2/18/2023 0 Comments Could not start the epub checkerSo the only change is to make the ePub valid – there is really no change in the way the ePub is read or displayed on various devices. What should I put here as a work-around to make the ePub valid? Note that the ePubs I now have that validate correctly against the old standard still work fine as far as being able to be read. Not being really familiar with html and relying on InDesign to produce my ePubs, I don't know what to put here. So to fix this I would have to add an li child between and. Note that I'm using the most current version of InDesign ( 2019 v 10.0.1), and that the ePubs I'm exporting out of InDesign are Fixed Layout, so setting toc titles is not an option in the export dialog. The problem is, that InDesign is exporting an empty TOC with an empty element if you do not set toc titles properly before exporting. so InDesign is not producing ePubs that conform to the current standard. So this is be intention and it seems you have some empty elements with no children in your toc.xhtml which is not valid anymore. > fixes nav doc validation to be more faithful to the spec 4.0.2).Ĭore developers made an update to the TOC schema with PR #763 ( There has been a minor update as you can see when having a look at the version numbers (4.1.1 vs. This comes from the underlaying validation engine of the official EPUBCheck library. I contacted the developer of ePub Checker and he said: Leaving this empty is apparently no longer valid using the 4.1.1 ePub Checker library, but used to be OK with the 4.0.2 library. The error returned is in toc.xhtml: Error while parsing file: element 'ol' incomplete missing required element 'li'. Here are screen shots of the v4.0.2 and v4.1.1 check results: I just upgraded ePub Checker to v4.1.1 and now all my ePubs that had no errors before with v4.0.2 now generate an error. Initial EPUBCheck development was largely done at Adobe Systems.I'm using InDesign to make Fixed Layout ePubs. Most of the EPUBCheck functionality comes from the schema validation tool Jing and schemas that were developed by IDPF and DAISY. *jar files and packages to target/ folder. To build epubcheck from the sources you need Java Development Kit (JDK) 1.7 or above and Apache Maven 3.0 or above installed. To subscribe to the mailing list, send an email with subject subscribe to To participate in the discussion, simply send an email to archives of discussions prior to October 2017 are stored at the old EPUBCheck Google Group. Technical discussions are held on our public mailing list. Documentationĭocumentation on how to use EPUBCheck, to contribute to the project or to translate messages is available on the EPUBCheck wiki. EPUB 3 publications are checked against the EPUB 3.2 family of specifications. Please help us fund and support EPUBCheck, and join the list of donators! DownloadsĬheck the releases page to get the latest distribution.ĮPUBCheck 4.2.6 is the latest production-ready release, to be used to validate both EPUB 2 and 3 files. We need to make sure that the resources are adequate to both update the tool and provide for its continued maintenance over the next two years EPUBCheck is a tool to validate the conformance of EPUB publications against the EPUB specifications.ĮPUBCheck can be run as a standalone command-line tool or used as a Java library.ĮPUBCheck is open source software, maintained by the DAISY Consortium on behalf of the W3C.įinancial support is critical to the development of EPUBCheck, the tool we all use to validate EPUB files.
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