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{{about|the storage of text in computers|the transmission of data across noisy channels|variable-length code}}
{{more citations needed|date=December 2009}}
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A '''variable-width encoding''' is a type of [[character encoding]] scheme in which codes of differing lengths are used to encode a [[character set]] (a repertoire of symbols) for representation, usually in a [[computer]].<ref>{{Cite journal|last=Crispin|first=M.|date=April 2005|title=UTF-9 and UTF-18 Efficient Transformation Formats of Unicode|doi=10.17487/rfc4042|doi-access=}}</ref>{{efn|The concept long precedes the advent of the electronic computer, however, as seen with [[Morse code]].}} Most common variable-width encodings are '''multibyte encodings''', which use varying numbers of [[byte]]s ([[octet (computing)|octets]]) to encode different characters.
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