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.

Added shortcuts for many built-ins for use in the RUNCMD feature.

Reduced max path length on titlebar to 60.

Added feature to limit the path length displayed on titlebar to ...

80 characters.  This ensures that the other status information does
not disappear if the user gets very deeply nested into a filesystem.

Added visual indication ('*') appended to Auto state on title bar to ...

indicate that a refresh is currently underway.

Added ability to force a display refresh after a command is launched via ...

the REFRESHAFTER ('+') symbol prepended to a command definition.
(This also works for directly invoked commands via RUNCMD.)
Added REFRESHAFTER variable to set timing for this refresh.

Added Control-o key to toggle Autorefreshing. ...

Added indication of current Autorefresh state to title bar.
Removed separate title bar indication of reverse sort.  This is now
indicated by a '-' symbol appended to the sort field name.