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01-05-2020, 05:29 PM | #1 |
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Viewer works in 3.48, fails to open book in 4.x with ConversionFailure
An epub book I created with ConTeXt displays fine in version 3 on W10/64. With version 4 (tested with 4.4, 4.5, 4.8) it fails with:\
Spoiler:
Advice? Last edited by theducks; 01-05-2020 at 06:36 PM. Reason: wrap logs in spoiler |
01-05-2020, 08:49 PM | #2 |
creator of calibre
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Run the check book tool in the calibre boo editor and fix the errors it reports.
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01-06-2020, 01:07 PM | #3 |
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Thank you. That has shown a number of issues.
Is there a way to tell the checker to not complain about CSS3 constructs? |
01-06-2020, 03:59 PM | #4 | |
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Quote:
If you see CSS3 complaints, then there is a possibility they are valid because your document may not be a proper EPUB3 , but you are using constructs that don't belong to the current (EPUB2 ?) OTOH you will always get some warnings if you work on AZW3 conversions (the REM vs em thingy) |
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01-06-2020, 06:08 PM | #5 |
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To be clear, I am complaining about error messages for css properties that are defined in EPUB3/CSS3 but not part of CSS2.1 -- such properties as hyphens, flex-flow, order, and many others. Also rem measures. Also @rules such as @counter-style.
The issue is that the messages saying that these violate CSS2.1 clutter the output of the checker function and make it difficult to see real errors. (There were some, and I am making progress fixing them.) I understand that not all CSS3 features will be supported by some devices claiming EPUB3 support. Is there perhaps a conversion target device that allows full CSS3 specification? |
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01-06-2020, 08:27 PM | #6 |
creator of calibre
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conversion issue |
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