anchor.diff:  
   
   local function get_runtime()
  -    local f
  +	local f
   	vars.LUA_RUNTIME, f = pe.msvcrt(vars.LUA_BINDIR.."\\"..vars.LUA_INTERPRETER)
   	if type(vars.LUA_RUNTIME) ~= "string" then
   		-- analysis failed, issue a warning
   		vars.LUA_RUNTIME = "MSVCR80"
   		print("*** WARNING ***: could not analyse the runtime used, defaulting to "..vars.LUA_RUNTIME)
  -    else
  +	else
   		print("    "..f.." uses "..vars.LUA_RUNTIME..".DLL as runtime")
   	end
   	return true
   end
   
   local function get_architecture()
  -    -- detect processor arch interpreter was compiled for
  -    local proc = (pe.parse(vars.LUA_BINDIR.."\\"..vars.LUA_INTERPRETER) or {}).Machine
  -    if not proc then
  -        die("Could not detect processor architecture used in "..vars.LUA_INTERPRETER)
  -    end
  -    proc = pe.const.Machine[proc]  -- collect name from constant value
  -    if proc == "IMAGE_FILE_MACHINE_I386" then
  -        proc = "x86"
  -    else
  -        proc = "x86_64"
  -    end
  -    return proc
  +	-- detect processor arch interpreter was compiled for
  +	local proc = (pe.parse(vars.LUA_BINDIR.."\\"..vars.LUA_INTERPRETER) or {}).Machine
  +	if not proc then
  +		die("Could not detect processor architecture used in "..vars.LUA_INTERPRETER)
  +	end
  +	proc = pe.const.Machine[proc]  -- collect name from constant value
  +	if proc == "IMAGE_FILE_MACHINE_I386" then
  +		proc = "x86"
  +	else
  +		proc = "x86_64"
  +	end
  +	return proc
   end
   
   local function look_for_lua_install ()
  
positive.code: 			print(S"       Found $LUA_BINDIR\\$LUA_INTERPRETER")
  			return true
  		end
  		die(S"Lua executable lua.exe, luajit.exe or lua$LUA_VERSION.exe not found in $LUA_BINDIR")
  	end
  
  	for _, e in ipairs{ [[\]], [[\bin\]] } do
  
negative.code: 	vars.LUA_LIBDIR = vars.LIBDIR
  	vars.LUA_INCDIR = vars.INCDIR
  	vars.LUA_LIBNAME = "lua5.1.lib"
  	vars.LUA_RUNTIME = "MSVCR80"
  	vars.UNAME_M = "x86"
  else
  	vars.UNAME_M = get_architecture()
  	print(S[[
  
  Will configure LuaRocks with the following paths:
  