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Stanford/ITS character set

From Wikipedia, the free encyclopedia
Extended ASCII character set
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Stanford/ITS character set
Stanford/ITS character set code page layout
LanguageEnglish
Created byMIT[1]
DefinitionsRFC 734
ClassificationExtended ASCII
ExtendsUS-ASCII
Based onSEASCII[2]

Stanford/ITS character set is anextended ASCIIcharacter set based onSEASCII with modifications allowing compatibility with 1968ASCII.[2]

Usage

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It is used as an alternate character set of theSUPDUP protocol for terminals with%TOSAI and%TOFCI bits set.[2] It is also recommended forTeX implementations on systems with large character sets.[1] The default plain TeX macro package sets values B16 () and 116 () as alternative character codes for superscripts and subscripts, respectively (the default being^ and_).[3]

TheKnight keyboard is an example of a keyboard capable of inputting all of the defined characters excluding⋅γδ±⊕◊∫, as they are mapped to ASCII commandsNUL,HT,LF,FF,CR,ESC andDEL, respectively.

Coverage

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Each character is encoded as a single seven-bit code value. It contains all 95printable ASCII characters along with 27mathematical symbols and 6Greek letters.

Code page layout

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Stanford/ITS character set
0123456789ABCDEF
0xαβ¬πλγδ±
1x
2x SP !"#$%&'()*+,-./
3x0123456789:;<=>?
4x@ABCDEFGHIJKLMNO
5xPQRSTUVWXYZ[\]^_
6x`abcdefghijklmno
7xpqrstuvwxyz{|}~

See also

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References

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  1. ^abKnuth, Donald (1986). "Appendix C: Character Codes".The TeXbook(PDF). Reading, Massachusetts: Addison-Wesley. p. 369.ISBN 0201134470.
  2. ^abcCrispin, Mark (October 1977)."Stanford/ITS character set".SUPDUP Protocol.IETF. p. 12.doi:10.17487/RFC0734.RFC734. RetrievedFebruary 18, 2019.
  3. ^Knuth, Donald (1986). "Appendix B: Basic Control Sequences".The TeXbook(PDF). Reading, Massachusetts: Addison-Wesley. p. 343.ISBN 0201134470.

Further reading

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  • RFC 734 - (Historic) SUPDUP Protocol. October 1977.
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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