Minor cosmetic cleanups leftover from changing TRUE/FALSE to True/False in last revision.

Minor corrections/edits. ...

Changed all references of TRUE/FALSE to True/False.

Changed delimiters for PROMPT and YESNO from [] to {} to facilitate embedding variable references within them. ...

Restructured the code so that variable dereferencing does not take place until command executes.

Restructured the YESNO/PROMPT string preservation logic so it works correctly in all cases.

Restructured prompt default handling to gracefully handle case when there is no default.

Fixed problem with circular .include suppression logic interfering with a configuration reload.

Added logic to suppress circular includes.

Implemented GetStatusOutput() so that Execution Variables work portably across Unix and Win32.

Addeded support for Execution Variables.

Added code to catch nested variable references within PROMPT and YESNO builtin definitions.

Accomodated default handler for situations where command begins with REFRESHAFTER.

Added code to preserve content of PROMPT and YESNO builtins so user-formatting is maintained.

Added default support for the PROMPT and YESNO macro language features. ...

Added the DEFAULTSEP option to support defaults.

Changed AFTERWAIT behavior so that it only clears current selections ...

but no longer moves cursor to top of screen.

Added ability to popup the sorting menu.

Implemented adaptive refresh intervals and the ADAPTREFRESH option.

Minor cleanup of Refresh recovery logic when going back to the starting directory.

Added logic to handle removed media during a refresh cycle.

Minor change to end a refresh after command execution so that nothing ...

is selected and the cursor is placed under the first item in the list.

Added logic to reset all selections to first item only after a command ...

that requested Refresh after execution.
Added AFTERCLEAR option to toggle this behavior.

Added logic to sort symlinks pointing to directories into the directory ...

list when doing separated sorts.  Added new SYMDIR option to toggle
this behavior.  Default is on.

Made FORCEUNIXPATH relevant only on Windows systems.

Fixed copyright symbol.

Changed binding for popup Shortcut menu to Ctrl-Button3 so program ...

would work correctly on Windows.

Added code to provide a Shortcut popup menu. ...

Added previously missing MOUSEHIST and MOUSEWILD key binding definitions.

Removed DirSCs from Directory Menu at startup. ...

Added separate Shortcut menu to the menubar.

Updated copyright.

Added support for FORCEUNIXPATH option.

Program was throwing an error if the user aborted a PROMPT. ...

Fixed in the tests for REFRESHAFER in the command execution logic.

Modified command history slightly to store the REFRESHAFTER indicator ...

for all commands, regardless how they were invoked - manually or
via the configuration definition.