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Lets say that its too late. This bug is more obscure than I 
had thought. It also can not be isolated.

I tracked the problem down to my UURI generator, which 
returns nice random 128 bit base-32 encoded strings. In one 
test case only it returns the same UURI as passed by that 
other parameter. Note that the other parameter is NOT 
passed to the UURI generator.

I'm saying that a code fragment can not be generated 
because one of my regression tests checks to make sure the 
UURI generator doesn't return duplicate values. And that test 
still works fine.

I'm finding this all very peculilar. One other thing I'll note in 
passing is that the more print statements I put in the code, 
the less likely any given test is to fail. With no print 
statements, failure occurs about half the time. With lots of 
print statements, failure is about 1 in 20.

The whole program is about 30K (compressed). Its also hard 
to spot when the error occurs, as the error destroys data 
which causes a subsequent failure. (Though knowing the 
error, I can now add additional checks.)

As the code is confidential and propriatary, I'll need 
permission from the client to send it, as well. 

blaforge