more Z_Notation symbols, as proposed by Simon Foster;

more accurate spacing, according to results seen in isar-ref (Appendix B), using 12pt or 10pt;

clarified order for presentation in isar-ref (Appendix B);

prefer explicit \<Zproject> (with its own Unicode codepoint);

more Isabelle symbol definitions for Z Notation, based on https://github.com/isabelle-utp/Z_Toolkit 998c9f7880d3 by Simon Foster; NB: no bold version of 0x2900 due to fontforge crash "Internal Error: Some fragments did not join";

tuned message;

proper directory of settings file; tuned;

tuned lemma

added lemma

tuned signature;

tuned signature (again);

tuned --- following hints by IntelliJ;

tuned comments;

proper shell quote;

removed spurious references to perl / libwww-perl;

invoke remote ATP via SystemOnTPTP.run_systems from Isabelle/Scala (without perl); clarified inlined command-line; clarified errors: exception ERROR becomes UnknownError (it could stem from Scala function);

clarified signature: refer to file name instead of file content;

compile;

clarified signature: more explicit types;

support for SystemOnTPTP.run_system, with strict error following scripts/remote_atp;

clarified signature;

elapsed time to download content (and for the server to provide content);

more direct elapsed run_time via bash_process wrapper (via Scala and C);

merged

use SystemOnTPTP.list_systems from Isabelle/Scala, with dynamic URL option and more elementary error messages;

clarified signature: let Sledgehammer handle SystemOnTPTP comments;

clarified signature: url may change dynamically and is part of result;

clarified error;