epub:type in nav.xhtml does not need to be identical to the epub:type of the related chapter/file

nlbdev / nordic-epub3-dtbook-migrator

Tools for converting between a strict subset of DTBook and EPUB3.

http://nlbdev.github.io/nordic-epub3-dtbook-migrator/

GNU Lesser General Public License v2.1

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epub:type in nav.xhtml does not need to be identical to the epub:type of the related chapter/file #575

Open oscarlcarlsson opened 1 month ago

oscarlcarlsson commented 1 month ago

In a title we just recieved, we noticed that it is allowed to have a different epub:type in the nav.xhtml-document than what is in the corresponding file. In this case we had epub:type="backmatter colophon" in the nav.xhtml and epub:type="frontmatter colophon" in the colophon-text file.

Should we have a validation rule that prevents this?

Related to #574