Summary
- override default of Isabelle_Process, notably for PIDE export of "document.tex";
- tuned queries;
- support for build_database_server (PostgreSQL); clarified signature;
- clarified store.clean_output: cleanup user_output_dir even in system_mode;
- clarified store directories; discontinued settings ISABELLE_PATH, ISABELLE_OUTPUT;
- tuned;
- clarified handling of output heap;
- tuned;
- added lemmas