تعديل وحدة:Argument Wrapper

-- Call only from modules 
-- forked from [[module:Citation/CS1]]
return function (aliases, arglists )
	local origin = {};
	local nilargs = {};
	return setmetatable({
		ORIGIN = function ( self, k )
			local dummy = self[k];												-- force the variable to be loaded.
			return origin[k];
		end
	},
	{
		__index = function ( tbl, k )
			local v = rawget(tbl,k)
			if v then
				return v
			elseif nilargs[k] then
				return nil
			end
			local list = (type(k)=="number") and k or aliases[k];
			for _,arglist in ipairs(arglists) do
				if type( list ) == 'table' then
					for _, alias_key in pairs( list ) do
						if arglist[alias_key] then
							v = arglist[alias_key]
							origin[k] = alias_key
							break;
						end
					end
				elseif list ~= nil then
					v = arglist[list]
					if v then 
						origin[k] = list 
					end
				end

				if v then
					break;
				end
			end

			if v == nil then
				nilargs[k] = true
			else
				rawset( tbl, k, v )
			end

			return v
		end,
	});
end