[ID-4262670][ERROR(RSC-005) in EPUB Checker]InDesign 20.3 creates target attributes to every link in EPUB
The latest InDesign version (20.3) creates target="_blank" attributes to every link when exported as EPUB. Doesn't matter if the link contains URL or it's a link from a text anchor. The latest EPUB Check version (5.2.1) gives an error with every link that doesn't have href attribute which means every text anchor is invalid.
For example:
<h1 id="_idParaDest-1" class="Header-1"><a id="_idTextAnchor000" target="_blank"></a>Foreword</h1>
In EPUB Check this is an error:
ERROR(RSC-005): Error while parsing file: element "a" missing required attribute "href"
Changilainen
shared this idea
Fix for this issue is now available in the latest InDesign Release – InDesign 20.4 Release.
Please update to the latest InDesign Release via CCD app to get the fix.
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Adobe InDesign team
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LB commented
the prerelease build fixed my issue aswell... thank you
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MW
commented
Thank you - the PreRelease build(v20.4.0.025) fixed my issue with target="_blank" insertions.
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Clark Kenyon
commented
EPubs exported from latest update (version 20.3.1) will not validate on ePub Checker. Pages and pages of errors.
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Roland Dreger
commented
When exporting an EPub from an InDesign document with footnotes, redundant span elements with »target« attributes are inserted. (see screenshot)
Problem:
This is not valid XHTML and leads to errors when validating the EPub.EPUB (Reflowable) v2.0.1 and v3.0
InDesign 20.3.1
macOSTo reproduce the error:
1. Create empty document
2. Insert text frame
3. Insert footnote
3. Export document as EPub version 3.0.Discussion:
https://community.adobe.com/t5/indesign-discussions/epub-footnote-problem-indesign-20-3-1/td-p/15303231 -
Karen Fuller commented
I processed my ebook in InDesign 2025 the exact same way I did in InDesign 2024 and when I uploaded the epub to Kobo, the new version it gave me 28 Resource Failures. I went back to the old version of InDesign, reformatted the book exactly the same way and it uploaded fine. No errors. I've attached the epub critical error list from Kobo.
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MW
commented
Still present in 20.3.1 unfortunately.
As of now, only working with 20.2 or manually / automatically removing target="_blank" in the EPUB will let it pass epubcheck. -
Mike
commented
Is there a workaround for this error yet?
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Beto Cumming
commented
I had successfully created an EPUB, and I had to make a revision to it and upload it to the distributor again. I could not get the new EPUB to validate. I saw this post, and I reverted to an earlier version, and I exported the file again. This time I was successful.
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Kjetil Waren Johnsen commented
Every other update messes up the epub export ... please remember that some of us actually use this function!