Information processing — 8-bit single-byte coded graphic character sets — Part 7: Latin/Greek alphabet

La présente partie de l'ISO 8859 définit un jeu de 185 caractères graphiques, portant le nom d'alphabet latin/grec, et la représentation codée de chacun de ces caractères sur un seul octet. Aucun de ces caractères n'est «sans espacement». L'utilisation de fonctions de contrôle telles que ESPACE ARRIÈRE ou RETOUR CHARIOT pour la représentation codée de caractères composés est interdite par l'ISO 8859. Ce jeu de caractères graphiques, l'alphabet latin/grec, est destiné aux applications de traitement de texte et de données et peut également servir à l'échange d'informations. Il est destiné aux applications multilingues comportant des écritures latines et grecques. Il permet le traitement de données et de textes écrits en grec. Ce jeu de caractères graphiques peut être utilisé dans une version d'un code à 8 éléments conforme à l'ISO 2022 ou à l'ISO 4873. NOTE -- L'ISO 8859 n'est pas destinée à être utilisée pour les services télématiques définis par le CCITT. Si des informations codées conformément à l'ISO 8859 doivent être transférées à de tels services, elles devront se conformer aux spécifications de ces services au niveau de l'interface de codage.

Traitement de l'information — Jeux de caractères graphiques codés sur un octet — Partie 7: Alphabet latin/grec

General Information

Status
Withdrawn
Publication Date
11-Nov-1987
Withdrawal Date
11-Nov-1987
Current Stage
9599 - Withdrawal of International Standard
Completion Date
28-Oct-2003
Ref Project

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ISO 8859-7:1987 - Information processing -- 8-bit single-byte coded graphic character sets
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Standards Content (Sample)

IS0
INTERNATIONAL STANDARD 8859-7
First edition
1987-1 l-15
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION
ORGANISATION INTERNATIONALE DE NORMALISATION
MEXflYHAPOAHAfl OPTAHM3AYMR IlO CTAHAAPTM3A~MM
Information processing - 8-bit single-byte coded
graphic character sets -
Part 7 3
Latin/Greek alphabet
Reference number
IS0 8859-7: 1987 (E)

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Foreword
IS0 (the International Organization for Standardization) is a worldwide federation of
national standards bodies (IS0 member bodies). The work of preparing International
Standards is normally carried out through IS0 technical committees. Each member
body interested in a subject for which a technical committee has been established has
the right to be represented on that committee. International organizations, govern-
mental and non-governmental, in liaison with ISO, also take part in the work.
Draft International Standards adopted by the technical committees are circulated to
the member bodies for approval before their acceptance as International Standards by
the IS0 Council. They are approved in accordance with IS0 procedures requiring at
least 75 % approval by the member bodies voting.
International Standard IS0 8859-7 was prepared by the European Computer Manufac-
turers Association as standard ECMA-118 and was adopted, under a special “fast-
track” procedure, by Technical Committee ISO/TC 97, information processing
systems, in parallel with its approval by the IS0 member bodies.
Users should note that all International Standards undergo revision from time to time
and that any reference made herein to any other International Standard implies its
latest edition, unless otherwise stated.
0 International Organization for Standardization, 1987
Printed in Switzerland
ii

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Contents
Page
1
1 Scope .
1
2 Field of application
....................................................
......................................................... 1
3 Conformance
1
4 References .
1
5 Definitions. .
1
5.1 bit combination; byte
.............................................
1
5.2 character .
1
5.3 coded character set; code .
2
codetable .
5.4
2
.................................................
5.5 graphiccharacter
2
...................................................
5.6 graphicsymbol
2
.........................................................
5.7 position
2
6 Notation, code table and names .
2
6.1 Notation .
2
6.2 Layout of the code table .
2
6.3 Names and meanings .
2
6.3.1 SPACE(SP) .
2
6.3.2 NO-BREAK SPACE (NBSP) .
2
6.3.3 SOFT HYPHEN (SHY). .
2
Specification of the coded character set .
7
2
Characters of the set and their coded representation .
7.1
4
.......................................................
7.2 Codetable
4
8 Designation of the character set .
4
9 Bit combinations not to be used .
. . .
III

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INTERNATIONAL STANDARD IS0 8859-7 : 1987 (E)
- 8-bit single-byte coded
Information processing
graphic character sets -
Part 7 :
Latin/Greek alphabet
IS0 2022, Information processing - /SO 7-bit and g-bit coded
1 Scope
character sets - Code extension techniques.
This part of IS0 8859 defines a set of 185 graphic characters
IS0 4873, Information processing - /SO g-bit code for infor-
identified as the Latin/Greek alphabet, and specifies the coded
ma tion interchange - Structure and rules for implementation.
representation of each of these characters by means of a single
8-bit byte. None of these characters are “non-spacing”.
IS0 6429, Information processing - IS0 7-bit and g-bit coded
character sets - Control functions for coded character sets?
The use of control functions, such as BACKSPACE or
CARRIAGE RETURN for the coded representation of com-
IS0 6937-2, Information processing - Coded character sets
posite characters is prohibited by IS0 8859.
for text communication - Part 2 : Latin alphabetic and non-
alphabetic graphic characters.
2 Field of application
IS0 8859, Information processing - g-bit single-byte coded
graphic character sets -
This set of graphic characters, the Latin/Greek alphabet, is in-
Part I : Latin alphabet No. 7
tended for use in data and text processing applications and may
also be used for information interchange. Part 2 : Latin alphabet No. 2
Part 3 : Latin alphabet No. 3l)
This set is suited for multiple-language applications involving
Part 4 : Latin alphabet No. 4’)
the Latin and the Greek scripts. It allows handling of data and
text expressed in Greek.
Part 5 : La tin/Cyrillic alphabet’ )
Part 6 : La tin/Arabic alphabet’)
This set of graphic characters is suitable for use in a version of
an 8-bit code according to IS0 2022 or IS0 4873. Part 8 : Latin/Hebrew alphabet’)
NOTE - IS0 8859 is not intended for use with CCITT-defined
Telematic services. If information coded according to IS0 8859 is to be
5 Definitions
transferred to such services, it will have to conform at the coding inter-
face to their requirements.
For the purpose of this part of IS0 8859 the following defini-
tions apply :
3 Conformance
5.1 bit combination; byte : An ordered set of bits that
represents a character or is used as a part of the representation
A set of graphic characters is in conformance with this part of
of a character.
IS0 8859 if it comprises all graphic characters specified herein
to the exclusion of any other and if their coded representations
5.2 character : A member of a set of elements used for the
are those specified by this part of IS0 8859.
organization, control or representation of data.
5.3 coded character set; code : A set of unambiguous
4 References
rules that establishes a character set and the one-to-one
IS0 646, Information processing - /SO 7-bit coded character relationship between each character of the set and its
set for information interchange.
coded representation.
1) At present at the stage of draft; publication anticipated in due course.
1

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IS0 8859-7 : 1987 (E)
The positions of the code table are in one-to-one cor-
5.4 code table : A table showing the character allocated to
respondence with the bit combinations of the code. The nota-
each bit combination in a code.
tion of a code table position, of the form xx&y, is the same as
that of the corresponding bit combination.
: A character, other than a control
5.5 graphic character
function, that has a visual representation normally handwritten,
6.3 Names and meanings
printed or displayed, and that has a coded representation con-
sisting of one or more bit combinations.
This part of IS0 8859 assigns at least one name to each
NOTE - In IS0 8859 a single bit combination is used to represent each
character. In addition, it specifies a graphic symbol for each
character.
graphic character. By convention only capital letters, the
graphic symbols of small letters and hyphens are used for writ-
ting the names of the characters.
5.6 graphic symbol : A visual representation of a graphic
character.
The names chosen to denote graphic characters are intended to
reflect their customary meaning. However, except for SPACE
5.7 position : That part of a code table identified by its
(SP), NO-BREAK SPACE (NBSP) and SOFT HYPHEN (SHY),
column and row co-ordinates.
this part of IS0 8858 does not define and does not restrict the
meanings of graphic characters. Neither does it specify a par-
ticular style or font design for imaging graphic characters.
6 Notation, code table and names
6.3.1 SPACE (SP)
6.1 Notation
This character may be interpreted as a graphic character, a con-
The bits of the bit combinations of the 8-bit code are identified
trol character or as both. As a graphic character it has the visual
by b8, b7, bs, bg, bq, b3, b2 and b,, where bs is the highest-
representation consisting of the absence of a graphic symbol.
order, or most-significant bit and bI is the lowest-order, or
least-significant bit.
6.3.2 NO-BREAK SPACE (NBSP)
The bit combinations may be interpreted to represent numbers
A graphic character the visual representation of which consists
in binary notation by attributing the following weights to the in-
of the absence of a graphic symbol, for use when a line break is
dividual bits :
to be prevented in the text as presented.
Bit
bl
b8 b7 b6 b5 b4 b3 b2 6.3.3 SOFT HYPHEN (SHY)
Weight 128 64 32 16 8 4 2 1
A graphic character that is imaged by a graphic symbol iden-
tical
...

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