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In page Unicode:

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Based on experiences with the Xerox Character Code Standard (XCCS) since 1980,[1] the origins of Unicode date to 1987, when Joe Becker from Xerox with Lee Collins and Mark Davis from Apple, started investigating the practicalities of creating a universal character set.[2] With additional input from Peter Fenwick and Dave Opstad,[1] Joe Becker published a draft proposal for an "international/multilingual text character encoding system in August 1988, tentatively called Unicode". He explained that "[t]he name 'Unicode' is intended to suggest a unique, unified, universal encoding".[1]