Added tag Isabelle2020-RC5 for changeset 8ed68b2aeba1

more robust: notably for sledgehammer with 'using' and prover=cvc4;

NEWS;

more careful handling of interrupts, notably for Isabelle/jEdit Scala Console;

clarified signature: more uniform treatment of stopped/interrupted state;

proper asynchronous GUI interaction for somewhat heavy JEdit_Sessions.session_build check;

tuned signature --- avoid confusion with init_view(buffer: Buffer, text_area: JEditTextArea);

merged

more automation and clarification

merged

removed more applys

merged;

more robust interrupts;

tuned message;

tuned;

NEWS;

tuned;

more robust interrupt handling;

more robust kill: not always running on Isabelle_Thread (e.g. POSIX_Interrupt handler);

clarified signature;

clarified signature;

more uniform and Java-conformant: change of handler is non-blocking and interrupts should not be exposed prematurely (reverting 220d19f3e074);

terminate faster;

tuned;

tuned;

clarified interrupt handling;

clarified modules;

tuned;

misc tuning and clarification;

more general interrupt_handler, with some cascading;

clarified signature;

a few more applys

fixed a broken frac_le proof

fixed more nasty proofs

merged

Tidied up more ancient, horrible proofs. Liberalised frac_le

clarified signature: more uniform ML vs. Scala;

clarified names;

clarified names;

proper use of flag;

clarified signature;

tuned names;

finally expose interrupt, similar to ML;

Standard_Thread for isabelle command-line tools;

tuned -- Command_Line.tool is already part of Isabelle_Tool;

clarified signature;

clarified signature;

thread pool with Standard_Thread workers; tuned signature;

clarified signature;

support for uninterruptible execution;

tuned -- prefer Config.T over Data;

proper "editor_tracing_messages=0" as in "isabelle dump";

tuned;

clarified build_options vs. job options;

more official handling of protocol messages, including export;

less redundant markup reports;

more accurate context position reports;

clarified signature;

clarified signature;

tuned;

clarified signature;

tuned signature;

proper treatment of startup errors, notably for Pure ROOT.ML;

proper treatment of protocol exceptions and prover termination: avoid session.stop while saving image;

merged

Added tag Isabelle2020-RC4 for changeset 1f3d9a9dd42a

more robust, notably wrt. interrupts;

merged

more NEWS;

clarified messages: indicate termination explicitly;

avoid vacous type variable, due to "potentially redundant" shyps in Thm.unconstrainT;

Added tag Isabelle2020-RC3 for changeset 7fe1a344404a

updated to current cygwin-20200323, after 3.1.4-1 from 19-Feb-2020;

avoid jdk-11.0.6+10: it shows problem "S8217731: Font rendering and glyph spacing changed from jdk-8 to jdk-11" https://bugs.openjdk.java.net/browse/JDK-8217731 even though the changelog claims to have resolved this;

clarified signature: more direct Isabelle_Process.EXIT;

proper arguments of protocol function;

merged

more robust: process stdout on Windows may contain CR;

clarified signature; more inlined protocol messages;

prefer system option: easier to make it default;

support multiple sessions, notably for "isabelle build -P -j2";

pretty formatting as in Isabelle/ML;

output prover messages;

clarified signature;

clarified signature: more robust;

proper parent base;

traditional print_mode for batch build;

proper support for "isabelle build -P Pure";

clarified signature: more robust bootstrap base;

proper startup for Pure: its use_prelude produces stdout before stderr protocol init;

proper context for loading Pure;

clarified signature of ML_Process vs. Isabelle_Process: proper support for "isabelle build -P -b";

close socket explicitly (idempotent);

more robust message_context and shutdown, e.g. after errors in protocol loop (see also 3f02bc5a5a03);

simplified code and proofs

automated proof

merged

cleaned proofs

clarified signature;

more accurate treatment of errors;

clarified modules: global quasi-scope for markers;

redunant simp rule

merged

more ugly old proofs

merged

tuned;

clarified modules;

clarified signature: more explicit type Protocol_Message.Marker;

tuned signature -- follow Scala;

tuned;

more explicit type Protocol_Message.Marker; tuned;

clarified protocol messages: explicitly use physical_writeln, always encode_lines;

tuned;

tuned whitespace;

more tidying up of old apply-proofs

merged

tuned;

tuned;

tuned;

eliminated pointless flag (see also 6533ceee4cd7);