Thanks, that was the problem 
I actually wondered (a) what happens to the memory allocated by new and (b) what the exact purpose of PT() is, but somehow it did not occur to me that one takes care of the other 
Thanks, that was the problem
I actually wondered (a) what happens to the memory allocated by new and (b) what the exact purpose of PT() is, but somehow it did not occur to me that one takes care of the other