[bartmcpherson]

So many little thing in life cause so much unnecessary stress. Oxford comma, one or two spaces after a period, and three or four space indentation in code.

[cperciva]

8-column tab!

Seriously, if you find that 8-column tabs make you run out of horizontal space, your code needs to be refactored anyway.

[jamesbritt]

It's not the lack of space, but the eye-scanning distance, that's annoying.

[epochwolf]

The convention for ruby is 2 spaces.

[tomjen3]

The same was the case for lisp.

But you can actually make do with just one space.