anchor.diff:  set "ECHO.X=call :Echo.NoExec"
   set "ECHO.XVD=call :Echo.XVD"
   if not .%NOEXEC%.==.1. set "NOEXEC=0"
  -if not .%NOREDIR%.==.1. set "NOREDIR=0"
   :# Check if there's a tee.exe program available
   set "Exec.HaveTee=0"
   tee.exe --help >NUL 2>NUL
  
positive.code: :#		    at redirecting output to the log file.		      #
  :#   2016-10-19 JFL Bug fix: Make sure the :Exec initialization preserves the #
  :#                  errorlevel that was there on entrance.                    #
  :#                                                                            #
  :#----------------------------------------------------------------------------#
  
  
negative.code: :#                  %IF_EXEC%   Execute a command if _not_ in NOEXEC mode     #
  :#                  %IF_NOEXEC% Execute a command in NOEXEC mode only         #
  :#                                                                            #
  :#  Variables       %NOEXEC%	Exec mode. 0=Execute commands; 1=Don't. Use   #
  :#                              functions Exec.Off and Exec.On to change it.  #
  :#                              Inherited from the caller. Default=On.	      #
  :#                  %NOREDIR%   0=Log command output to the log file; 1=Don't #
  :#                              Inherited. Default=0.                         #
  :#                              Useful in cases where the output must be      #
  :#                              shown to the user, and no tee.exe is available.
  :#                  %EXEC.ARGS%	Arguments to recursively pass to subcommands  #
  