vim乱码
https://zhidao.baidu.com/question/2207534710508412468.html
vim修改缩进
https://www.cnblogs.com/liqiu/archive/2012/11/12/2765816.html
注释及其他详细内容
https://blog.csdn.net/jb19900111/article/details/13507801
vim替换
https://blog.csdn.net/cbaln0/article/details/87979056