There should be a warning now if `href` attributes in the package document have absolute URLs that use the `file` scheme. `href` is allowed on metadata `link` and manifest `item` elements. See https://github.com/w3c/epub-specs/issues/1688
Activity
[-]file scheme not recommended in package document[/-][+]file scheme not allowed in publications[/+]mattgarrish commentedon Jun 20, 2022
This restriction has now been broadened and made more restrictive.
file:URLs are not allowed anywhere in an epub publication.See w3c/epub-specs#2324
feat: report 'file' URLs as errors