Hi everyone,
in my quest to generate tagged pdf's that meet nowaday's accessibility requirements (it seems to me that tags are the major hurdle when using tex), I came around context.
There is a very interesting article on how to generate tagged pdf's with context mkiv.
http://www.tug.org/TUGboat/tb31-3/tb99hagen.pdf
A quick sample run of the examples shown in the above pdf with context however doesn't yield a nice result. Checking with the pdf accessibility checker