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Old 04-21-2022, 03:42 AM   #5
stumped
Wizard
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Posts: 3,305
Karma: 10259306
Join Date: May 2016
Device: kobo forma, Kobo Libra, Huawei media Tab, fire HD10, PW3 HDX8.9,
thanks.
1. many of those ticked items have been that way for ages, and are probably unnecessary. e.g. I doubt I have any books with adobe DRM remnants inside so the adpobe stuff could all be unticked ?
the manifest options probably came as ticked by default and I never messed with them.
what could/should I set them to ?

2.i see that the calibre editor checks report several duplicate entries in opf, and also some "unsafe characters" - dash? underscore ?
so some entries look like this

<item id="Section0002.htm" href="Text/Section0002.htm" media-type="application/xhtml+xml"/>

and some look like this
<item id="id2" href="Text...

is there a way to force a cleanup of all the IDs, ( with calibre editor or sigil ) that might help

i recall that my previous problem book ( an attempt to build a decent omnibus edition) also had opf duplicates reported

I am happy to change my workflow for making kepubs- what's essential is that I am able to add a well structed cover page file, otherwise kobo kepub navigation goes haywire and rendering of 1st html file encountered ( which which kobo expects to be a kepub cover ) has a wrong page size/font size. once the cover is well behaved, and there is exactly one pair of h tags per html file, then all the kobo forma navigation controls are OK
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