Todo's in Xcode 5

Xcode will highlight / show your to-do's in the navigation bar (the path trail at the top of the editor). Just format any comment like below and it will display in Xcode's navigation bar.

// TODO: End World Hunger. Fix Infinite Loop.

Here's what it looks like in Xcode's Navigation Bar:

Looks like it's a new feature in Xcode 5.0 or 5.0.1.