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RE: controlling digits substitution in IE/FF (Arabic/Hindi/Decimal)

From: Richard Ishida <ishida@w3.org>
Date: Thu, 14 May 2009 09:03:27 +0100
To: "'Richard Ishida'" <ishida@w3.org>, <daniel.goldschmidt@gmail.com>, <www-international@w3.org>
Message-ID: <003401c9d46a$77448190$65cd84b0$@org>
Btw, I assume that the change of glyphs would need to be applied to other
characters than just digits, eg. decimal separators, thousands separators.
This may introduce complications because those things may be
language-dependant.

RI

============
Richard Ishida
Internationalization Lead
W3C (World Wide Web Consortium)

http://www.w3.org/International/
http://rishida.net/




> -----Original Message-----
> From: www-international-request@w3.org [mailto:www-international-
> request@w3.org] On Behalf Of Richard Ishida
> Sent: 14 May 2009 08:56
> To: daniel.goldschmidt@gmail.com; www-international@w3.org
> Subject: RE: controlling digits substitution in IE/FF
(Arabic/Hindi/Decimal)
> 
> I guess the bigger question here is "Should it be possible to represent
> European digit characters with different glyphs (that correspond to other
> Unicode characters)" ?
> 
> One issue with relying on the operating system for such preferences is
that
> the displayed text is likely to look different on different platforms,
> browsers and devices.  One could argue that maps digit shapes to reflect
the
> user's preferences, but I'm not sure.
> 
> Fwiw, I don't think the directionality of the page should have any effect
on
> this at all.  The dir attribute only affects the base direction, and that
is
> not relevant to whether the glyphs are displayed one way or the other.
> 
> I assume that the behaviour of IE is due to it being so closely linked
with
> the operating system.
> 
> As to your last question, there is no CSS or markup that allows that
> preference that I'm aware of.  Btw, if someone copy-pastes the text where
> European digit characters are displayed as Arabic-indic glyphs, I doubt
you
> can guarantee that the characters will display in the form displayed.
> 
> But if you want to control the behaviour, why not just use the relevant
> Unicode characters?
> 
> RI
> 
> ============
> Richard Ishida
> Internationalization Lead
> W3C (World Wide Web Consortium)
> 
> http://www.w3.org/International/
> http://rishida.net/
> 
> 
> 
> From: www-international-request@w3.org
> [mailto:www-international-request@w3.org] On Behalf Of Daniel Goldschmidt
> Sent: 13 May 2009 19:16
> To: www-international@w3.org
> Subject: controlling digits substitution in IE/FF (Arabic/Hindi/Decimal)
> 
> Hey,
> 
> In Arabic (and other language) the European Decimal digits can be
substitute
> by Hindi digit depending the context.
> 
> On Windows platform there is a possibility to set the digits substitution
> behavior to as follow:
>  - Context (the default)
>  - None
>  - National
> 
> (Control Panel -> Regional and Language Setting -> Regional Options ->
> Customize)
> 
> I'm experiencing differences in the behavior of  Firefox, Chrome, and
> Internet Explorer, while displaying digits in pages with dir="RTL" (with
> Regional Options set to Arabic(Egypt)):
> In Firefox/Chrome the digits are not substituted (European Decimal digits
> are displayed)
> In IE digits are substituted (Hindi digits are displayed)
> 
> Questions:
> What is the reason for those behaviour of the different browsers?
> Can I control (using CSS or markups) the behaviour? (I cannot expect the
> end-user to change his/her setting in the control panel...).
> 
> Thanks,
> Daniel
> 
> --
> Daniel Goldschmidt
> Internationalization and Localization expert
> www.locflowtech.com
> 
> Office: +972-72-212-2350
> Mobile: +41-78-774-6307
> Skype: dgoldschmidt
> 
> 
> Visit us at www.localizationworld.com
Received on Thursday, 14 May 2009 08:03:40 GMT

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