Multinational Character Set

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Template:Short description Template:Infobox character encoding The Multinational Character Set (DMCS or MCS) is a character encoding created in 1983 by Digital Equipment Corporation (DEC) for use in the popular VT220 terminal. It was an 8-bit extension of ASCII that added accented characters, currency symbols, and other character glyphs missing from 7-bit ASCII. It is only one of the code pages implemented for the VT220 National Replacement Character Set (NRCS).[1][2] MCS is registered as IBM code page/CCSID 1100 (Multinational Emulation) since 1992.[3][4] Depending on associated sorting Oracle calls it WE8DEC, N8DEC, DK8DEC, S8DEC, or SF8DEC.[5][6]

Such "extended ASCII" sets were common (the National Replacement Character Set provided sets for more than a dozen European languages), but MCS has the distinction of being the ancestor of ECMA-94 in 1985[7] and ISO 8859-1 in 1987.[8]

The code chart of MCS with ECMA-94, ISO 8859-1 and the first 256 code points of Unicode have many more similarities than differences. In addition to unused code points, differences from ISO 8859-1 are:

MCS code point Unicode mapping Character
0xA8 U+00A4 ¤
0xD7 U+0152 Œ
0xDD U+0178 Ÿ
0xF7 U+0153 œ
0xFD U+00FF ÿ

Character set

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  Differences from ISO-8859-1

See also

References

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  4. ↑ Script error: No such module "citation/CS1".
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  6. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Daylight_DEC
  7. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named ECMA_1985_ECMA94_R1
  8. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Czyborra_1998
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