 BTK
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We’ve got an extremely complex illustrated cover and right now the tentative alt text runs about 1800 characters. It has sparked a discussion about brevity vs completeness and no solutions in sight. It also turns out we will have to produce a >300 character version for the website since there are hard limits there.
The question however, is should a cover image use a Long Description? There really isn’t a way to put in a link. I suppose we could go with a “hidden” aside. Any suggestions for best practices vis a vis covers?
August 18, 2023 at 1:50 pm
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 APLN Moderator
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One method can be to use aria-describedby to add a longer description for the cover. This method is used often in fixed-layout EPUBs for graphic novels or picture books.
An example is:
<img alt=”Cover: Book Title by Book Author.” src=”images/cover.jpg” epub:type=”cover” role=”doc-cover” aria-describedby=”cover-alt”/>
<div class=”hidden” id=”cover-alt”>Long description of cover.</div>
More info on aria-describedby: http://kb.daisy.org/publishing/docs/html/hidden.html#aria-describedby
August 22, 2023 at 5:59 pm
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