剔除VIM中 ^M
删除VIM中 ^M
http://stackoverflow.com/questions/811193/how-to-convert-the-m-linebreak-to-normal-linebreak-in-a-file-opened-in-vim
:%s/<Ctrl-V><Ctrl-M>//g
http://stackoverflow.com/questions/811193/how-to-convert-the-m-linebreak-to-normal-linebreak-in-a-file-opened-in-vim