-----maxima-bounces at math.utexas.edu wrote: -----
>It's these kinds of practical difficulties that, in my mind, weigh heavily
>in favor of the "cavalier" version of W', exceptional point
>notwithstanding. (That said, I appreciate the argument about
Taylor-expansion around 0.)
If somebody reverts to the spurious pole form of the derivative of the
Lambert
function, it's OK with me. I suppose yet another flag would be OK too. A
conditional
expression (split-rule) probably won't work all that well, I think.
Barton