kobolabs / epub-spec

Details on the elements of the ePub spec that Kobo supports, as well as other information on the Kobo reading platforms.

http://validator.idpf.org/ unaccessible

oldman63 opened this issue 2 months ago · comments

Sári Gábor commented 2 months ago

https://github.com/kobolabs/epub-spec/blob/master/README.md

URL http://validator.idpf.org/ is not online