anchor.diff:  %>DEBUGOUT% echo %INDENT%call %*
   if defined LOGFILE %>>LOGFILE% echo %INDENT%call %*
   endlocal
  +:Debug.IncIndent
   set "INDENT=%INDENT%  "
   goto :eof
   
  
positive.code: 
  :# FOREACHLINE macro. (Change the delimiter to none to catch the whole lines.)
  set FOREACHLINE=for /f "delims="
  
  :#----------------------------------------------------------------------------#
  :#                                                                            #
  
negative.code: set "ECHOVARS.D=%LCALL% :EchoVars.Debug"
  set "ECHOSVARS.V=%LCALL% :EchoStringVars.Verbose"
  set "ECHOSVARS.D=%LCALL% :EchoStringVars.Debug"
  set "+INDENT=%LCALL% :Debug.IncIndent"
  set "-INDENT=%LCALL% :Debug.DecIndent"
  :# Variables inherited from the caller...
  :# Preserve INDENT if it contains just spaces, else clear it.
  for /f %%s in ('echo.%INDENT%') do set "INDENT="
  