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[Bug 9592] New: user agents should provide an indication that an image has not been rendered

From: <bugzilla@jessica.w3.org>
Date: Mon, 26 Apr 2010 11:14:53 +0000
To: public-html-bugzilla@w3.org
Message-ID: <bug-9592-2486@http.www.w3.org/Bugs/Public/>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=9592

           Summary: user agents should provide an indication that an image
                    has not been rendered
           Product: HTML WG
           Version: unspecified
          Platform: PC
        OS/Version: Windows NT
            Status: NEW
          Severity: normal
          Priority: P2
         Component: HTML5 spec bugs
        AssignedTo: dave.null@w3.org
        ReportedBy: faulkner.steve@gmail.com
         QAContact: public-html-bugzilla@w3.org
                CC: ian@hixie.ch, mike@w3.org, public-html@w3.org


Currently the spec says under
http://dev.w3.org/html5/spec/text-level-semantics.html#the-img-element (
revision 1.4067):

&#8618;If the src attribute is set and the alt attribute is set to the empty
string
...
"User agents may provide the user with a notification that an image is present
but has been omitted from the rendering."

change this to 
"User agents should provide the user with a notification that an image is
present but has been omitted from the rendering."

&#8618;If the src attribute is set and the alt attribute is set to a value that
isn't empty
...
"User agents may provide the user with a notification that an image is present
but has been omitted from the rendering."

change this to 
"User agents should provide the user with a notification that an image is
present but has been omitted from the rendering."

Rationale:
for users of graphical user agents that have images disabled unless an
indication that an image has been replaced or not rendered, there is no
mechanism for the user to identify where an image may be on the page and
therefore no way for the user to query the image and display it or copy it or
obtain the the image address, if the user so desires.

Quite often users may have images turend off to save on bandwidth, but want to
display an image for further investigation, but they cannot unless they know an
image is there.

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Received on Monday, 26 April 2010 11:15:28 GMT

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