anchor.diff:  }
   -- reconstruct argument values with spaces and double quotes
   -- this will be damaged by the batch construction at the start of this file
  +local oarg = arg  -- retain old table
   if #arg > 0 then
   	farg = table.concat(arg, " ") .. " "
   	arg = {}
  
positive.code: 			FORCE = true
  		elseif name == "/R" then
  			REGISTRY = true
  		else
  			die("Unrecognized option: " .. name)
  		end
  
negative.code: 		while farg:sub(1,1) == " " do farg = farg:sub(2,-1) end	-- remove prefix spaces
  	end
  end
  for k,v in pairs(oarg) do if k < 1 then arg[k] = v end end -- copy 0 and negative indexes
  oarg = nil
  
  
  local i = 1
  while i <= #arg do
  