On 4/8/2025 7:31 PM, Pablo Rodriguez via ntg-context wrote:
On 4/7/25 22:16, Hans Hagen wrote:
On 4/4/2025 9:09 PM, Pablo Rodriguez via ntg-context wrote:
[...]
Hans, I’m afraid this is the way to go. If my writting isn’t clear, let
me know.
not sure what you mean: you either tag version 1 or you tag version 2;
Well, I tried to UA-2, but all output intents (since we have no PDF/A-4)
are for PDF-1.x.
So I needed a profile and I loaded PDF/A-3a (which is the newest we have).
BTW, from what Ulrike said I understood (as per RFC 2119, “should”
indicates recomendation and not obligation), PDF/UA-2 should use
PDF/A-4, but it didn’t have to.
After checking publication dates, I’m not sure whether PDF/UA-2 can only
use PDF/A-4.
order matters so don't enable tagging for 2 and then choose some version
1 related format (maybe i can check someplace if users mix up) but we
tested and got validated documents from vera .. unless of course the
standard changed again (vera also changes and there are also differences
between the used parsers)
Please, add a check (and a correction), so that users can forget about
loading order.
it's not something i want to waste time on continuously ... just an
occasional catch up with changes .. really it's not the complication but
the mess that determines pace here
I want to waste as little from your time as possible with this.
That being said, I’m afraid that the accessibility directive includes
the possibility of sanctions for non-compliant services (ebooks are
considered services, if I’m not wrong).
Not sure (I’m not a lawyer and this is no legal advice) whether free
services may be liable for publishing unaccessible documents, but this
is the main reason why accessibility is important in ConTeXt.
These standards are all about combinations of features permitted and
'tags' are 'just a feature' and have been present for a long time (used
to store info for pdf editors for instance). Tags can also serve other
purposes like when used for providing structure (that then can play soem
role in accessibility).
So, in principle one can choose some A (rgb workflows), X (cmyk
workflows) or E standard and either or not tagging. The A4 are the
latest and (of course) iso protected but we're trying to get hold of the
rip-off.
Hans
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Hans Hagen | PRAGMA ADE
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