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[Bug 10808] New: i18n comment 2 : new dir attribute value: auto, and a new attribute: autodirmethod

From: Richard Ishida <ishida@w3.org>
Date: Wed, 29 Sep 2010 14:12:41 +0100
To: <public-i18n-bidi@w3.org>
Message-ID: <040e01cb5fd7$ff88e4c0$fe9aae40$@org>
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http://www.w3.org/Bugs/Public/show_bug.cgi?id=10808

           Summary: i18n comment 2 : new dir attribute value: auto, and a new attribute: autodirmethod
           Product: HTML WG
           Version: unspecified
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P2
         Component: HTML5 spec (editor: Ian Hickson)
        AssignedTo: ian@hixie.ch
        ReportedBy: public-i18n-bidi@w3.org
         QAContact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-wg-issue-tracking@w3.org,
                    public-html@w3.org, public-i18n-bidi@w3.org


Comment from the i18n review of:
http://dev.w3.org/html5/spec/

Comment 2
At http://www.w3.org/International/reviews/html5-bidi/
Editorial/substantive: S
Tracked by: AL

Location in reviewed document:
undefined [http://dev.w3.org/html5/spec/spec.html#contents]

Comment:Make simple direction estimation functionality available in the browser
by allowing the dir attribute to take on a new "auto" value indicating that the
user agent is responsible for estimating the direction of the element's
contents according to an algorithm specified by a new attribute,
autodirmethod=first-strong|any-rtl.

This is a part of the proposals made by the "Additional Requirements for Bidi
in HTML" W3C First Public Working Draft. For a full description of the use
cases and the details of this proposal, please see 
http://www.w3.org/International/docs/html-bidi-requirements/#auto-direction
[http://www.w3.org/International/docs/html-bidi-requirements/#auto-direction]
.

In addition, also allow a third autodirmethod value, "plaintext", which would
estimate the direction of each UBA paragraph in the element separately. This is
intended primarily for the <textarea> and <pre> elements, where taking as input
and displaying (mostly plain) text consisting of paragraphs with different
directions is a fairly common need. The CSS3 spec already provides support for
this feature via a new unicode-bidi value, "plaintext"
(http://dev.w3.org/csswg/css3-text-layout/#unicode-bidi). However, some aspects
of the feature still need to be worked out at this time.
Received on Wednesday, 29 September 2010 13:13:08 GMT

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