Re: [NTG-context] PDF/UA Support

20 Oct 2015


      Am 20.10.2015 um 09:12 schrieb Hans Hagen:
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On 10/20/2015 4:35 AM, Andrew Dunning wrote:
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On 19 Oct 2015, at 5:33 PM, Hans Hagen  wrote:
Indeed context supports tagged pdf already for a while, although only
acrobat can do something with it. Making it default is not really an
option as there is overhead involved (a bit more runtime and much
larger filesize) that makes no sense when proofing documents and in
workflows for print, but enabling is easy with
\setuptagging[state=start]
Thank you! Would it also be possible to have something to the effect
of `\setupbackend[format={pdf/ua:2014}` to set up the appropriate
options?
you have to discuss that with Peter Rolf as he is the one who keeps an
eye on all possible combinations of settings for pdf standards (and
checks with validators)
Will look into it (sorry, but I am kind of ignorant to new standards,
that I don't use myself) :D

I can only hope that the validator (@Luigi: thanks for the link) does a
good job, as my ancient Acrobat Pro 9 doesn't know the standard. It will
also take some time to gather the (free available) information, but I
don't see a general problem now. I'll report back in a few days.
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Btw, this feature relates to export to XML. Personally I wonder why
this UA is such a hype, probably because publishers are reluctant to
embed the document source in the pdf, which make much more sense when
alternative rendering is needed.
I agree that I would prefer to see PDFs given alongside good HTML, but
the reality is that this will not happen for some time to come, and in
the meantime PDFs remain inaccessible to anyone with a print
disability (and inconvenient for the rest of us). If we can improve
this situation, it is only right that we do so. If we can in the
process encourage wider adoption of ConTeXt, even better.
an interesting side track would be a set of alternative styles that can
be used: b/w, larger sizes, opendyslectic fonts, etc ... so, to kind of
set a standard of producing several versions of one document
Hans
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