[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
AdminSanyam Talwar
(Senior Lead Software Engineer, Adobe InDesign)
responded
The fix for this issue is available in the InDesign PreRelease build(v20.4.0.025) and above.
Please check if the issue is now resolved.
Download/Update the latest InDesign PreRelease build in Creative Cloud under the “Prerelease” category(Refer to “Prerelease_CreativeCloud.png” for reference)
Please apply to the InDesign PreRelease in case you don’t have access to the InDesign PreRelease build – https://www.adobeprerelease.com/beta/C6DFA254-C40C-4EEB-8F6D-F4AEDA2E6171
If you still encounter any issues, please drop a mail to sharewithID@adobe.com.
—
Adobe InDesign team
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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!