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Old 02-03-2016, 04:29 PM   #23
Doitsu
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Quote:
Originally Posted by KevinH View Post
Sorry about that. Perhaps an epub 1 to 2 output plugin similar to ePub3-itizer should be built to go from epub 1 to epub.
AFAIK, epubs with a version="1.0" package attribute in the .opf file simply have the wrong attribute, because the predecessor of the ePub2 standard was the OEBPS 1.2 standard, which used a different .opf package syntax without a version attribute.

For example:

Code:
<package unique-identifier="book-id"
         xmlns="http://openebook.org/namespaces/oeb-package/1.0/">
I.e., there's no need develop an epub1 plugin, because epub1 books don't exist. However, since some ePub2 books have an incorrect version="1.0" .opf package attribute, it'd nice if Sigil "upgraded" them to version="2.0".
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