[magick-users] How to use the PNG metainformations?

[Gerald Kaeding]

Hallo together,

i like to save some special informations (like author, place and so on) in the metainformation of the PNG file. But how? I'm using magick++.  Unfortunately I haven't found any information about this topic in the mailing list or the imagemagick website. Maybe is this the answer (their is no way to edit the metainformations)?

Greetings
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