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Does Newtonian gravity bend light?



One of the textbooks on my desk says regarding predictions of GR "Gravity
should bend light rays, an effect not predicted by Newtonian mechanics
because light has no mass." Yet
<http://www.theory.caltech.edu/people/patricia/lclens.html> claims that
Newtonian gravity bends light, just less than Einsteinian gravity does.
What gives?

Thanks,
Larry