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Accessible Publishing Knowledge Base
Validation
Validation Process
Overview of the validation process and tools and for EPUB publications.
Epubcheck
How to use epubcheck to check publications for conformance issues.
Ace by DAISY
How to use the Ace checker to find accessibility issues.
Ace SMART
How to use the Ace SMART tool to evaluate a publication against the EPUB Accessibility specification.
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Accessible Publishing Knowledge Base