Wed, 28 Jun 2023 11:33:11 +0200 wenzelm clarified signature: more operations and options;
Tue, 27 Jun 2023 15:10:47 +0200 wenzelm tuned;
Tue, 27 Jun 2023 14:50:48 +0200 wenzelm clarified signature;
Tue, 27 Jun 2023 11:39:02 +0200 wenzelm clarified signature;
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