unwanted calibre# classes in my epub.
Years ago I created an epub, imported it into Calibre, and sent it to my Kindle Paperwhite. It was converted to asw3 format. Both the epub and azw3 versions reside in the Calibre library. Later I downloaded the epub from the Calibre library, as I wanted to do some editing and add a couple of pages.
The epub was chock-full of calibre# classes, renamed sections, and other unknown stuff. All my old classes are gone. Basically it's now uneditable.
1. Why/how did this happen?
2. How can I restore my original CSS rules?
3. How do I stop this from happening in the future?
Thanks,
Sadhu
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