any manual undocumented change may lead to hard to debug problems, an example in these comments https://news.ycombinator.com/item?id=35389882 https://news.ycomb

any manual undocumented change may lead to hard to debug problems, an example in these comments https://news.ycombinator.com/item?id=35389882 https://news.ycombinator.com/item?id=35389882