more robust scheduler shutdown, notably for spurious crashes;

enforce pide_session to see if all isabelle_cronjob tasks work smoothly with it;

proper pretty printing for latex output, notably for pide_session=true…

clarified name to avoid duplication (no distinction of data on host =…

clarified names;

more errors;

much faster proofs (cf. Isabelle/bad75618fb82);

follow Phabricator update 2020 Week 27;

tuned;

unused;

clarified errors: avoid hiding of import_errors/dir_errors by their…

clarified signature;

clarified errors: avoid accidental import from other session that happens to be…

clarified order --- proper sorting of requirements;

obsolete (see 9cde8c4ea5a5);

tuned --- based on hints by IntelliJ;

tuned signature;

updated to polyml-5.8.1 (official release);

subtle change of Theory_Data extend/merge semantics due to Theory.join_theory;

data extend is obsolete and should be identity;

clarified -- avoid non-standard extend/merge;

clarified -- avoid non-standard extend/merge;

tuned -- avoid non-standard extend;

proper session imports;

clarified -- avoid non-standard extend;

tuned -- avoid non-standard extend/merge;

prefer conservative extend/merge of theory naming;

support native PID for ML process;

merged

proper import sessions;

more thorough extend/merge (for Theory.join_theory);

clarified theory data: more robust merge;

more thorough extend/merge, notably for master_dir across Theory.join_theory (e.

more robust: avoid potential problems with encoding of directory name;

more thorough extend/merge (for Theory.join_theory);

more thorough extend/merge (for Theory.join_theory);

more robust wrt. experimental changes in Poly/ML;

more robust: handle unavailable statistics;

merged

clarified user counters: expose tasks to external monitor;

proper platform path for Windows;

clarified signature;

support for monitoring of external ML process;

clarified signature;

more robust;

support for monitoring of external ML process;

clarified modules: ML_Statistics within bootstrap environment;

misc tuning and modernization;

clarified examples;

more realistic timeout: 20min CPU time;

tuned whitespace;

clarified message --- as in former ML version (see 940195fbb282);

clarified signature;

clarified messages: avoid duplicate Timing;

clarified messages;

tuned;

clarified signature;

more accurate message;

avoid duplicate Timing messages (see also 5c4800f6b25a);

tuned;

clarified signature;

clarified inlined protocol messages;

removed unused property;

proper session Timing for build_history log file (see 5c4800f6b25a);

clarified signature;

more robust, notably for isabelle_cronjob;

more robust build_session protocol: allow prover process to terminate/crash…

updated to polyml-5.8.1-20200708: recent repository version for testing;

more robust protocol for "Timing ..." messages, notably for pide_session=true;

no pide_session on macos: avoid odd "hang" of remote_build_history;

support generated preferences, i.e. non-strict system options;

tuned whitespace;

clarified signature;

use less memory on old hardware;

clarified log message (more uniform);

clarified options --- potentially more robust;

tuned message;

clarified signature;

more CONTRIBUTORS;

more uniform URL (see 60b5a4731695);

clarified use of memory: prefer share tree structures over fresh strings;

more Java heap space (see 2d658beb815b);

clarified NEWS;

enable pide_session by default (again), with extra JVM heap for AFP tests (see…

discontinued old AFP test: ancient hardware with insufficient resources;

tuned output;

merged

share cache for parallel sessions;

clarified signature;

more caching, notably for build/pide_session;

removed pointless pide_exports: unused during "build_session" process…

tuned --- avoid error in IntelliJ IDEA;

merged

back to parallel compression: full AFP build does require 16GB Java heap…

back to pide_session=false for now, requires too many JVM resources (reverting…

clarified signature;