[dev-context] two proposals for attachments in PDF/A-3

Pablo Rodriguez oinos at gmx.es
Mon Mar 25 20:52:32 CET 2019

On 3/25/19 11:23 AM, Hans Hagen wrote:
> On 3/24/2019 6:30 PM, Pablo Rodriguez wrote:
>> [...]
>> If you allow me a suggestion, maybe it would be useful to have two new
>> options in the \setupattachment command:
>>    relationship  =  source data alternative supplement unspecified
>>    association   =  document page
>> The default values could be document and unspecified. The user should
>> know what to do when changing these defaults.
>> Of course, the /AF entry can be placed in other PDF objects, but
>> document and page are enough options to start with.
> hm, these keys look like rubish to me, do they really serve a purpose?

They are part of the PDF/A-3 and also for the PDF-2.0 specification.

In PDF/A-3, they are mandatory for embedded files. (I don’t know whether
they are optional in PDF-2.0, but I guess they are.)


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