So, you stumble on some high-quality code, very-high-quality code, that has worked flawlessly for decades (and if you don't perceive it as flawless, then convin

So, you stumble on some high-quality code, very-high-quality code, that has worked flawlessly for decades (and if you don't perceive it as flawless, then convince yourself it's your fault), and you dare mature an idea about modifying it? Mayhem be on you!