> all but 1 of the issues they found relates to test code, it seems people are a little less careful compared to functional code. Also a factor that bugs in fu

> all but 1 of the issues they found relates to test code, it seems people are a little less careful compared to functional code. Also a factor that bugs in functional code are more visible, both during development and to users once shipped. So there may have been an equal number or more such bugs in the non-test code, that just didn't remain in the code base for this long.