ref: https://unix.stackexchange.com/questions/32001/what-is-m-and-how-do-i-get-rid-of-it
在 vim 中执行以下两行可以把 dos 类型的 CRLF 改为 unix LF:
1:set ff=unix2:e ++ff=dos3(sometimes `:e! ++ff=dos` is needed)
-->
ref: https://unix.stackexchange.com/questions/32001/what-is-m-and-how-do-i-get-rid-of-it
在 vim 中执行以下两行可以把 dos 类型的 CRLF 改为 unix LF:
1:set ff=unix2:e ++ff=dos3(sometimes `:e! ++ff=dos` is needed)