[UA-EAI] arabic1.arabic2 at arabic3.arabic4

[Stuart Stuple]

I believe for plain text with no fancy Unicode values, the rendering is well-defined because the period and ampersand are both neutral and assume directionality from the surrounding characters. See http://www.w3.org/International/articles/inline-bidi-markup/uba-basics.



Add Unicode directionality controls and you get a wide variety of orderings – but that’s as true of English as it is of Arabic. See https://blogs.msdn.microsoft.com/murrays/2014/03/30/bidi-hyperlinks/.



When I last heard (several years ago), the Unicode consortium was still discussing whether to update the BiDi guidance to account for these cases.



-----Original Message-----
From: ua-eai-bounces at icann.org [mailto:ua-eai-bounces at icann.org] On Behalf Of Paul Borokhov
Sent: Monday, April 3, 2017 2:17 PM
To: Don Hollander <don.hollander at icann.org>
Cc: Andrew Sullivan <ajs at anvilwalrusden.com>; ua-eai at icann.org
Subject: Re: [UA-EAI] arabic1.arabic2 at arabic3.arabic4



From a logical standpoint, arabic1.arabic2 is the mailbox name and arabic3.arabic4 is the hostname.



But of course how this is displayed visually is entirely different. If all components are indeed in Arabic script, this would be rendered as



arabic4.arabic3 at arabic2.arabic1<mailto:arabic4.arabic3 at arabic2.arabic1>



which components are which does not change in this case, but the visual representation is the reverse of the logical one.



Paul



> 3 апр. 2017 г., в 14:10, Don Hollander <don.hollander at icann.org<mailto:don.hollander at icann.org>> написал(а):

>

> Dear all:

>

> In the above example, which is the mailbox name and which is the domain name?

>

> Andrew Sullivan tells me it’s not addressed by the protocol because it’s an implementation issue.

>

> Raed:  How does Raseel handle this?

>

> Don

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