[okular] [Bug 483914] When printing, selecting a manually-typed page number or range of pages causes nothing to be printed

[kolAflash]

https://bugs.kde.org/show_bug.cgi?id=483914

kolAflash <kolAflash at kolahilft.de> changed:

           What    |Removed                     |Added
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                 CC|                            |kolAflash at kolahilft.de

--- Comment #7 from kolAflash <kolAflash at kolahilft.de> ---
I observe very similar behavior in Okular, where often a page is missed. And I
think it's probably the same bug, so I add it here.

.

The behavior is quite irregular, but it's deterministic. Some examples:

print page 1: prints page 1

print page 2: prints no pages

printing page 2-3 or 2,3: prints page 3

printing page 2-4 or 2,3,4: prints pages 3 + 4

printing page 3-4 or 3,4: prints no pages

.

Used for testing:
https://files.kde.org/neon/images/unstable/20250608-1147/neon-unstable-20250608-1147.iso
KDE-6.4.80, Okular-25.04
apt update; apt install printer-driver-cups-pdf
Printer name in Okular printing UI: PDF
It's reproducible with all my real printers, like an "HP DeskJet 1000 j110".
But this one's the easiest for testing.
Only difference between cups-pdf and a real printer is, that when a real prints
just prints nothing (0 pages), then cups-pdf will generate a blank page.

.

The KDE internal PDF printer can't be used for testing, because it only prints
the whole documents.
bug 436388: Printing page ranges doesn't work with "Print to File (PDF)"

Maybe related:
bug 427241: page number mapped wrong

Workaround:
Use another PDF viewer like Gnome's Document Viewer "Evince". This works fine
on the same system, which is another indicator that this is really a KDE bug.

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