Re: Revised response to your comments on WAI-ARIA 1.0 Authoring Practices

I accept this response.

> Comment 211: Example for external long description
> Date: 2009-04-16
> Archived at:
> Relates to: WAI-ARIA 1.0 Authoring Practices <>
> Status: Alternate action taken
> -------------
> Your comment:
> -------------
> We suggest including an example to cover the use case where an author may
> not want to include the long description on the same page. (ex. a complex
> chart where a describedby attribute points to an id on the page which
> contains a link to a second resource containing the complete description).
> --------------------------------
> Response from the Working Group:
> --------------------------------
> WAI-ARIA does not provide for long description references outside the page.
> We have not found longdesc to be supported by industry due to the extensive
> work needed to create the alternative content. Also, it forces people to go
> to another page and lose context. Consequently, WAI-ARIA only supports an
> ID reference for local descriptive text. This does not preclude authors
> from using external long descriptions instead when supported by the host
> language; it is simply a semantic that ARIA does not add to host languages.
> Authors can also provide a link to a description via an in-page anchor.
> == new response ==
> Although assistive technologies do no yet support this feature,
> aria-describedby may reference more detailed information about the object
> it is describing that includes other content such as tables or a link to
> another document that provides a detailed description of the object. We
> have added an example of this to the Authoring Practices:

Received on Thursday, 17 June 2010 18:40:25 UTC