(In reply to Andre Guerreiro from comment #97)
> Quoting from ISO 32000-1 section 12.8.1:
> "This range should be the entire file, including the signature dictionary
> but excluding the signature value itself (the Contents entry). Other ranges
> may be used but since they do not check for all changes to the document,
> their use is not recommended."
This advice is for PDF producers. As a PDF consumer we should accept PDFs that don't follow this advice.
(In reply to Andre Guerreiro from comment #97)
> Quoting from ISO 32000-1 section 12.8.1:
> "This range should be the entire file, including the signature dictionary
> but excluding the signature value itself (the Contents entry). Other ranges
> may be used but since they do not check for all changes to the document,
> their use is not recommended."
This advice is for PDF producers. As a PDF consumer we should accept PDFs that don't follow this advice.
https:/ /en.wikipedia. org/wiki/ Robustness_ principle