enforce syntax of Scala 3;

things need to be ugly

merged

sorted as an abbreviation

mere abbreviation for logical alias

avoid unexpected output+behaviour when CDPATH is set

recover some Linux test, using old macbroy2 as i21of4 (Ubuntu 20.04);

avoid perl;

tuned signature --- following hints by IntelliJ IDEA;

ignore session build timeout, notably in AFP;

check timeout_ignored as in ML, before applying timeout_scale;

merged

proper build of required session images vs. build with Mirabelle presentation;

reactive "sledgehammer";

reactive "sledgehammer_filter": statically correct, but untested (no proof_file);

clarified command-line;

clarified signature; supporess empty results;

clarified signature;

clarified log content;

reimplemented Mirabelle as Isabelle/ML presentation hook + Isabelle/Scala tool, but sledgehammer is still inactive;

tuned;

unused;

unused (see 8ffc607c345d);

clarified signature: provide access to previous state;

clarified signature (see Scala version);

tuned signature;

avoid duplicate loading of ML file;

strict_sorted now an abbreviation

explicit type class operations for type-specific implementations

obsolete