https://www.w3.org/news/2008/authoring-tool-accessibility-guidelines-atag-20-updated-working-draft-2/
Authoring Tool Accessibility Guidelines (ATAG) 2.0: Updated Working Draft | 2008 | News | W3C
The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to develop Web...
atag 2 0
https://www.w3.org/WAI/AU/errata/
Authoring Tool Accessibility Guidelines (ATAG) 2.0 Errata
atag 2 0authoring toolaccessibility guidelineserrata