04-24-2019, 01:53 AM | #1 |
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EPUB 3 Error in EPUBCheck version 4.1.1.
Hello everyone, I am new to this forum and community. I am an Indi amateur publisher in the process of creating an EPUB file for 'publishing. I am using Calibre 3.41.3 to produce an EPUB 3 for submission of a book to IngramSpark that requires EPUB 3 format (won't accept EPUB 2).
When checking the EPUB 3 file with "EPUB Validator (beta)" at http://validator.idpf.org/application/validate I get the following message: WARNING - content.opf: XHTML Content Document file name 'index_split_000.html' should have the extension '.xhtml'. These errors appear at every page break in my source document (docx format). There is a footnote on the results page that reads - Validated using EPUBCheck version 4.1.1. (an EPUB 2 file from the same input file passes without any errors). Is there a setting in Calibre that overcomes this problem with the extension file name? |
04-24-2019, 02:44 AM | #2 |
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04-25-2019, 03:16 AM | #3 |
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Tags |
caliber, epub 3.0, validation warning, validation;epubcheck; |
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