Hi Pablo

Many thanks. That is exactly what I need, ie. to deliver the source code embedded in the PDF. 

attachment works like a charm

Rik pointed me — additionally — into the direction of being PDF/A compliant. PDF/A is possible with 
setupbackend\setupbackend[format={pdf/a-3a}]
but needs fixing with acrobat-preflight to pass validation (in Acrobat and veraPDF). Just in case someone needs to archive longterm. 
https://en.m.wikipedia.org/wiki/PDF/A

Kind regards
Heinrich

Sent from my iPhone

On 20. Apr 2022, at 16:46, Pablo Rodriguez via ntg-context <ntg-context@ntg.nl> wrote:

On 4/19/22 16:47, Heinrich Paeßens via ntg-context wrote:
Hi there

just a quick question: 

Is there a command or package to embed the source-file (*.tex) into the
resulting pdf-file,

Hi Heinrich,

I think this may be what you need:

 \setupinteraction[state=start]
 \attachment[file=\jobname.tex]
 \starttext
 \input zapf
 \stoptext

just like in LaTeX using package »embedall«

I think it is way better that you explain what you want to achieve.

I’d say that not all ConTeXt users are also proficient in LaTeX. In my
case, I haven’t use it for more than a decade.

I hope it helps,

Pablo


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