Summary
- merged
- recovered stderr for PIDE batch-build, such as "Browser info at ...", "Document at ..." (see also 940195fbb282, 5469bacf5573, 5c4800f6b25a);
- more compact command_timings, as in former batch-build;
- unused;
- unused --- superseded by PIDE messages;
- more thorough cleanup, e.g. before ML_Heap.save;
- discontinued old batch-build functionality;
- tailored towards remaining essence
- merged
- tuned
- added theory Tree23_of_List
- more robust treatment of thm_names, with strict check after all theories are loaded;
- a few more lemmas