W3C home > Mailing lists > Public > public-html-bugzilla@w3.org > February 2012

[Bug 15278] Adding Islamic calendar support in HTML5

From: <bugzilla@jessica.w3.org>
Date: Wed, 08 Feb 2012 14:29:50 +0000
To: public-html-bugzilla@w3.org
Message-Id: <E1Rv8Ws-0004kU-Tn@jessica.w3.org>

--- Comment #8 from Cameron Jones <cmhjones@gmail.com> 2012-02-08 14:29:46 UTC ---
Sorry for the lateness of the reply, i've been getting 'snowed' under

Yes this is only for presentational rendering and it is already suggested in
spec that the "lang" attribute be used as declaration for localization.

I suggest that in order for the potential to be realized for authors and
browsers that an additional example is added specifically noting the use of the
unicode extension tags for calendar declaration. This was unapparent prior the
this bug being opened and investigated, and i expect support and use in this
area is otherwise non-existent.

The unicode extensions are invalid without at least a primary language subtag
and as such require a language declaration in order to be well formed and

The format of the note could be represented as follows in illustrating the
Islamic New Year of 1434 AH in the Arabic language and with regards to the
conversion required from the ISO time encoding:

<input type="date" lang="ar-u-ca-islamic" value="2012-11-15"/>

For more examples, see how this is implemented by Eclipse for representing
calendars in multiple languages:


There is also ongoing work in the globalization extension to javascript which
will tie in directly with this:


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Received on Wednesday, 8 February 2012 14:31:55 UTC

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