Representation of non-ASCII characters

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I.e., there are no ASCII characters for bytes >127; the ASCII code only has control characters from 0 to 31, space+printable characters from 32 to 126, and DEL at 127; everything else is not ASCII. Furthermore, there is no single standard for 8-bit character encodings, and not all of them encode a single character as a single byte - many of them, including the most commonly used encoding on the World Wide Web use multiple bytes to encode non-ASCII characters (and another encoding, frequently used in Microsoft's SMB, uses 2 or 4 bytes for all characters).