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[Bug 11012] New: Also say that <area>/image maps is an alternative to @longdesc

From: <bugzilla@jessica.w3.org>
Date: Tue, 12 Oct 2010 12:23:52 +0000
To: public-html@w3.org
Message-ID: <bug-11012-2495@http.www.w3.org/Bugs/Public/>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=11012

           Summary: Also say that <area>/image maps is an alternative to
                    @longdesc
           Product: HTML WG
           Version: unspecified
          Platform: All
               URL: http://dev.w3.org/html5/spec/obsolete#attr-iframe-long
                    desc
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P3
         Component: HTML5 spec (editor: Ian Hickson)
        AssignedTo: ian@hixie.ch
        ReportedBy: xn--mlform-iua@xn--mlform-iua.no
         QAContact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-wg-issue-tracking@w3.org,
                    public-html@w3.org


Becasue @longdesc has obsolete status, the spec recommends:

   ]] Use a regular a element to link to the description. [[

Proposal: To the above,  add the following:

  ]] [Use a regular a element to link to the description] or turn the image
into an image map with a single <area> element and let the <area> element point
to the long description. To mimic the typical implementation of the longdesc
attribute, one might also consider adding target="_blank" to the a or area
element.  [[

Justifications: 

Firstly, HTML5 otherwise align the area element with the anchor element - there
is not reason to not do the same also in this context.

Secondly, an image map is directly assocated with the img element - thus it has
an qualitative advantage in that sense. (This advantage should perhaps be
mentioned in the text - feel free to do so.)

Thirdlly, @target=_blank should be mentioned because all known implementations
of @longdesc do open the URL in a new window.

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Received on Tuesday, 12 October 2010 12:23:55 UTC

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