mnemonic
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... and names are allowed there.
Unambiguous character mnemonics are specified, which provide a
practical way of identifying a character, without reference to a
coded character set ...
... character set and its code in this coded character set. The
mnemonics are written in a minimal set of characters, namely the
invariant 83 graphical characters of ISO 646, which is a kind of
...
... character set in this memo.
The mnemonics can be used in Internet standards for easy and
unambiguous reference, and they can also serve as a fallback
...
... CHARACTER MNEMONICS ...
...
1. A group with two-character mnemonics
- Primarily intended for alphabetic scripts like Latin, Greek,
Cyrillic, Hebrew and Arabic, and special characters.
...
... 2. A group with variable-length mnemonics
- primarily intended for non-alphabetic scripts like Japanese and
Chinese, but also used for some accented letters and special
...
... characters.
In the two-character mnemonics, all invariant graphic character in
the ISO 646 character codes except "&" are used, i.e. the following
...
...
In the variable-length mnemonics, the character "_" is not used as
the first character. If it is used in a name, its presence is
doubled.
...
... doubled.
The mnemonics can be used in several different ways for different
purposes. One of these is description of coded character sets, which
...
... is detailed in section 3. Another is for extending a given coded
character set to a mnemonic character set. This is described in
section 4. The restrictions on the use of the characters "&" and "_"
...
...
For all mnemonics, the character for which it stands is indicated in
the following table by a long descriptive name. This name is
identical to the ISO ...
... The 2-character Mnemonics ...
...
The two-character mnemonics include various accented Latin letters,
Greek, Cyrillic, Hebrew, Arabic, Hiragana and Katakana. Also a fair
number of special characters are included. Almost all ISO ...
... 8-bit graphical coded character sets are covered
with these two-character mnemonics.
The two characters are chosen so the graphical appearance in the
...
... control characters of ISO
6429, two-character mnemonics have been selected based on the
variable-length acronyms ...
... Six 6 Katakana
In designing the mnemonics the following special characters were
reserved: The ampersand is reserved as an intro character, indicating
that the following string is in the mnemonic ...
... mnemonics the following special characters were
reserved: The ampersand is reserved as an intro character, indicating
that the following string is in the mnemonic character set. The
underline character is reserved for the variable-length ...
... character set. The
underline character is reserved for the variable-length mnemonics.
This use does not eliminate usage as an accent or language
...
... identifier.
Special characters are encoded with some mnemonic value. These are
not systematic thruout, but most mnemonics start ...
... Special characters are encoded with some mnemonic value. These are
not systematic thruout, but most mnemonics start with a related
special character of the reference set.
...
... The Variable-length Character Mnemonics ...
...
The Variable-length Character Mnemonics are primarily meant for the
ideographic characters in larger Asian character sets, but are also
...
... character sets, but are also
used for accented characters with several accents and some special
characters. To have the mnemonics as short as possible, which both
saves storage and is easier to input, a quite short name is
preferred. Considering the Chinese standard GB 2312-1980, the
...
...
This system for the representation of ideographic characters and
Hangul characters is not truly mnemonic, but it provides short
representations that are easy to connect to the corresponding
character by means of the code table of an official character set ...
... character set is reserved
for identifying variable-length mnemonics, namely the underline
character "_". This character is intended as a delimiter both in the
front and in the end of the mnemonic ...
... mnemonics, namely the underline
character "_". This character is intended as a delimiter both in the
front and in the end of the mnemonic. An example of its use would be:
(&=intro):
...
... CHARACTER MNEMONIC TABLE ...
...
The following table contains the character mnemonic and the encoding
and long descriptive name of ISO ...
... The format of the table is:
1st field is the character mnemonic (mostly 2 characters).
2nd field is the ISO 2DIS 10646 code in hexadecimal.
...
... AC 009f APPLICATION PROGRAM COMMAND (APC)
e000 indicates unfinished (Mnemonic)
/c e001 JOIN THIS LINE WITH NEXT LINE (Mnemonic ...
...
The character mnemonics hav been used to table a number of coded
character sets. The coded character set ...
...
"&code" has one parameter indicating the byte number allocated to the
following character mnemonic. After the "&code" specification the
characters are listed with their mnemonic in ascending order. A
...
... following character mnemonic. After the "&code" specification the
characters are listed with their mnemonic in ascending order. A
character mnemonic of "??" indicates that the position is unused. A
...
... characters are listed with their mnemonic in ascending order. A
character mnemonic of "??" indicates that the position is unused. A
character mnemonic of "__" indicates that the character set ...
... character mnemonic of "??" indicates that the position is unused. A
character mnemonic of "__" indicates that the character set is not
completely defined with the specifications in this memo.
...
... bit character sets. The value 32 must be added to obtain the
first and second byte respectively. Mnemonics can be specified after
the "&code2" specification as mentioned for the "&code"
specification.
...
... start column
number and the end column number respectively. This is equivalent to
specifying a series of mnemonics of the form "nrrcc" where "n" is the
character set name prefix ...
... start column number to the
end column number. The thereby created series mnemonics are
allocated to code positions which are added 32 to the row and column
...
...
- the first is the code to be duplicated, the other is the new
mnemonic.
"&rem" is followed by text to explain something in the table to a
...
... "&comb2" specifies a combination of two characters which signifies a
third character. All characters in the specification are given by
their mnemonic. The two combining characters must be specified
previously in the code table. The first combining character is
specified as the first character after the keyword, and then the
...
... Africa currently operating in 24 countries.
The mnemonic charsets are a family of charsets which have the
...
... following sequence: an intro character sequence, followed by a string
of characters that represent a character mnemonic, as described
below. Similarly, the intro character sequence may be doubled,
...
... format.
Note that many characters within a mnemonic character set may be
represented in two different ways. Normally the character itself is
...
... character set may be
represented in two different ways. Normally the character itself is
used, but it is also possible to use the mnemonic allocated to the
character in a mnemonic sequence.
...
... used, but it is also possible to use the mnemonic allocated to the
character in a mnemonic sequence.
In this way all characters with assigned mnemonics ...
... mnemonic sequence.
In this way all characters with assigned mnemonics can be represented
without information loss in any character set, which contains the
...
... invariant ISO 646 characters as a subset. As a consequence, using a
mnemonic character set all these characters can be generated
uniformly on all keyboards and presented uniformly on all terminal ...
... equipment, whenever the real character is not available.
Data encoded in a mnemonic charset is intended to be read by the end
user possibly without further treatment. If the transport encoding ...
... and the presentation encoding for the user differ, it is recommended
that the data be translated into a mnemonic representation in the
presentation encoding.
...
... mnemonic charset is specified with the name
"mnemonic+charset+intro" where "mnemonic" is written as given and
...
... "mnemonic+charset+intro" where "mnemonic" is written as given and
"charset" and "intro" is specified as described below. The mnemonic ...
... mnemonic" is written as given and
"charset" and "intro" is specified as described below. The mnemonic
charset "mnemonic ...
... mnemonic" is a shorthand for "mnemonic+ascii+38". The
mnemonic charset "mnem" is a shorthand for "mnemonic+ascii+8200".
...
... mnemonic charset "mnem" is a shorthand for "mnemonic+ascii+8200".
It is discouraged to use mnemonics ...
... mnemonic+ascii+8200".
It is discouraged to use mnemonics for Chinese characters of either
Chinese, Japanese or Korean origin, as the probability that the end
user equipment ...
... encoding is very high for
the intended receiver, and the mnemonics for such Chinese characters
described in this memo convey very little meaning to humans.
...
... ISO 646 character can be used as intro. The intro
character sequence is used for introducing character mnemonics when a
character is not present in the mail transport character set ...
... character set (as
defined by "charset"). Character mnemonics longer than two
characters are surrounded by the underline character. The intro
character sequence ...
... encoding, but may also be represented by the
intro character sequence and the mnemonic encoding.
...
... eliminating the possibility of reversibility and introducing an
information loss. With intro specified as 0, also underline
characters surrounding mnemonics longer than 2 characters are
removed. Mnemonic ...
... mnemonics longer than 2 characters are
removed. Mnemonic charsets with the intro specified as zero is
equivalent to the ordinary charset ...
... charsets with the intro specified as zero is
equivalent to the ordinary charset, e.g. "mnemonic+ascii+0" is
equivalent to "ascii".
...
...
The intro character can be given in a header "Mnemonic-Intro:" with
the value given in decimal as noted above in the first parameter.
This has only meaning if the charset ...
... If applications conforming to this memo interoperate with other
versions of this memo, and encounter mnemonics that are undefined
with this memo, they shall leave the mnemonic as it is coded. This
...
... versions of this memo, and encounter mnemonics that are undefined
with this memo, they shall leave the mnemonic as it is coded. This
provides for upward compatibility.
...
... the communicating parties. When such an agreement has been achieved,
a conversion between different mnemonic charsets can be done
according to the charset ...
... receiving coded character set plus the
character mnemonic, as described for the intro character sequence.
The characters forming the mnemonic ...
... mnemonic, as described for the intro character sequence.
The characters forming the mnemonic are translated into the receiving
code, which must have these characters present. An undefined
...
... terminating underline character. Headers may need to be changed
accordingly to reflect such conversion. The character mnemonic "/c"
has a special meaning in specifying that a line is to be continued
even if the next characters are specifying a new line.
...