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KevinH · 05-08-2023, 08:47 AM

Yes that is the proper namespace needed.

xmlns:epub="http://www.idpf.org/2007/ops"

but you seem to be using epub2 pieces here (ie an NCX) and not epub3 NAV. A fixed layout epub support was not added until epub3. And epub3 uses a html NAV not an NCX (although an NCX doc could be added for epub2 backwards compatibility) but probably should not use epub:type attributes which are from epub3 for that same reason.

For example here is what might appear at the top of a NAV:

Code:

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops" lang="en" xml:lang="en">

05-08-2023, 08:47 AM	#2
KevinH Sigil Developer Posts: 8,937 Karma: 6361444 Join Date: Nov 2009 Device: many	Yes that is the proper namespace needed. xmlns:epub="http://www.idpf.org/2007/ops" but you seem to be using epub2 pieces here (ie an NCX) and not epub3 NAV. A fixed layout epub support was not added until epub3. And epub3 uses a html NAV not an NCX (although an NCX doc could be added for epub2 backwards compatibility) but probably should not use epub:type attributes which are from epub3 for that same reason. For example here is what might appear at the top of a NAV: Code: <?xml version="1.0" encoding="utf-8"?> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops" lang="en" xml:lang="en"> Last edited by KevinH; 05-08-2023 at 10:45 AM.