Using vi, "<<" works nicely to shift the line to the left by one shiftwidth (and it doesn't even matter where you are on the line.) I'm pretty sure emacs has the same functionality but, as I don't use emacs, I don't know how to achieve it offhand. I'm less sure of other programmer's editors on this point though I suspect that its a common feature.

-sauoq
"My two cents aren't worth a dime.";