Fri, 05 Aug 2022 21:10:41 +0200 wenzelm misc tuning and clarification;
Fri, 05 Aug 2022 20:54:39 +0200 wenzelm clarified Document.Snapshot.all_exports: refer to material from this (virtual) session;
Fri, 05 Aug 2022 19:02:38 +0200 wenzelm clarified database query: refer to semantic theories;
Fri, 05 Aug 2022 18:45:49 +0200 wenzelm clarified signature: more operations;
Fri, 05 Aug 2022 17:16:37 +0200 wenzelm clarified signature: persistent theory_names in lexical order;
Fri, 05 Aug 2022 16:50:04 +0200 wenzelm proper session_databases for database_server: need to follow precise session_hierarchy;
Fri, 05 Aug 2022 16:40:06 +0200 wenzelm redundant;
Fri, 05 Aug 2022 14:44:47 +0200 wenzelm clarified signature: more robust close operation;
Fri, 05 Aug 2022 14:05:42 +0200 wenzelm more uniform exports: proper encoding of empty parents for Pure;
Fri, 05 Aug 2022 13:43:14 +0200 wenzelm clarified signature: more uniform treatment of empty exports;
Fri, 05 Aug 2022 13:34:47 +0200 wenzelm clarified session name: treat PIDE session as Sessions.DRAFT with imports from other sessions;
Fri, 05 Aug 2022 13:23:52 +0200 wenzelm more robust build_hierarchy: support Resources.empty / Sessions.Structure.empty (required for Build_Job.print_log);
Thu, 04 Aug 2022 22:15:50 +0200 wenzelm clarified context for retrieval: more explicit types, with optional close() operation;
Thu, 04 Aug 2022 17:14:56 +0200 wenzelm tuned;
Thu, 04 Aug 2022 17:08:35 +0200 wenzelm unused;
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