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* I added a point of clarification. I think you are thinking about one specific subset of what binary-to-text encodings are used for. While it is true that ASCII is not commonly used to represent arbitrary Binary data, Binary-encoded ASCII is still the most common data format there is. To address your claim "cannot represent half of all possible octets" that's entirely false. Any binary sequence can be represented in ASCII. It does take 2 characters to represent one octet, it only takes 8 ASCII characters to hold 7 octets. So the efficiency is 7/8 = 87.5%. [[User:Alanbly|Adam McCormick]] ([[User talk:Alanbly|talk]]) 00:43, 18 November 2021 (UTC)
::ASCII is ASCII, a 7 bit encoding. '''All''' the schemes listed in the article are forms of encoding binary data as ascii. Whereas if you allow control characters you could bit-shift 7 octets of 8-bit binary data into 8 octets of 127-bit ascii data this would ony be 7/8% efficient for multiples of
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