Wed, 06 Nov 2024 16:07:30 +0100 wenzelm clarified signature;
Wed, 06 Nov 2024 15:52:31 +0100 wenzelm clarified signature, with subtle change of semantics: proper non-null result;
Wed, 06 Nov 2024 15:38:45 +0100 wenzelm clarified modules;
Wed, 06 Nov 2024 15:17:39 +0100 wenzelm more robust and uniform metric, still with special treatment motivated by jEdit (see also 0cdfce0bf956);
Wed, 06 Nov 2024 11:05:18 +0100 wenzelm misc tuning;
Fri, 08 Nov 2024 18:13:55 +0100 Fabian Huch try0: avoid mapping background theory -- should be handled by Context_Position visibility;
Thu, 31 Oct 2024 11:35:24 +0100 Fabian Huch try0: stop early if more subgoals are created;
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