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ChangeProposals/longdescAnchor
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Issue 30 Change Proposal: <a longdesc=link >
- The following is a Change Proposal for HTML5 ISSUE-30 longdesc which has been reopened.
- This CP is an add-on to the Include longdesc in HTML5 CP (Include Longdesc) which extends the @longdesc attribute to a anchor elements and area elments.
- Editor: Leif H Silli
- Date: June 22, 2011, last updated June 22, 2011
Summary
Extend @longdesc anchor and area elements. Examples:
1) <a longdesc=link ><img src=* alt=text ></a> 2) <a href=BLINK longdesc=link ><img src=* alt=text ></a> 3) <img src=* alt=text usemap=m > <map name=m ><area shape=default longdesc=link ></map> 4) <img src=* alt=text usemap=m > <map name=m ><area shape=default href=BLINK longdesc=link ></map> 5) <a longdesc=link ><table /></a>
Contents
Rationale
- allow authors to build on their knowledge about anchor and area elements when creating longdesc links.
- permit creatition of specific longdesc link texts: <area alt=longdescLinkText longdesc=link>
- add opportunity to add longdesc links also to other elements than the IMG element
Details
A set of edit instructions, specific enough that they can be applied without ambiguity:
- Add @longdesc to AREA and A, the same way it has been added to IMG (Again, this CP incorporporates Include Londesc in HTML5.)
- Describe how to use <a longdesc=link> and <a longdesc=link href=BLINK >
- Describe how <area longdesc="" coords=* shape=* > can be used to add a long description to a specific part of an image.
- Give rules for how to handle duplicate @longdesc values: <a longdesc=link><img longdesc=link></a>. The rule should be that this is forbidden.
- Point out that <area> and <a> are interactive elements even if they only contain the @longdesc attribute.
Impact
Positive Effects
- Advantages
Negative Effects
- List disadvantages
Conformance Classes Changes
Describe what conformance classes will have to change.
Risks
Describe any risks.
References
- List references