Don't have Telegram yet? Try it now!
https://www.peterdavehello.org/2013/05/%e8%ae%93vim%e5%ad%98%e6%aa%94%e6%99%82%e8%87%aa%e5%8b%95%e5%8e%bb%e9%99%a4%e8%a1%8c%e5%b0%be%e7%9a%84%e7%a9%ba%e7%99%bd/
讓VIM存檔時自動去除行尾的空白