Quote:
Originally Posted by tinmug
Thanks.
I've been using ePub 3.
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In that case, you'll need to add a
toc landmarks item. If a book contains both an .opf file with a guide section and nav xhtml file with a landmarks section the nav xhtml file takes precedence over the .opf file. (The nav xhtml file has a
properties="nav" attribute in the .opf file.)
Quote:
Originally Posted by tinmug
Whereas the standards document refers to (an example of):
<item id="toc" properties="nav" href="xhtml/toc.xhtml" media-type="application/xhtml+xml"/>
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That's the required nav landmarks item for ePub3 books.
That's the required nav file manifest entry in the .opf file.
BTW, if you've opened an ePub3 book generated by InDesign with an older Sigil version, it might have saved it as an ePub2 file.
Check your ePub with the
IDPF Online Validator.
If it says
Detected version: EPUB 2.0.1 , Sigil has saved your epub3 book as an epub2 book and the .opf guide item should work otherwise check the landmarks section of the nav xhtml file.