Standardize notable color properties wrt. getColorHexString
Some updates for Emacs Macros
Apply patch #624 MacOSX integration without plugin (refined OSX_patch.patch by Matthieu Casanova).
Less bulky menu acceletor font.
Proper treatment of multi-character glyphs (e.g. 0x01d49c) in OpenJDK 11.
Some more Unicode parentheses.
More accurate _listFiles -- avoid infinite infinite expansion of environment variable.
Adapted to OpenJDK 11: "Lucida Sans Typewriter" is no longer bundled, "Monospaced" is close to it on Linux and macOS, but on Windows it is "Courier New" and thus better avoided.