anchor.diff:     ECHO                Default is TREE/bin.
      ECHO.
      ECHO /L             Install LuaRocks' own copy of Lua even if detected.
  -   ECHO                (/LUA, /INC, /LIB, /BIN will be ignored when used 
  -   ECHO                with /L^)
  +   ECHO                ^(/LUA, /INC, /LIB, /BIN cannot be used with /L^)
      ECHO /LUA [dir]     Location where Lua is installed - e.g. c:\lua\5.1\
      ECHO                This is the base directory, the installer will look
      ECHO                for subdirectories bin, lib, include. Alternatively
  
positive.code: SET LUA_BINDIR=%BINDIR%
  SET LUA_LIBDIR=%LIBDIR%
  SET LUA_INCDIR=%INCDIR%
  :LUA_IS_SET
  ECHO.
  ECHO Will configure LuaRocks with the following paths:
  ECHO Lua interpreter: %LUA_INTERPRETER%
  ECHO Lua binaries:    %LUA_BINDIR%
  ECHO Lua libraries:   %LUA_LIBDIR%
  ECHO Lua includes:    %LUA_INCDIR%
  ECHO.
  
  REM ***********************************************************
  
negative.code:    ECHO    [[%ROCKS_TREE%]]>> "%CONFIG_FILE%"
     ECHO }>> "%CONFIG_FILE%"
     IF NOT [%SCRIPTS_DIR%]==[] ECHO scripts_dir=[[%SCRIPTS_DIR%]]>> "%CONFIG_FILE%"
     ECHO variables = {>> "%CONFIG_FILE%"
     IF [%USE_MINGW%]==[ON] (
     ECHO    MSVCRT = 'm',>> "%CONFIG_FILE%"
     ) ELSE (
     ECHO    MSVCRT = 'msvcr80',>> "%CONFIG_FILE%"
     )
     ECHO    LUALIB = '%LUA_LIB_NAME%'>> "%CONFIG_FILE%"
     ECHO }>> "%CONFIG_FILE%"
     ECHO Created LuaRocks config file: %CONFIG_FILE%
  ) ELSE (
     ECHO LuaRocks config file already exists: %CONFIG_FILE%
  