isabelle: Graph

merged
2020-02-17, by wenzelm
proper sort constraints for strip_shyps, for sort relations used in minimization;
2020-02-17, by wenzelm
merged
2020-02-17, by paulson
a few new lemmas
2020-02-17, by paulson
tuned;
2020-02-17, by wenzelm
merged
2020-02-16, by nipkow
lemmas about "card A = 2"; prefer iff to implications
2020-02-16, by nipkow
NEWS;
2020-02-16, by wenzelm
proper sort constraints for strip_shyps, which implicitly performs type instantiation;
2020-02-16, by wenzelm
NEWS;
2020-02-15, by wenzelm
Added tag Isabelle2020-RC0 for changeset 21c0b3a9d2f8
2020-02-14, by wenzelm
added lemmas
2020-02-13, by nipkow
canonical approach towards lifting
2020-02-13, by haftmann
more instances
2020-02-11, by haftmann
tuned proof
2020-02-11, by haftmann
afford newer Mercurial version, just before odd problems in 4.0 and 4.1;
2020-02-12, by wenzelm
afford more logging (following defaults on Ubuntu);
2020-02-12, by wenzelm
updated for release;
2020-02-11, by wenzelm
tuned;
2020-02-11, by wenzelm
updated for release;
2020-02-11, by wenzelm
some lemmas about the lex ordering on lists, etc.
2020-02-11, by paulson
proper symbols;
2020-02-10, by wenzelm
NEWS;
2020-02-10, by wenzelm
recover from Unicode accident in 4abd07cd034f;
2020-02-10, by wenzelm
updated for release;
2020-02-10, by wenzelm
NEWS;
2020-02-10, by wenzelm
NEWS;
2020-02-10, by wenzelm
tuned;
2020-02-10, by wenzelm
tuned;
2020-02-10, by wenzelm
easy abstraction over pointwise bit operations
2020-02-09, by haftmann
more rules for natural deduction from inequalities
2020-02-09, by haftmann
rule concerning bit (push_bit ...)
2020-02-09, by haftmann
more lemmas
2020-02-09, by haftmann
allow to override repository versions at runtime;
2020-02-08, by wenzelm
follow Phabricator update 2020 Week 5;
2020-02-07, by wenzelm
simplified logical constructions
2020-02-05, by haftmann
simplified logical constructions
2020-02-05, by haftmann
more theorems
2020-02-03, by haftmann
Simplified, generalised version of Constructible due to E. Gunther, M. Pagano and P. Sánchez Terraf
2020-02-04, by paulson
tuned
2020-02-04, by nipkow
tuned
2020-02-03, by nipkow
added Interval_Tree.thy
2020-02-03, by nipkow
more specific class assumptions
2020-02-01, by haftmann
more theorems
2020-02-01, by haftmann
ignore generated dependency files (see 91d5a8255c98, fd5cd1daf6a9);
2020-01-28, by wenzelm
Tidied up some messy proofs
2020-01-28, by paulson
sketches of ideas still to come
2020-01-26, by haftmann
more theorems
2020-01-26, by haftmann
generalized
2020-01-26, by haftmann
tuned
2020-01-26, by haftmann
Two lemmas about nsets
2020-01-27, by paulson
A few lemmas connected with orderings
2020-01-27, by paulson
tuned
2020-01-22, by haftmann
tuned
2020-01-22, by haftmann
dropped dead code
2020-01-22, by haftmann
merged
2020-01-22, by nipkow
added lemma
2020-01-22, by nipkow
Removed multiplicativity assumption from normalization_semidom
2020-01-21, by Manuel Eberl
clarified file names;
2020-01-19, by wenzelm
clarified build_polyml_component: include IDE entry point for ML compiler;
2020-01-19, by wenzelm
merged
2020-01-19, by wenzelm
tuned spelling;
2020-01-17, by wenzelm
new examples of BNF lifting across quotients using a new theory of confluence,
2020-01-19, by traytel
Removed unnecessary and problematic trivial lemma from HOL-Algebra
2020-01-17, by Manuel Eberl
proper executable file;
2020-01-16, by wenzelm
more documentation: odd option for special situations;
2020-01-16, by wenzelm
tuned;
2020-01-16, by wenzelm
updated to sumatra_pdf-3.1.2-1: x86_64-windows;
2020-01-16, by wenzelm
updated to stack-2.1.3, stackage lts-13.19, ghc-8.6.4;
2020-01-16, by wenzelm
updated to opam-2.0.6;
2020-01-16, by wenzelm
updated to current cygwin, after 3.1.2-1 from 21-Dec-2019;
2020-01-16, by wenzelm
updated to jdk-11.0.6+10;
2020-01-15, by wenzelm
misc tuning, following hint by IntelliJ;
2020-01-15, by wenzelm
tuned;
2020-01-15, by wenzelm
tuned -- avoid deprecated constructors;
2020-01-15, by wenzelm
proper comparison of Option values, following hint by IntelliJ;
2020-01-15, by wenzelm
unused -- clone of Option.apply;
2020-01-15, by wenzelm
added "isabelle scala_project" to support e.g. IntelliJ IDEA;
2020-01-15, by wenzelm
unused;
2020-01-15, by wenzelm
more antiquotations;
2020-01-14, by wenzelm
tuned messages;
2020-01-13, by wenzelm
tuned;
2020-01-13, by wenzelm
clarified output channel;
2020-01-13, by wenzelm
clarified option -f: avoid accidental target_clean for proper release snapshot;
2020-01-13, by wenzelm
more robust;
2020-01-12, by wenzelm
updated to sqlite-jdbc-3.30.1;
2020-01-12, by wenzelm
updated to postgresql-42.2.9;
2020-01-12, by wenzelm
build in $ISABELLE_HOME;
2020-01-12, by wenzelm
build in $ISABELLE_HOME;
2020-01-12, by wenzelm
clarified fresh build;
2020-01-11, by wenzelm
tuned documentation;
2020-01-11, by wenzelm
tuned;
2020-01-11, by wenzelm
clarified script name;
2020-01-10, by wenzelm
prefer mercurial-2.8.2 for more robustness (i.e. the version used by the hosting service https://admin.phacility.com);
2020-01-10, by wenzelm
proper name;
2020-01-09, by wenzelm
more Isabelle fonts, notably for File Browser title in GTK L&F;
2020-01-09, by wenzelm
eliminated deprecated scala.collection.JavaConversions;
2020-01-09, by wenzelm
unused;
2020-01-09, by wenzelm
tuned -- more direct java.util.Map.of;
2020-01-09, by wenzelm
added lemma
2020-01-09, by nipkow
merged
2020-01-07, by traytel
eliminated one redundant proof obligation in lift_bnf for quotients
2020-01-07, by traytel
removed experimental option to SPASS
2020-01-07, by blanchet
alternative deletion in Red-Black trees
2020-01-07, by nipkow
generalized thm (as suggested by Christian Weinz)
2020-01-07, by nipkow
tunded
2020-01-07, by nipkow
tuned
2019-12-28, by nipkow
tuned
2019-12-28, by nipkow
more examples;
2019-12-27, by wenzelm
tuned
2019-12-27, by nipkow
tuned
2019-12-24, by nipkow
tuned;
2019-12-23, by wenzelm
NEWS;
2019-12-23, by wenzelm
updated platform situation: 32bit variants are marginal or absent;
2019-12-23, by wenzelm
repackage as csdp-6.1-1, with proper platform names;
2019-12-23, by wenzelm
proper File.platform_path for Windows;
2019-12-23, by wenzelm
updated csdp-6.1: Linux and Windows executables are as before, but macOS has been rebuilt for x86_64 (to accommodate Catalina);
2019-12-23, by wenzelm
updated linux_app-20191223: x86_64-linux;
2019-12-23, by wenzelm
tuned;
2019-12-22, by wenzelm
improved Markdown-like display in Phabricator;
2019-12-22, by wenzelm
improved Markdown-like display in Phabricator;
2019-12-22, by wenzelm
somewhat irrelevant -- defaults are OK;
2019-12-22, by wenzelm
obsolete;
2019-12-22, by wenzelm
clarified signature -- more operations;
2019-12-21, by wenzelm
clarified signature;
2019-12-21, by wenzelm
proper search with multiple "pages" of results;
2019-12-21, by wenzelm
tuned documentation;
2019-12-20, by wenzelm
tuned messages;
2019-12-20, by wenzelm
more robust;
2019-12-19, by wenzelm
tuned message;
2019-12-19, by wenzelm
NEWS;
2019-12-19, by wenzelm
more documentation;
2019-12-19, by wenzelm
tuned documentation;
2019-12-19, by wenzelm
more documentation;
2019-12-19, by wenzelm
added option -r: support more robust consolidation of local clones with varying names;
2019-12-19, by wenzelm
clarified backup;
2019-12-19, by wenzelm
removed somewhat pointless option -R: more careful inspection of hgrc is required in practice;
2019-12-19, by wenzelm
proper proof body context for Simplifier plugins (solvers, loopers, ...) -- avoid crash due to Subgoal.FOCUS (before e58bc223f46c);
2019-12-19, by wenzelm
more robust bound_fixes: external name does appear in "fixes" name space and could clash with direct fixes (e.g. via Subgoal.FOCUS within a global context);
2019-12-19, by wenzelm
tuned signature;
2019-12-19, by wenzelm
proper backup;
2019-12-18, by wenzelm
clarified signature;
2019-12-18, by wenzelm
more ambitious edit_hgrc;
2019-12-18, by wenzelm
added command hg_setup: setup remote vs. local Mercurial repository;
2019-12-18, by wenzelm
clarified signature;
2019-12-18, by wenzelm
clarified signature;
2019-12-18, by wenzelm
tuned;
2019-12-18, by wenzelm
clarified signature;
2019-12-18, by wenzelm
tuned;
2019-12-18, by wenzelm
more repository information;
2019-12-18, by wenzelm
more permissive string fields;
2019-12-18, by wenzelm
tuned proof (by Thomas Sewell)
2019-12-18, by nipkow
tuned;
2019-12-17, by wenzelm
clarified signature: error_code may contain low-level message instead of proper "ERR-" code;
2019-12-17, by wenzelm
clarified signature;
2019-12-17, by wenzelm
tuned signature;
2019-12-17, by wenzelm
support for conduit API;
2019-12-17, by wenzelm
tuned whitespace;
2019-12-17, by wenzelm
more robust: support /usr/local/bin/hg;
2019-12-17, by wenzelm
tuned documentation;
2019-12-17, by wenzelm
eliminated pointless option -T: it merely tests ssh config of root, which is not required later;
2019-12-17, by wenzelm
slicker proofs (used in CPP paper)
2019-12-17, by nipkow
tuned NEWS;
2019-12-16, by wenzelm
more rebust setup for Subversion -- assuming that diffusion.ssh-port is only set in phabricator/conf/local/local.json, not in the database;
2019-12-16, by wenzelm
tuned;
2019-12-16, by wenzelm
tuned documentation;
2019-12-16, by wenzelm
more checks for release;
2019-12-16, by wenzelm
more packages: required for svn;
2019-12-16, by wenzelm
more robust setup: avoid blind shot at "the latest" version;
2019-12-16, by wenzelm
more documentation;
2019-12-16, by wenzelm
proper default;
2019-12-16, by wenzelm
more robust: avoid accidental use of stdin;
2019-12-16, by wenzelm
support for Phabricator upgrade;
2019-12-16, by wenzelm
tuned signature;
2019-12-16, by wenzelm
tuned message;
2019-12-14, by wenzelm
avoid odd (harmless) problem with Mercurial 4.5.3 provided by Ubuntu 18.04 on first push: "couldn't write revision branch cache names";
2019-12-14, by wenzelm
more documentation;
2019-12-12, by wenzelm
more documentation;
2019-12-12, by wenzelm
proper support for multiple installations;
2019-12-12, by wenzelm
clarified "isabelle phabricator -l": avoid surprise with non-existent default installation;
2019-12-12, by wenzelm
tuned index.html;
2019-12-11, by wenzelm
more robust;
2019-12-11, by wenzelm
more robust;
2019-12-11, by wenzelm
clarified website: redirect to isabelle-dev Phabricator Overview;
2019-12-11, by wenzelm
more documentation;
2019-12-11, by wenzelm
tuned;
2019-12-11, by wenzelm
support database dump;
2019-12-11, by wenzelm
proper check of Linux version;
2019-12-10, by wenzelm
tuned;
2019-12-10, by wenzelm
proper mysql user setup: avoid superuser powers in production;
2019-12-10, by wenzelm
support for pwgen;
2019-12-10, by wenzelm
NEWS, CONTRIBUTORS, and documentation
2019-12-10, by traytel
an extensive example for lift_bnf across quotients
2019-12-10, by traytel
extension of lift_bnf to support quotient types
2019-12-10, by traytel
unfold intermediate (internal) pred definitions
2019-12-10, by traytel
corrected some confusing terminology / notation
2019-12-09, by paulson
Ramsey with multiple colours and arbitrary exponents
2019-12-09, by paulson
a few new and tidier proofs (mostly about finite sets)
2019-12-09, by paulson
clarified signature: store full theory name;
2019-12-09, by wenzelm
merged
2019-12-08, by nipkow
moved lemmas
2019-12-08, by nipkow
merged
2019-12-06, by wenzelm
suppress record types: not working properly;
2019-12-06, by wenzelm
removed junk;
2019-12-06, by wenzelm
discontinued somewhat pointless options;
2019-12-06, by wenzelm
tuned signature;
2019-12-06, by wenzelm
clarified signature;
2019-12-06, by wenzelm
export datatypes;
2019-12-06, by wenzelm
clarified modules;
2019-12-06, by wenzelm
misc tuning and clarification: proper check of datatype kind;
2019-12-06, by wenzelm
clarified modules;
2019-12-06, by wenzelm
cleaning
2019-12-06, by nipkow
tuned
2019-12-06, by nipkow
separated Affine theory from Convex
2019-12-05, by nipkow
merged
2019-12-05, by nipkow
tuned
2019-12-05, by nipkow
proper table data structure
2019-12-05, by haftmann
removed some vain declarations
2019-12-05, by haftmann
merged
2019-12-05, by nipkow
made Starlike independent of Abstract_Limits
2019-12-05, by nipkow
more direct accessors for simpset
2019-12-05, by haftmann
regular merge with no historization, in accordance with regular update
2019-12-04, by haftmann
moved starlike where it belongs
2019-12-04, by nipkow
merged
2019-12-04, by wenzelm
clarified messages streaming (again, amending 5ea3ed3c52b3): avoid too many small messages stacking up, e.g. when loading HOL-Analysis.Analysis.thy into Isabelle/jEdit;
2019-12-04, by wenzelm
moved segment lemmas where they belong
2019-12-04, by nipkow
merged
2019-12-04, by nipkow
moved lemmas
2019-12-04, by nipkow
merged
2019-12-04, by paulson
two new theorems
2019-12-04, by paulson
moved lemma
2019-12-04, by nipkow
made internal name generation in case expressions more robust
2019-12-03, by traytel
merged
2019-12-03, by wenzelm
clarified export of consts: recursion is accessible via spec_rules;
2019-12-03, by wenzelm
more operations;
2019-12-03, by wenzelm
Removed orphaned theory from HOL-Analysis
2019-12-03, by Manuel Eberl
merged
2019-12-03, by wenzelm
clarified position for spec rule: like entity;
2019-12-03, by wenzelm
clarified name: avoid clashes;
2019-12-02, by wenzelm
proper dynamic position of application context, e.g. relevant for 'global_interpretation';
2019-12-02, by wenzelm
proper treatment of variable names;
2019-12-02, by wenzelm
proper spec_rule name via naming/binding/Morphism.binding;
2019-12-02, by wenzelm
more informative spec rules;
2019-12-02, by wenzelm
more robust;
2019-12-02, by wenzelm
more informative export;
2019-12-02, by wenzelm
tuned signature -- following Export_Theory.Spec_Rule in Scala;
2019-12-02, by wenzelm
tuned comment;
2019-12-02, by wenzelm
clarified export of spec rules: more like locale;
2019-12-02, by wenzelm
formal position for spec rule (not significant for equality);
2019-12-01, by wenzelm
proper spec rules via resulting def_thm, e.g. relevant for "isabelle build -o export_theory";
2019-12-01, by wenzelm
proper spec rules via fun_lhs, e.g. relevant for "isabelle build -o export_theory";
2019-11-30, by wenzelm
tuned -- avoid confusion of fun_t with fun_lhs;
2019-11-30, by wenzelm
avoid shadowing of local bindings -- more maintainable;
2019-11-30, by wenzelm
export spec rules;
2019-11-30, by wenzelm
Reorganised HOL-Complex_Analysis
2019-12-02, by Manuel Eberl
split off metric spaces part of Function_Topology: subsequent theories Product_Topology, T1_Spaces, Lindelof_Spaces are purely topological
2019-12-02, by immler
merged
2019-12-02, by immler
tuned Analysis manual
2019-12-02, by immler
tuned Analysis manual
2019-12-02, by immler
more rules
2019-12-02, by haftmann
tuned material
2019-12-02, by haftmann
tuned manual
2019-12-02, by nipkow
Removed duplicate theorems from HOL-Analysis
2019-12-02, by Manuel Eberl
Flattened dependency tree of HOL-Analysis
2019-12-02, by Manuel Eberl
Merged
2019-12-02, by Manuel Eberl
Simplified Harmonic_Numbers
2019-12-01, by Manuel Eberl
Split off new HOL-Complex_Analysis session from HOL-Analysis
2019-11-30, by Manuel Eberl
merged
2019-12-01, by Wenda Li
tuned Analysis/Analysis;
2019-12-01, by Wenda Li
characterization of typical bit operations
2019-12-01, by haftmann
merged
2019-12-01, by Wenda Li
renamed Analysis/Winding_Numbers to Winding_Numbers_2; reorganised Analysis/Cauchy_Integral_Theorem by splitting it into Contour_Integration, Winding_Numbers,Cauchy_Integral_Theorem and Cauchy_Integral_Formula.
2019-12-01, by Wenda Li
transfer rule for bit operation
2019-12-01, by haftmann
characterization of singleton bit operation
2019-12-01, by haftmann
bit accessor and fundamental properties
2019-11-27, by haftmann
merged
2019-11-29, by wenzelm
more informative spec rules: optional name;
2019-11-29, by wenzelm
proper theory context, e.g. for Thm.transfer;
2019-11-29, by wenzelm
more structural integrity;
2019-11-28, by wenzelm
tuned
2019-11-29, by nipkow
reduced imports; deleted unusewd minor lemmas for that purpose
2019-11-29, by nipkow
tuned
2019-11-29, by nipkow
reduced imports and removed unused material
2019-11-29, by nipkow
tuned
2019-11-28, by nipkow
merged
2019-11-28, by nipkow
reduced imports
2019-11-28, by nipkow
Fixed a few messy proofs and adjusted inconsistent section headings
2019-11-28, by paulson
A more informative comment
2019-11-28, by paulson
Rearrangement of material in Complex_Analysis_Basics, which contained much that had nothing to do with complex analysis.
2019-11-26, by paulson
Remove diagnostic command 'print_dependencies'.
2019-11-26, by ballarin
support for output messages;
2019-11-25, by wenzelm
tuned;
2019-11-25, by wenzelm
tuned -- avoid deprecated constructors;
2019-11-25, by wenzelm
tuned signature;
2019-11-25, by wenzelm
avoid vacuous session Pure -- dump does not read_pure_theory;
2019-11-25, by wenzelm
updated to polyml-5.8.1-20191113 test version (Poly/ML 055f20cdc326);
2019-11-24, by wenzelm
clarified vacuous selection vs. Pure;
2019-11-24, by wenzelm
tuned signature;
2019-11-24, by wenzelm
tuned theory structure
2019-11-23, by haftmann
more robust: size varies due to different position information in "isabelle build" vs. "isabelle dump";
2019-11-23, by wenzelm
clarified signature;
2019-11-23, by wenzelm
tuned proofs;
2019-11-23, by wenzelm
clarified error: tmp file can be invalid in odd situations;
2019-11-23, by wenzelm
more robust: file length can be invalid in odd situations;
2019-11-23, by wenzelm
tuned;
2019-11-23, by wenzelm
tuned whitespace
2019-11-22, by haftmann
proper prefix syntax
2019-11-22, by haftmann
removed unused auxiliary lemmas
2019-11-22, by haftmann
tuned;
2019-11-21, by wenzelm
added document antiquotation @{system_option};
2019-11-21, by wenzelm
improved performance of session exports via bulk transactions;
2019-11-20, by wenzelm
tuned signature;
2019-11-20, by wenzelm
support for bulk operations: consume mailbox content in batches;
2019-11-20, by wenzelm
clarified signature -- more explicit types;
2019-11-20, by wenzelm
tuned signature -- more operations;
2019-11-19, by wenzelm
tuned
2019-11-18, by nipkow
tuned
2019-11-18, by nipkow
strengthened type class for bit operations
2019-11-17, by haftmann
tuned
2019-11-15, by nipkow
tuned
2019-11-15, by nipkow
more packages;
2019-11-14, by wenzelm
NEWS;
2019-11-14, by wenzelm
more examples;
2019-11-14, by wenzelm
more documentation;
2019-11-14, by wenzelm
misc tuning and clarification;
2019-11-14, by wenzelm
merged
2019-11-14, by wenzelm
tuned PHP setup;
2019-11-14, by wenzelm
clarified errors: PHP daemon can fail under odd circumstances;
2019-11-14, by wenzelm
more robust;
2019-11-14, by wenzelm
tuned message;
2019-11-14, by wenzelm
more sanity checks;
2019-11-14, by wenzelm
just one isabelle-phabricator-phd service, which manages all processes uniformly (NB: "bin/phd stop" affects all installations);
2019-11-14, by wenzelm
clarified signature: allow compound arg;
2019-11-14, by wenzelm
clarified signature;
2019-11-14, by wenzelm
merged
2019-11-14, by nipkow
tuned tags
2019-11-14, by nipkow
more portable;
2019-11-14, by wenzelm
updated to polyml-5.8.1-20191114: rebuilt on Windows with current msys2/mingw64;
2019-11-14, by wenzelm
updated MinGW installation: requires Cygwin from Isabelle2018 to avoid problems with address relocation;
2019-11-14, by wenzelm
tuned;
2019-11-14, by wenzelm
tuned;
2019-11-14, by wenzelm
clarified signature;
2019-11-14, by wenzelm
updated to polyml-5.8.1-20191113 test version (Poly/ML 67e87c763417);
2019-11-13, by wenzelm
more support for multiple daemons;
2019-11-13, by wenzelm
more robust: system ssh service is required for Phabricator ssh service;
2019-11-13, by wenzelm
removed obsolete material: already covered by documentation or tools;
2019-11-13, by wenzelm
configure SSH hosting via "isabelle phabricator_setup_ssh";
2019-11-13, by wenzelm
more robust;
2019-11-13, by wenzelm
clarified signature;
2019-11-13, by wenzelm
removed obsolete material -- already covered by "system" manual;
2019-11-12, by wenzelm
tuned;
2019-11-12, by wenzelm
merged
2019-11-12, by wenzelm
more documentation;
2019-11-12, by wenzelm
tuned;
2019-11-12, by wenzelm
more options;
2019-11-12, by wenzelm
clarified Console_Progress.echo: include empty lines as in other Progress instances, especially relevant for Progress.bash (e.g. "isabelle phabricator ./bin/config help");
2019-11-12, by wenzelm
documentation on Phabricator server administration;
2019-11-11, by wenzelm
tuned message;
2019-11-11, by wenzelm
added "isabelle phabricator";
2019-11-11, by wenzelm
New library material from the AFP entry ZFC_in_HOL
2019-11-12, by paulson
tuned order between theories
2019-11-11, by haftmann
bit shifts as class operations
2019-11-09, by haftmann
new lemma
2019-11-09, by haftmann
tuned comments;
2019-11-08, by wenzelm
merged
2019-11-08, by wenzelm
retain type information from reconstruct_proof, notably for Export_Theory.export_thm;
2019-11-08, by wenzelm
tuned proofs;
2019-11-08, by wenzelm
clarified modules;
2019-11-08, by wenzelm
more robust;
2019-11-08, by wenzelm
tuned modules;
2019-11-08, by wenzelm
tuned proofs -- more stable proof terms without [rule_format];
2019-11-08, by wenzelm
merged
2019-11-08, by paulson
A slight tidying up of messy proof steps
2019-11-08, by paulson
tuned declarations for more compact proof terms;
2019-11-07, by wenzelm
prefer named facts;
2019-11-07, by wenzelm
clarified contexts;
2019-11-07, by wenzelm
tuned messages;
2019-11-07, by wenzelm
clarified command-line;
2019-11-07, by wenzelm
tuned messages;
2019-11-07, by wenzelm
tuned messages;
2019-11-07, by wenzelm
more messages -- expose potential database problems;
2019-11-07, by wenzelm
clarified errors: include stdout;
2019-11-07, by wenzelm
clarified directory;
2019-11-07, by wenzelm
tuned;
2019-11-07, by wenzelm