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Semantics for Indicating Accessible Version of Files

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From: Randy Pearson
Date: Jan 27, 2009 9:30AM

Hello,

We are working with a website that has myriad old PDF files that are scanned
PDF images, and obviously not accessible. Over time, we will be adding
accessible alternatives, but also keeping the originals.

Our question is, what is the proper semantic technique for indicating that
one of these files is the accessible version of the other? The site pages
currently list files in an HTML table, with one row per file (columns for
the hyperlinked file, file size, etc.). We can add the accessible file in a
new row right after the scanned file, but how should we indicate the
relationship?

Thanks in advance.

- Randy