anchor.diff:     SET CURR=%%L
      IF EXIST "%%L" (
         IF NOT [%LUA_BINDIR%]==[] (
  -         IF EXIST %LUA_BINDIR%\lua5.1.exe (
  -            SET LUA_INTERPRETER=lua5.1.exe
  +         IF EXIST %LUA_BINDIR%\lua%LUA_VERSION%.exe (
  +            SET LUA_INTERPRETER=lua%LUA_VERSION%.exe
               ECHO       Found .\!LUA_INTERPRETER!
               GOTO INTERPRETER_IS_SET
            )
  
positive.code:    SHIFT /1
     GOTO PARSE_LOOP
  )
  IF /I [%1]==[/L] (
     SET INSTALL_LUA=ON
     SHIFT /1
  
negative.code: ECHO.
  ECHO You may want to add the following elements to your paths;
  ECHO PATH     :   %LUA_BINDIR%;%FULL_PREFIX%
  ECHO LUA_PATH :   %ROCKS_TREE%\share\lua\%LUA_VERSION%\?.lua;%ROCKS_TREE%\share\lua\%LUA_VERSION%\?\init.lua
  ECHO LUA_CPATH:   %LUA_LIBDIR%\lua\%LUA_VERSION%\?.dll
  ECHO.
  :QUIT
  ENDLOCAL
  