On 13 Jul, 2005, at 9:08 PM, Stu Cram wrote:

> You will typically set this global flag (to _zTrue or 1)

For some tolerably good reasons most of which escape me right now (and 
for what it's worth!) _ztrue = -1, not +1.

-1 is a word full of binary "1"s which can make it rather handy in some 
boolean operations...
--
Ted Spencer
--
There isn't enough darkness in the world to quench the light of one 
small candle.