An XHTML file that is not well-formed because the elements dt and dd overlap while they should follow each other. This makes the structure ambiguous and might cause problems. Well-formedness error: overlapping elements Christophe.Strobbe@esat.kuleuven.be en Copyright BenToWeb 2004-2007 2005-10-05 accepted for end user evaluation Documents must be well-formed Documents must be well-formed

This test case is intended to fail because the because the markup is ambiguous and may cause problems for assistive technologies.

 enduser

You will be presented an explanation of the word "abbreviation" which has 2 sub-numbers. The goal of the task is to see whether it was read to you appropriately.

Does the order of the two definitions make sense?

If not, what happened?

 10 30 blindness

You will be presented an explanation of the word "abbreviation" which has 2 sub-numbers. The goal of the task is to see whether it was read to you appropriately.

Does the order of the two definitions make sense?

If not, what happened?

 blindness

You will be presented an explanation of the word "abbreviation" which has 2 sub-numbers. The goal of the task is to see whether it was read to you appropriately.

Does the order of the two definitions make sense?

If not, what happened?

 10 30 intellectual disability dyslexia other

The syntax of the document is not correct; the content may be rendered in an incorrect order.

The document is not well-formed: the dt element should be closed before starting the dd element. See 'Common HTML 4.01 validity errors and their effect on accessibility' at http://www.w3.org/2005/Talks/0908-wcag/validity-errors.html and 'Tag Soup: How UAs handle <x> <y> </x> </y>' at http://ln.hixie.ch/?start=1037910467&count=1.