Accessibility - thoth-pub/thoth GitHub Wiki

The accessibility of the eBook output of small publishers to print disabled individuals is supported through metadata. This can be in the form of metadata standards including data on the accessibility of the work, or metadata standards used to provide accessibility features. In addition, there are various digital accessibility standards that apply to web sites and the documents available on them, that form part of legal requirements in certain countries.

Metadata standards that include accessibility tags:

• EPUB Accessibility
• MARC Accessibility
• ONIX Accessibility
• BIBFRAME Accessibility

Standards that allow provision of accessibility features and tools:

• EPUB Accessibility
• PDF/UA
• WAI-ARIA
• DAISY

Markup languages that allow provision of accessibility features and tools:

• MathML, also known as ISO/IEC 40314:2016
• Timed Text Markup Language
• Scalable Vector Graphics
• Voice Extensible Markup Language
• DocBook
• DTBook

Digital accessibility standards:

• Web Content Accessibility Guidelines (WCAG) 2.2 - Level AA is required by UK law
• Web Content Accessibility Guidelines (WCAG) 2.1
• Web Content Accessibility Guidelines (WCAG) 2.0 - Level AA is required by US law
• EN 301 549 Annex A - Similar to WCAG 2.1 and is required by EU law