Brickfield accessibility tool plugin

Copyright (C) 2021 Brickfield Education Labs

The Accessibility admin tool plugin provides a simple means of checking content for any accessibility issues.

Created by an enthusiastic team from Brickfield Education Labs, including:

• Karen Holland
• Gavin Henrick
• Mike Churchward
• Renée Mackey
• Laia Joana Canet
• Jay Churchward
• Paul Ffrench
• Holly Lynn
• Michael Pound
• Max Larkin

with a little help from our friends.

Portions of the htmlchecker files were derived from the "Quail PHP Accessibility Library". The Quail library (Copyright (C) 2009 Kevin Miller) is licensed under GNU GPL v3. See the LICENSE_QUAIL.txt file in this directory for original Quail license information.