With the large screen real estate we get nowadays, its hard to recognize when your code’s line length is getting out of control. You can use auto word wrapping (
:set textwidth=n) or some other restrictive method. However I just want to visually see where the break is:
This adds a nifty highlight line at 80 characters that I can use as a reference.
h/t Vinicius NegrisoloTweet