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Reference/Note tags

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From: Alan O'Flanagan
Date: Apr 10, 2025 2:27AM

Hi Every,
I'm new to accessibility and currently working on making PDFs UA-compliant. While I've managed to resolve most issues, I've now encountered a situation where the information seems to contradict itself. Specifically, I'm trying to create an internal "Reference" tag and a corresponding "Note" tag.
I attempted the following structure, but the software I'm using indicates that the <Lbl> tag should not be nested within a <Reference> tag:
<Reference> {
<Lbl> {1)}
}
<Note> {
<Lbl> {1)}
<P> {The first idea is to understand footnotes}
}
For reference, I've been consulting documentation from ISO-TS-32005-2023.pdf, ISO-14289-2-2024.pdf, and the Tagged PDF Best Practices Guide from the PDF Association. From what I understand, the reading order should place the note immediately after the reference.
Any insight you could provide would be greatly appreciated.
Best regards,
Alan