Cells in data tables are linked to their headers.

A digital book can contain data structured in information tables. Information tables have an information-carrying structure (in addition to the content of the cells), because its organization puts the cells into relationships. These tables must be made accessible.

Objectives

• Allow technical aids to render the information contained in tables in an understandable manner, by indicating to the user the logical relationships between table content and headers.
• Improving the accessibility of content for people with disabilities

Implementation

Use the HTML th element and its scope attribute to mark up header cells and explain their scope (scope with col value for a column header, row value for a line header).

Control

• Check the source code of the HTML page of the epub or ACE

Validation

• Needs to be human verified.