[etihwmot]

Originally Posted by hobnail

Here's the standard/official validator for Calibre that you can use:

https://www.mobileread.com/forums/sh...ight=validator

You should always check your epubs with that before you submit them to amazon, et. al.

I do not have java running on this machine, so can't run that plugin for now.

But thanks for the responses, you and jhowell have been useful!