anchor.diff:     ECHO Installs LuaRocks.
      ECHO.
      ECHO /P [dir]       Where to install.
  -   ECHO                Default is %PREFIX%
  +   ECHO                Default is %PREFIX% (version; %VERSION%, will be
  +   ECHO                appended to this path^)
      ECHO /CONFIG [dir]  Location where the config file should be installed.
      ECHO                Default is same place of installation
      ECHO /TREE [dir]    Root of the local tree of installed rocks.
  
positive.code:             SET LUA_INTERPRETER=luajit.exe
              GOTO INTERPRETER_IS_SET
           )		 
           ECHO Lua executable lua.exe or lua5.1.exe not found in %LUA_BINDIR%
           GOTO ERROR
        )
        SET CURR=%%L
  
negative.code:    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 [dir]     Location where Lua is installed - e.g. c:\lua\5.1\
     ECHO /INC [dir]     Location of Lua includes - e.g. c:\lua\5.1\include
     ECHO /LIB [dir]     Location of Lua libraries -e.g. c:\lua\5.1\lib
  