epubcheck
https://github.com/w3c/epubcheck
Java
The conformance checker for EPUB publications
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- Issues
- fix: report fatal RSC-016 on unexpected exceptions
- fix: do not throw an exception if a `dc:date` ends with '.'
- A dc:date ending in '.' throws NoSuchElementException and aborts validation with an empty report
- EPUBChecker 5.4.0 – Validation Errors for xml:lang in OPF and aria-labelledby in nav.xhtml
- fix: allow ARIA labels on Nav Doc `nav` elements
- Message ids are inconsistently spelled: 21 of 315 use an underscore
- chore(deps): bump js-yaml from 3.14.1 to 3.15.2 in /website
- chore(deps): bump browserslist from 4.16.0 to 4.28.9 in /website
- <nav> should allow the aria-labelledby attribute
- Running EPUBCheck in the Browser
- Docs
- Java not yet supported