amshali/OpenBook — comment on commit 64befabcabb6b2e1b66ec1bcd2e146f8e90d8f06
File: app/controllers/Application.java line 13
By jtessler:

Ah, I see. If we want to be pedantic, we could use the [formal style](http://www.oracle.com/technetwork/java/codeconvtoc-136057.html), which states the following:

> Four spaces should be used as the unit of indentation.

Personally, I prefer 2 spaces, where every tab character is always expanded to 2 spaces. However, is it necessary to convert the indentation of the entire file like this?