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Old 12-30-2020, 06:04 AM   #1
carmenchu
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toc.ncx in epub3
Hello!
I just had the problem:
1. epub2 converted to epub3 and then edited and re-structured
2. epubcheck plugin run on it--after some other errors mended, some were persisting--all related to toc.ncx (inherited from epub2 stage)
3. I finally understood that toc.ncx wasn't being automatically updated--manually generating it again ended the trouble.

Well- I am not grumbling: as toc.ncx isn't mandatory for epub3, it makes sense--sort of. Only, I found the error reports highly puzzling until I tumbled into the explanation...

By the way: thanks for Sigil and its plugins
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Old 12-30-2020, 07:31 AM   #2
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Quote:
Originally Posted by carmenchu View Post
Hello!
I just had the problem:
1. epub2 converted to epub3 and then edited and re-structured
2. epubcheck plugin run on it--after some other errors mended, some were persisting--all related to toc.ncx (inherited from epub2 stage)
3. I finally understood that toc.ncx wasn't being automatically updated--manually generating it again ended the trouble.

Well- I am not grumbling: as toc.ncx isn't mandatory for epub3, it makes sense--sort of. Only, I found the error reports highly puzzling until I tumbled into the explanation...

By the way: thanks for Sigil and its plugins
toc.ncx is mandatory if you want backwards comparability with ePub 2.
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Old 12-30-2020, 09:21 AM   #3
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Quote:
Originally Posted by JSWolf View Post
toc.ncx is mandatory if you want backwards comparability with ePub 2.
Give it a rest, Jon. he was looking to update the ncx, not remove it. But regardless of that, he's correct. An NCX is optional in epub3. Maintaining backward compatibility is optional as well.
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