I was curious about that too, so I did a little searching around to find out why. Apparently tabs are the officially recommended format and are emitted by the code formatting tool `go fmt`.<p><a href="http:&#x2F;&#x2F;stackoverflow.com&#x2F;questions&#x2F;19094704&#x2F;indentation-in-go-tabs-or-spaces" rel="nofollow">http:&#x2F;&#x2F;stackoverflow.com&#x2F;questions&#x2F;19094704&#x2F;indentation-in-g...</a>