David wrote:

> John, there is one consistent set of typos in your formulas for $ X(\ell,r,y,\tau) $ -- you've left out the second parameter $r$. Can you edit them, so we can make this thread look nice?

I've attempted to fix this everywhere; I've deleted your comment about this, and I will delete this one if seems all my $ X(\ell,y,\tau) $s have been successfully corrected to $ X(\ell,r,y,\tau) $'s. Thanks!