If your team has more than one person in it, you have two choices for indentation: You can use spaces only, or you can have a random invisible mish-mash of tab

If your team has more than one person in it, you have two choices for indentation: You can use spaces only, or you can have a random invisible mish-mash of tabs and spaces. Nobody EVER gets it right, and if you're coding in something whitespace-sensitive, you're in for a wild ride.