> >and the like, or worse, in a piece of straight-line > top-level code >requiring no optimization:
> >
> >	/* Divide C by 2 */
> >		c << 1;
> > That's a great example of where the comment doesn't even > match what the code does!

My point precisely -- the comment added little, but further provided a cognitive dissonance than made many overlook even an obvious, isolated bug.