sinc(x) -- defining evaluating and simplifying operations



> Again, there are three kinds of responses to this kind of issue

Oops, I only gave two.  The third is explaining the current behavior in
detail (not just fixing the immediate problem).

All three kinds of response are, I think, useful.  I find the third kind
(design discussion) the most interesting, but it is also the one that
helps the original user the least....

       -s