From the book at the start of Chapter 2:
"Chapter 1 introduced the fundamental quests of this book — namely error-correcting codes over some given alphabet and block length that achieve the best possible tradeoff between dimension and distance, and the asymptotics of these parameters. We refer to all the theory pertinent to this quest as coding theory"
So when they say "Coding" it is about error correcting codes, not about some programming. Sigh.
I suggest changing the title of the book to something like "Theory of error correcting codes"
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