Checkpoint 1.2 - XML/XSLT
Provide explicit, multiple types of relationships between alternatives to allow users to select alternatives which are useful to them
XML Accessibility Guidelines
Guideline 1. Ensure that authors can associate multiple media objects as alternatives
Being able to create and select multiple types of relationships between items and not just a text to image relationship give users more flexibility to select content appropriate for their needs.
Requirement
Consider extending an item by allowing multiple relationships to other alternative items
Techniques
<mediaExample>
<Obj xlink:role="http://example.au/equivalenceTypes/image"
xlink:href="imageVersion" />
<Obj xlink:role="http://example.au/equivalenceTypes/shortText"
xlink:href="shortText" />
<Obj xlink:role="http://example.au/equivalenceTypes/movie"
xlink:href="movie" />
</mediaExample>
Information Source
The original source of this information is located on the W3C web site (www.w3.org/TR/xag#cp1_2)