George Toft wrote: > It's coming back to me now: -w is "strict" so you use it to > develop with, then remove it (as the code "works properly") so > it is not needed. Yes, but since you used the word "strict" I need to comment. The "use strict" pragma should stay in place. It just enforces some good practices and does not, as far as I know, produce any run-time surprises.