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[Bug 13482] New: dir=auto needs to work on value of input and textarea elements

From: <bugzilla@jessica.w3.org>
Date: Sun, 31 Jul 2011 07:52:33 +0000
To: public-html@w3.org
Message-ID: <bug-13482-2495@http.www.w3.org/Bugs/Public/>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=13482

           Summary: dir=auto needs to work on value of input and textarea
                    elements
           Product: HTML WG
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: HTML5 spec (editor: Ian Hickson)
        AssignedTo: ian@hixie.ch
        ReportedBy: aharon.lists.lanin@gmail.com
         QAContact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-wg-issue-tracking@w3.org,
                    public-html@w3.org


As currently specified
(http://dev.w3.org/html5/spec/Overview.html#the-dir-attribute), dir=auto
determines an element's directionality by scanning the element's text node
descendants.

Unfortunately, this spec does not give sufficient consideration to <input> and
<textarea> nodes, for which dir=auto was always envisioned to work based on
their current value, i.e. to potentially change the element's directionality
when the user types into them. As a result, dir=auto as currently implemented
in WebKit does not do anything useful for input elements, and only works on a
textarea's initial value, without changing as the user modifies it.

Furthermore, a dir=auto element's directionality should not be dependent on the
text nodes in a descendant <textarea>, since these usually do not change
dynamically when the user types into the textarea, and since a textarea should
behave in this regard just like an input element.

Thus:

- For input and textarea elements with dir=auto, the directionality should be
determined not by the element's descendants, but by the element's current
value, and should change as the latter changes.

- For other elements, the text node descendants under a descendant textarea
element should be excluded, just like those in script and style elements.

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Received on Sunday, 31 July 2011 07:52:34 GMT

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