A 'rel' issue with 'Nu Html Checker'

Dear Support

 

In updating my script to HTML 5:  have an issue with your 'Nu Html Checker'

 

After many years of validating on using https://validator.w3.org/ with no
reported errors I am now obtaining errors.

 

My script calls a fancyapps.com slideshow for which I have a license.

 

You validator identifies an error in the following line(s) of script:

<a rel="gallery" class="fancybox" href="images/1.jpg"><img src="image.jpg"
></a>

 

It reports:

Bad value gallery for attribute rel on element a: The string gallery is not
a registered keyword.

 

Is this in fact an error with the validator or where can I find the
acceptable 'registered keyword' to replace 'gallery'

 

( stackoverflow.com seems to report a similar query at
https://stackoverflow.com/questions/22616104/link-rel-shortcut-icon-validati
on-error-despite-being-valid ) 

 

Kind Regards,

 

Geoff Porter

Lindisfarne Links

Holy Island

webservices@lindisfarne.org.uk <mailto:webservices@lindisfarne.org.uk> 

www.lindisfarne.org.uk <http://www.lindisfarne.org.uk/> 

 

 

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