Quote:
Originally Posted by JSWolf
You don't actually need an HTML TOC. You have the NCX file and if it's ePub3, you have the NAV and in most cases the NCX.
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Agreed, but it's the toc.ncx the poster is commenting on.
You need the toc.ncx for epub2 ereader/app compatibility. That's why it's recreated. Answer "no".
OTOH there is the odd reader that doesn't display system contents using the toc.ncx. That's why some ebooks have an HTML contents page and link each chapter to it. Also an HTML contents page can have additional information and as many levels as you want, partway between and Index and Contents page. More than two on toc.ncx is inadvisable.
Oddly not all ereaders have search either, or only a convoluted method to input text if no touch or keyboard.
I had one totally dumb ereader that had no search and no ability to select links. I forget if it had the system contents using toc.ncx