vim is a highly configurable text editor for efficiently creating and changing any kind of text. It is included as "vi" with most UNIX systems and with Apple OS X.
In my case, I am not to see the remark easily, so I changed its environment by creating ~/.vimrc like below
~/.vimrc
syntax on colorscheme slate set encoding=utf-8
If you want to set above globally, you need to add above two lines at the end of /etc/vimrc
So eventually you will be able to see a little bit different colors like below:
