Does it? Not the impression I get from this article: http://lostechies.com/jimmybogard/2012/03/07/tabs-versus-spaces-spaces-won/

It's good to cooperate with the local convention, but ROS style is still 2 spaces. A user building on rosserial in Windows is still creating ROS ecosystem code, so it really should be according to ROS conventions. Especially because a rosserial_windows user might not even necessarily be using MSVC— they could be on CodeBlocks, Eclipse, etc.

Whichever way it goes, a note on the wiki about is warranted.