more uniform directory layout for macOS;
uniform Isabelle_app executable + lib/scripts/Isabelle_app for Linux and macOS;
proper support for Apple "Files and Folders" security via x86_64-darwin executable (which is still able to launch arm64-darwin Java);
chapter Tools
session Tools = Pure +
theories
Code_Generator
session Spec_Check in Spec_Check = Pure +
theories
Spec_Check
Examples
session SML in SML = Pure +
theories
Examples
session Haskell in Haskell = Pure +
theories
Haskell
theories [condition = ISABELLE_GHC_STACK]
Test