Le samedi 14 décembre 2002, à 07:29 , Michael Evans a écrit : > Essentially I do not understand what > > do > <snip> > Until _nil > > Means all control structures keep executing until the condition becomes true. in fb that probably means _zTrue which is -1 as we all larn quikly. thus the structure you cite is an infinite loop. _nil equalling 0 it will never equate to -1. if you look at the code that was snipped you will see an "exit do" that then is the getoutpoint. hth, :-j