Summary of Changes

The callstack displayed on error pages when debug is enabled is not accessible.

1. In order to be accessible to visually impaired users, it is important that tables provides a description of its content before the data is accessed. Usually we do this by adding a caption that is only displayed to screen readers but in this case I took an alternative approach (aria-describedy) as I wanted it to be displayed to all users

2. Assistive technologies, such as screen readers, use <th> headers to provide some context when users navigates a table. Without it the user gets rapidly lost in the flow of data. In addition the Headers should be properly associated with the corresponding <td> cells by using a scope attribute

Testing Instructions

Enable debug mode and then on the front end trigger an error such as a 404

Expected result AFTER applying this Pull Request

Table is accessible with caption, table headers and scope

Link to documentations

Please select:

• Documentation link for docs.joomla.org:

• No documentation changes for docs.joomla.org needed

• Pull Request link for manual.joomla.org:

• No documentation changes for manual.joomla.org needed