Was the mistake inserted intensionally to trace plagiarism?
When writing the examples for the Arduino Ethernet library (very good ones, indeed), one of these authors
David A. Mellis, Tom Igoe, or Adrian McEwen was a little bit too fast hitting his keyboard,
mistyping a for an . |
So do a search for the string
And don't be surprised to find some 48,300 hits.
Among them you even find books like
Making Things Talk (O'Reilly, 2nd Edition)