| Title | Long description for complex image: longdesc refers to section below image |
|---|---|
| Description | A document with an image that represents of map of the Mediterranean in 180 AD. The img element has an alt attribute, a title attribute and a longdesc attribute.
The alt attribute identifies the image but the image is too complex to be described in an attribute.
The longdesc attribute refers to a section inside the same page that identifies the image and conveys the same information. |
| Creator | BenToWeb (Christophe.Strobbe@…) |
| Rights | Copyright BenToWeb 2004-2007 |
| Language | English |
| Date | 2005-08-29 |
| Status | draft |
Technologies are markup languages or data formats. If the technology is a markup language, “features” refers to elements and attributes.
XHTML™ 1.0 The Extensible HyperText Markup Language (Second Edition)
Feature: img
(namespace: http://www.w3.org/1999/xhtml)
.
Technical specification: How to specify alternate text .
Feature: img
(namespace: http://www.w3.org/1999/xhtml)
.
Technical specification: The longdesc attribute .
This test case is intended to pass because the alt attribute provides a short description and the longdesc attribute points to a section in the same file that contains an appropriate text alternative. The test is for the longdesc attribute rather than the alt attribute.
End user.
“Rules” refer to success criteria in WCAG 2.0, checkpoints in WCAG 1.0 and similar requirements.
The test case passes (line 10, column 81) the following success criterion: http://www.w3.org/TR/2006/WD-WCAG20-20050630/#text-equiv-informative.
The test case passes (line 10, column 244) the following success criterion: http://www.w3.org/TR/2006/WD-WCAG20-20050630/#text-equiv-informative.
The image has a short text description as well as a long one.
The img element has an alt attribute and a longdesc attribute.
The test case passes the following success criterion: http://www.w3.org/WAI/GL/WCAG20/WD-WCAG20-20050211/#4.1_use-spec-document-backward-compat-violations.
The image has a text description.
The img element has an alt attribute with appropriate alternative text and therefore the img element is valid.