Questions tagged [epubcheck]

EpubCheck is a tool to validate EPUB files.

Filter by
Sorted by
Tagged with
0
votes
0answers
30 views

How many links are too many for EPUB?

I have an ebook with a large number of internal links. The stats are below. I'm trying to understand if my troubles are related to the Kindle Previewer or to some unspecified limit on how many ...
1
vote
1answer
21 views

Why does EPUBCheck report warnings and errors for ISO8601 date-time string?

While working on a PHP script that builds EPUB 3.0.1 content from external data, I encountered a situation where EPUBCheck complains about a valid ISO8601 date-time string in two places in the ...
0
votes
1answer
379 views

EpubCheck in Calibre gives errors with epub:type and aside

I get these two errors: ERROR(RSC-005): Error while parsing file 'attribute "epub:type" not allowed here; ERROR(RSC-005): Error while parsing file 'element "aside" not allowed anywhere; How can I ...
2
votes
1answer
464 views

What tag use is expected in an ePub toc.xhtml?

I asked a similar question at What do I need my (ePub) toc.ncx to have?, but thought to create a different question about what to do for a toc.xhtml file. The error I am getting when I try to ...
3
votes
0answers
706 views

What do I need my (ePub) toc.ncx to have?

I am trying to figure out an appropriate toc.ncx that EpubCheck will recognize as correct. Right now I have: <?xml version="1.0" encoding="utf-8"?> <ncx version="2005-1" xmlns="http://www....
1
vote
1answer
605 views

ePub validator is giving me errors. How can I address these reported errors?

I am working a "Christmas tree packet" version of a kind of (version 3.0) ePub I am working on, and I would like help understanding the results. This ePub includes images, and is available from https:/...
0
votes
2answers
595 views

CSS error in EPUB

Epubcheck reports an error for a paragraph like: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/...
3
votes
2answers
1k views

The mimetype file has an extra field of length n. The use of the extra field feature of the ZIP format is not permitted for the mimetype file

I am using the C# library DotNetZip (Ionic.Zip and Ionic.Zlib) to generate an ebook from a directory. Directory looks like this: BookName | |___content/ | images/ | css/ | (html ...
1
vote
1answer
188 views

How can we validate an ePub3 file in Windows 8 system [duplicate]

We have validate an ePub files in the epubcheck-3.0.1 version in windows 8.1 system, and we received below error message in the epub files. could you please help for us? ERROR: 9088098774672.epub: ...
6
votes
1answer
514 views

Can an ePub 2.0 contain multiple .opf files?

I've received an ePub with the following structure: Abstract Container: META-INF/ container.xml varience.txt OEBPS/ content.opf Great Expectations.opf cover.html chapters/ ...
12
votes
6answers
8k views

epubcheck error: mimetype entry missing or not the first in archive

I have an ePub that returns "mimetype entry missing or not the first in archive" error in epubcheck, even though the mimetype file is correctly placed. How to fix that?
8
votes
3answers
5k views

How to run EpubCheck on Windows?

How to run EpubCheck on Windows and verify ePub erros without uploading to validator.idpf.org?