[okular] [Bug 401570] Standardised annotations

[Tobias Deiminger]

https://bugs.kde.org/show_bug.cgi?id=401570

Tobias Deiminger <haxtibal at posteo.de> changed:

           What    |Removed                     |Added
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                 CC|                            |haxtibal at posteo.de

--- Comment #1 from Tobias Deiminger <haxtibal at posteo.de> ---
Okular does save annotations conforming to the PDF standard. The problem is
very likely that Google Drive can only show annotations with an appearance
stream saved into the AP dictionary. The poppler library used by Okular can't
save that particular piece of data.

PDF 1.7 standard marks AP as optional and expects readers (Google Drive in this
case) to be able to generate them on the fly. But the new PDF 2.0 standard
(released 2017) makes AP mandatory and expects composers (poppler in this case)
to save them. You see, it's not easy to tell if it's us or them. It doesn't
matter much anyway, we can't change others software, but we can change poppler.

We quite frequently receive bugs that originate from absence of AP. IMO saving
AP is one of the top missing features in poppler. If anybody is interested in
helping to implement it please contact me.

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