[Poppler-bugs] [Bug 99167] do not create duplicates of the same objects

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99167

--- Comment #1 from Thomas Freitag <Thomas.Freitag at alfa.de> ---
You know that the fonts are identical! But if You provide me a good algorithm
which compares two embedded fonts and returns if they are identical or not,
i.e.

- the encoding is the same
- all glyphs needed for both usages of the fonts are included
- all glyphs have the same character width, height and looks the same

and convince me that your algorithm works in all use cases, I will think about
to provide a patch for pdfunite.

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