakhat@pta.gov.pk>; ua-discuss@icann.org; Ahmed Bakhat (ahmedbakhat@yahoo.com) <ahmedbakhat@yahoo.com><br>
Subject: Re: [UA-discuss] Mixing between RTL and LTR scripts</p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Also I don't know how you disallow script mixing for domain names. IDNA is label by label. The DNS is distributed, so there's no way to prevent mixing, is there?<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">A<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">--<o:p></o:p></p>
<p class="MsoPlainText">Please excuse my clumbsy thums<o:p></o:p></p>
<p class="MsoPlainText">----------<o:p></o:p></p>
<p class="MsoPlainText">On May 4, 2018 05:36:02 "John Levine" <<a href="mailto:john.levine@standcore.com"><span style="color:windowtext;text-decoration:none">john.levine@standcore.com</span></a>> wrote:<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">>> I hope you all doing well, after back to TF-AIDN "Task Force Of Arabic
<o:p></o:p></p>
<p class="MsoPlainText">>> IDNs", I got the following regards to mixing LTR and RTL texts within the
<o:p></o:p></p>
<p class="MsoPlainText">>> same label.<o:p></o:p></p>
<p class="MsoPlainText">>> - Mixing between different scripts is not allowed for domain names
<o:p></o:p></p>
<p class="MsoPlainText">>> and email addresses<o:p></o:p></p>
<p class="MsoPlainText">>> - Numbers at the middle or at the end of the RTL domain name is
<o:p></o:p></p>
<p class="MsoPlainText">>> allowed.<o:p></o:p></p>
<p class="MsoPlainText">>><o:p> </o:p></p>
<p class="MsoPlainText">>> To be away from the display issues we get if we mix RTL and LTR code points
<o:p></o:p></p>
<p class="MsoPlainText">>> in the same labels.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> Thanks. I think this clarifies the point that we have no advice on<o:p></o:p></p>
<p class="MsoPlainText">> displaying e-mail addresses, since mailboxes are not domain names and are<o:p></o:p></p>
<p class="MsoPlainText">> not labels and are not subject to IDNA2008.<o:p></o:p></p>
<p class="MsoPlainText">><o:p> </o:p></p>
<p class="MsoPlainText">> Regards,<o:p></o:p></p>
<p class="MsoPlainText">> John Levine, <a href="mailto:john.levine@standcore.com">
<span style="color:windowtext;text-decoration:none">john.levine@standcore.com</span></a><o:p></o:p></p>
<p class="MsoPlainText">> Standcore LLC<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
</div>
</body>
</html>