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Mac OS Roman

From Wikipedia, the free encyclopedia
Character encoding created by Apple
Not to be confused withHP Roman orMacintosh Latin encoding.
Mac OS Roman
MIME / IANAmacintosh
LanguagesEnglish,various others
Created byApple Computer, Inc.
ClassificationExtended ASCII, Mac OS script
ExtendsASCII, Macintosh character set

Mac OS Roman is acharacter encoding created byApple Computer, Inc. for use byMacintosh computers.[1] It is suitable for representing text inEnglish and several other languages that use the Latin script. Mac OS Roman encodes 256 characters, the first 128 of which are identical toASCII, with the remaining characters including mathematical symbols,diacritics, and additional punctuation marks. Mac OS Roman is an extension of the original Macintosh character set, which encoded 217 characters.[1] Full support for Mac OS Roman first appeared inSystem 6.0.4, released in 1989,[2] and the encoding is still supported in current versions ofmacOS, though the standard character encoding is nowUTF-8. Apple modified Mac OS Roman in 1998 with the release ofMac OS 8.5 by replacing thecurrency sign with theeuro sign,[3] but otherwise the encoding has been unchanged since its release.

Character set

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The following table shows how characters are encoded in Mac OS Roman. The row and column headings give the first and second digit of thehexadecimal code for each character in the table.

Mac OS Roman[4][5]
0123456789ABCDEF
0xNULSOHSTXETXEOTENQACKBEL  BS   HT   LF   VT   FF   CR   SO   SI  
1xDLEDC1DC2DC3DC4NAKSYNETBCAN  EM SUBESC  FS   GS   RS   US 
2x  SP !"#$%&'()*+,-./
3x0123456789:;<=>?
4x@ABCDEFGHIJKLMNO
5xPQRSTUVWXYZ[\]^_
6x`abcdefghijklmno
7xpqrstuvwxyz{|}~DEL
8xÄÅÇÉÑÖÜáàâäãåçéè
9xêëíìîïñóòôöõúùûü
Ax†°¢£§•ß®©™´¨≠ÆØ
Bx∞±≤≥¥µ∂∑∏π∫ªºΩ[a]æø
Cx¿¡¬√ƒ≈∆«»…NBSPÀÃÕŒœ
Dx–—“”‘’÷◊ÿŸ⁄€[b]‹›fifl
Ex‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔ
Fx[c]ÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ
  1. ^Prior to December 1997, Apple's mapping published on Unicode.org mapped this character to U+2126 OHM SIGN.[5]
  2. ^Before Mac OS 8.5, the character at position 0xDB was the generic currency sign (¤).[5]
  3. ^The character at position 0xF0 is a solidApple logo. Apple uses Unicode character U+F8FF in theCorporate Private Use Area for this character, but it may not be supported on non-Apple systems.

See also

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Notes

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  1. ^abApple Computer, Inc. (1993).Inside Macintosh: Text(PDF). Addison Wesley Publishing Company. p. 1-53.ISBN 0-201-63298-5.Archived(PDF) from the original on 2019-12-11. RetrievedJuly 10, 2021.
  2. ^Apple Computer, Inc. (1991).Inside Macintosh, Volume VI. Addison-Wesley. p. 14-104.ISBN 0-201-57755-0.
  3. ^Apple Computer, Inc. (September 14, 1998)."Technical Note TN1104: The Euro Currency Symbol". RetrievedJuly 10, 2021.
  4. ^Inside Macintosh: Text(PDF). Apple Computer, Inc. 1993. pp. 1–54,A-5 –A-18.ISBN 0-201-63298-5. Archived fromthe original(PDF) on 2019-12-11. RetrievedJuly 10, 2021.
  5. ^abc"ROMAN.TXT".Unicode.org. Apple Computer, Inc. 5 April 2005. Retrieved9 October 2023.
Early telecommunications
ISO/IEC 8859
Bibliographic use
National standards
ISO/IEC 2022
Mac OSCode pages
("scripts")
DOS code pages
IBM AIX code pages
Windows code pages
EBCDIC code pages
DEC terminals (VTx)
Platform specific
Unicode /ISO/IEC 10646
TeX typesetting system
Miscellaneous code pages
Control character
Related topics
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