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Old 05-13-2015, 03:27 AM   #1
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How well can I modify ePub 3 files?
I know that Calibre doesn't support ePub 3 files, because of that I always modify them by hand.

But how well can I use plugins like Modify ePub, and Calibre's built-in tools like polishing and conversation tools?
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Old 05-13-2015, 05:36 AM   #2
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Quote:
Originally Posted by GERGE View Post
I know that Calibre doesn't support ePub 3 files, because of that I always modify them by hand.

But how well can I use plugins like Modify ePub, and Calibre's built-in tools like polishing and conversation tools?
@GERGE - I don't think you can use those tools, or any others that deal with the internal data of the EPUB3 formats. See this recent thread for some relevant discussion ==>> Signalling needed properties for EPUB3

Its up to the 'owners' of optional PI's like Modify to develop EPUB3 versions of the plugins.

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Old 05-13-2015, 05:57 AM   #3
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What ePub 3 specific feature do you plan on using? If you don't plan on using ePub 3 specific features, then creating ePub 3 is a waste of time and you'd be better off sticking to ePub 2.
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Old 05-13-2015, 06:03 AM   #4
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I am not creating ePub 3 books, some of the books I bought are in ePub 3 format. If you buy books from Kobo, you probably have access to them too. Remember all those books we couldn't download as Adobo DRM from Kobobooks? They are all (at least the ones I have) available as ePub 3 files now.

I use Modify ePub and polishing tools to, well, polish the ePub without getting into the code. I also convert to Kobo and Kindle formats sometimes. But I am directly modifing the code for now for ePub 3 books.

I haven't seen any ePub 3 books from the other two (Google Play and some local store) ePub stores I use, but I believe it is only a matter of time now. ePub 3 is beginning to get more and more supported.
Last edited by GERGE; 05-13-2015 at 06:08 AM.
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Old 05-13-2015, 06:17 AM   #5
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I dont know about modify epub, but Polishing should work fine with epub 3, if it does not you can always restore the original file after polishing, and let me know what the problem was.

EDIT: The only problem I know about is that updating metadata will not update the epub 3 specific metadata fields, which practically speaking, means the epub 3 series field.
Last edited by kovidgoyal; 05-13-2015 at 06:29 AM.
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Old 05-13-2015, 11:52 AM   #6
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Quote:
Originally Posted by GERGE View Post
I haven't seen any ePub 3 books from the other two (Google Play and some local store) ePub stores I use, but I believe it is only a matter of time now.
I've purchased several EPUB3 books from Google Play already. They're rarely, however, anything other than EPUB2 with a nav and an EPUB3 opf. It takes very little time to open them in calibre's editor, remove/convert the epub3-specific opf stuff, chuck the nav (or change it to a regular html toc) and save it.

De-EPUB3 plugin, anyone?
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Old 05-14-2015, 12:51 PM   #7
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Originally Posted by DiapDealer View Post
De-EPUB3 plugin, anyone?
Oh, yes, please!
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Old 05-14-2015, 01:17 PM   #8
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Quote:
Originally Posted by DiapDealer View Post
I've purchased several EPUB3 books from Google Play already. They're rarely, however, anything other than EPUB2 with a nav and an EPUB3 opf. It takes very little time to open them in calibre's editor, remove/convert the epub3-specific opf stuff, chuck the nav (or change it to a regular html toc) and save it.

De-EPUB3 plugin, anyone?
Oh my yes.

My old RMSDK barfs (aborts) when it finds odd stuff (EPUB3?) in the book.
Both the Calibre Editor and Flightcrew find nothing to gripe about (and my eyeballs see nothing either)
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Old 05-14-2015, 02:49 PM   #9
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Originally Posted by theducks View Post
My old MRSDK barfs (aborts) when it finds odd stuff (EPUB3?) in the book.
Does she indeed?

How odd...
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Old 05-15-2015, 04:12 AM   #10
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De-EPUB3 plugin, anyone?
Perhaps as an option for the 'Modify EPUB' plugin? It's similar to the stripping of Kobo KEPUB-gunk it already does.
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Old 05-15-2015, 09:52 PM   #11
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Originally Posted by theducks View Post
Oh my yes.

My old RMSDK barfs (aborts) when it finds odd stuff (EPUB3?) in the book.
Both the Calibre Editor and Flightcrew find nothing to gripe about (and my eyeballs see nothing either)
I have to ask... What is an RMSDK???

And a vote for a de-epub3 tool as well.
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Old 05-15-2015, 10:44 PM   #12
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I have to ask... What is an RMSDK???
Adobe Reader Mobile Software Development Kit

BR
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Old 05-16-2015, 09:52 AM   #13
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I have to ask... What is an RMSDK???

And a vote for a de-epub3 tool as well.
The Device components used to display Adobe DRM (and Not) on a authorized device. It is the device companion to Adobe digital editions.

If your device CAN display books with Adobe DRM, you have it.

Astak, Sony, Nook, Kobo ...
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Old 05-17-2015, 03:59 AM   #14
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De-EPUB3 plugin, anyone?
Yes please. That would save me from doing it manually.
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Old 01-15-2016, 01:13 AM   #15
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How well can Calibre convert ePub 3 files?
Related question: I'm seeing more and more epub3 among the books I buy. How important is it to manually strip out the epub3 stuff before I convert it with Calibre? I've been doing it with all my epub3s, but wondering if it's truly necessary. I'm generally going from epub3 to dual-mobi or azw3. Thx!
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