My system is Windows 10 Home 64-bit. I have the 64-bit version of Sigil 1..3 installed along with the epubcheck plugin.
I was loading an ePub 3 eBook and Sigil pops up the message...
Quote:
This EPUB has HTML files that are not well formed or are missing a DOCTYPE, html, head, or body elements. Sigil can automatically fix these files, although this may result in minor data loss in extreme circumstances.
Do you want to automatically fix the files?
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When I clicked no, I then checked the eBook for errors using epubcheck and I received no errors.
Is this a bug with Sigil? If so, can it be fixed? If it's not a bug, what in the eBook code is incorrect?
Here is a scrambled copy of the eBook. The only changes made is that the embedded fonts were removed and all CSS code referencing these fonts was removed. Otherwise, it's the unchanged scrambled code. I did check it with epubcheck and it passed.