"trigrat" caught in infinite loop - depending on how you call it



Oops -- unfortunately fixing the trigrat bug caused other problems ... 
e.g. integrate(sqrt(1 - cos(t)), t, 0, 2*%pi) is supposed to return
2^(5/2) but now it returns 2^(3/2). Rats! (So to speak.) Let me get back
to you about it.

best

Robert Dodier