“To sum up - in 1978 a series of small mistakes created some characters out of nothing. The errors went undiscovered just long enough to be set in stone, and now these ghosts are, at least in potential, a part of every computer on the planet, lurking in the dark corners of character tables.”

“When I see this code in C#: "".All(char.IsDigit) What you want: [0-9]+ What you get:”