Mon, 11 Dec 2023 20:53:01 +0100 wenzelm clarified signature;
Mon, 11 Dec 2023 20:17:13 +0100 wenzelm minor performance tuning;
Mon, 11 Dec 2023 19:51:30 +0100 wenzelm more operations;
Mon, 11 Dec 2023 19:36:28 +0100 wenzelm revert 17fda85a33dc: renaming is not necessarily unique, e.g. [("x", "x"), ("x", "y")];
Mon, 11 Dec 2023 19:33:31 +0100 wenzelm misc tuning and clarification;
Mon, 11 Dec 2023 14:26:24 +0100 wenzelm minor performance tuning: prefer Symset.T;
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