That really depends on how much hand-holding you need. If you do not know the epub3 standard and do not know about epub3 metadata formats, then Sigil-0.9.3 won't do much for you without ePub3-itizer. If on the other hand, you are comfortable editing the content.opf and understand metadata, Sigil-0.9.3 can be used to create quite advanced epub3 ebooks that do validate correctly.
The upcoming version of Sigil-0.9.4 includes even more bug fixes and a Metadata GUI editor, and will create an empty nav.xhtml for you along with the tools fill the nav in from heading tags (just as done with the NCX). It will also include epub3 Landmark semantics tagging for files in BookBrowser. So more tools will be available for those who need more help in converting their epub2 books to epub3.
Hope this clarifies the state of things a bit better.
KevinH
Quote:
Originally Posted by Notjohn
I think that keeping one's head down and waiting for the dust to settle is a very good tactic, perhaps so good that it really deserves the name of strategy.
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