The cost is low, but not enough to justify removal. The fact that you weren't even aware of it is a good argument that it's not a problem.
The only way to find out if anyone's using it is to break their program. We have more important things to do. On Mon, Jul 16, 2012 at 11:45 PM, Marco Rogers <[email protected]> wrote: > Where does "root" come from and who's still using it? I would think that's > one's pretty safe to remove, especially since the probability of local > variable name collision is high. Any old program that's clinging to the > global "root" var probably isn't looking to upgrade any time soon anyway :) > > :Marco
