simplified make_option/dest_option; added make_variant/dest_variant -- usual representation of datatypes;

explicit Document.Node.Header, with master_dir and thy_name; imitate ML path operations more closely;

explicit indication of type Symbol.Symbol;

simplified Symbol based on lazy Symbol.Interpretation -- reduced odd "functorial style"; tuned implicit build/init messages;

merged

make SML/NJ happier

make SML/NJ happy + tuning

moved ATP dependencies to HOL-Plain, where they belong

better setup for experimental "z3_atp"

64bit versions of some mira configurations

removed unused mira configuration

merged

tuning options to avoid spurious isabelle test failures

clarified record syntax: fieldext excludes the "more" pseudo-field (unlike 2f885b7e5ba7), so that errors like (| x = a, more = b |) are reported less confusingly;

prefer Synchronized.var;

tuned errors; more direct Name.uu_ for dummy abstractions;

record package: proper configuration options;

just one copy of split_args; tuned error message;

merged

rename lemma Infinite_Product_Measure.sigma_sets_subseteq, it hides Sigma_Algebra.sigma_sets_subseteq

improved translation of lambdas in THF

added generation of lambdas in THF

add support for lambdas in TPTP THF generator + killed an unsound type encoding (because the monotonicity calculus assumes first-order)

simplified Symbol.iterator: produce strings, which are mostly preallocated; eliminated Symbol.CharSequence complications;

tuned comment (cf. e9f26e66692d);

Thy_Info.dependencies: ignore already loaded theories, according to initial prover session status;

theory name needs to conform to Path syntax;

hard-wired print mode "xsymbols" increases chance that "iff" in HOL will print symbolic arrow;

prefer space_explode/split_lines as in Isabelle/ML;

Path.split convenience;