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Topic: Character sets


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In the News (Mon 27 May 19)

  
  Character Sets
Character Sets are an issue every programmer has to deal with one day.
This character set is not able to render all Unicode scalars and is therefore obsolete.
These character sets are extensions of ASCII where the 8th bit is used.
www.destructor.de /charsets   (500 words)

  
  [chinese mac] Character Sets
Character sets are standards established for two main purposes: education and computing.
Educational character sets are not the focus here, but it is important to note that in both China and Taiwan, national educational standards have been incorporated into the character sets used for computing.
As a Chinese character set, it is currently limited to the Unified Han Ideographs in Unicode 3.0, a total of 27,496 hanzi.
www.yale.edu /chinesemac/pages/character_sets.html   (2010 words)

  
  Character Sets: Introduction (Library of Congress)
A set of unambiguous rules that establish a character set and the one-to-one relationships between the characters of the set and their bit combinations.
To identify a set of characters that are to be represented in a prescribed manner.
The characters are always recorded in their logical order, from the first character to the last character, irrespective of the direction they are intended to be read.
www.loc.gov /marc/specifications/speccharintro.html   (1095 words)

  
 [No title]
The second region (1000-1999) is for the Unicode and ISO/IEC 10646 coded character sets together with a specification of a (set of) sub-repertoires that may occur.
If the character set is not from an ISO standard, but is registered with ISO (IPSJ/ITSCJ is the current ISO Registration Authority), the ISO Registry number is specified as ISOnnn followed by letters suggestive of the name or standards number of the code set.
When a national or international standard is revised, the year of revision is added to the cs alias of the new character set entry in the IANA Registry in order to distinguish the revised character set from the original character set.
www.iana.org /assignments/character-sets   (1432 words)

  
 W3C I18N Tutorial: Character sets & encodings in XHTML, HTML and CSS
A character set or repertoire comprises the set of characters one might use for a particular purpose – be it those required to support Western European languages in computers, or those a Chinese child will learn at school in the third grade (nothing to do with computers).
Many character encoding standards, such as ISO 8859 series, use a single byte for a given character and the encoding is straightforwardly related to the scalar position of the characters in the coded character set.
For example, the letter A in the ISO 8859-1 coded character set is in the 65th character position (starting from zero), and is encoded for representation in the computer using a byte with the value of 65.
www.w3.org /International/tutorials/tutorial-char-enc   (6288 words)

  
 Languages and Character Sets
Computer systems vary greatly in the sets of characters they make available for use in electronic documents; this variety enables users with widely different needs to find computer systems suitable to their purposes, but it also complicates the interchange of documents among systems; hence the need for a chapter on this topic in these Guidelines.
The same character may be represented by many different glyphs; less obviously, the same glyph, may in certain circumstances correspond with different abstract characters, or be used with different interpretations, as when, for example, the Greek capital letter omega is also used to represent the unit of electrical resistance (ohm).
For local processing, on the other hand, use of characters from this area might prove convenient, since, if the corresponding font resources are available, users can see the characters more easily on their screens and analytical software might not be able to process entity references in the same way as characters.
www.tei-c.org /P4X/CH.html   (5403 words)

  
 Character sets and codepages
We often speak inaccurately of character sets: we may refer to a "Greek character set" or a "Latin character set".
However, characters from different language systems are conventionally divided into different "character sets", primarily because, in the past, a limited number of characters could be "addressed" at any one time.
However, 256 character codes are not enough to represent all the characters needed by multi-lingual users in a single font, or by users in the Far East, where over 12,000 characters may need to be addressed at any one time.
www.microsoft.com /typography/unicode/cscp.htm   (1506 words)

  
 Character Sets
Character sets used today in the US are generally 8-bit sets with 256 different characters that are extensions of ASCII.
But as long as a computer knows which character set is being used, it can be programmed to display those characters, no matter what the computer's native character set may be.
The é is character 130 in ISO-LATIN-I. A MIME compliant email program will use the email headers to keep track of which character set and which encoding scheme are applied to each email message.
www.cortland.edu /flteach/mm-course/characters.html   (577 words)

  
 Character Sets / Character Encoding Issues [Web Application Component Toolkit]
The basic problem PHP has with character encoding is it has a very simple idea of what the notion of a character is: that one character equals one byte.
Depending on the character set you tell it to use, it looks up an HTML entity it finds in some text and returns corresponding character from a lookup table.
The character set you specify as this functions third argument means both the character set of the text you give html_entity_decode to parse and the character set which which to decode the entities into.
www.phpwact.org /php/i18n/charsets   (6194 words)

  
 A tutorial on character code issues
Note: The set of nonnegative integers corresponding to characters need not consist of consecutive numbers; in fact, most character codes have "holes", such as code positions reserved for control functions or for eventual future use to be defined later.
All the character codes discussed above are "8-bit codes", eight bits are sufficient for presenting the code numbers and in practice the encoding (at least the normal encoding) is the obvious (trivial) one where each code position (thereby, each character) is presented as one octet (byte).
Most ASCII characters are presented as such, each as one octet, but for obvious reasons some octet values must be reserved for use as "escape" octets, specifying the octet together with a certain number of subsequent octets forms a multi-octet encoded presentation of one character.
www.cs.tut.fi /~jkorpela/chars.html   (13607 words)

  
 Character Sets - ITCFonts.com
Some of ITC's new Fontek display typefaces may contain alternate characters in place of some of the lesser-used standard characters, such as the math symbols.
When these display typefaces were originally developed, certain characters, such as the "at" symbol, the number sign, and the equals sign, were not part of the standard display character set.
If you have any questions about the character sets supplied by ITC, please contact ITC at support@itcfonts.com.
www.itcfonts.com /fonts/charsets   (284 words)

  
 HTML Character Sets (Internet Explorer)   (Site not responding. Last check: )
Character sets determine how the bytes that represent the text of your HTML document are translated to readable characters.
It interprets numeric or hex character references ("and#12345;" or "and#x1234;") as ISO10646 code points, consistent with the Unicode Standard, version 2.0, and independent of the chosen character set.
The display of an arbitrary numeric character reference requires the existence of a font that is able to display that particular character on the user's system.
msdn.microsoft.com /workshop/author/dhtml/reference/charsets/charsets.asp   (146 words)

  
 ISO 8859-1 character set overview
ISO-8859-1 explicitly does not define displayable characters for positions 0-31 and 127-159, and the HTML standard does not allow those to be used for displayable characters.
The only characters in this range that are used are 9, 10 and 13, which are tab, newline and carriage return respectively.
If you attempt to display these invalid characters on your own system, you may find some characters displayed there, but please do not assume that other users will see the same thing (or even anything at all) on their systems.
www.htmlhelp.com /reference/charset   (326 words)

  
 SP - Character sets
In the single-byte version of SP, each character is represented both internally and in storage objects by a single byte equal to the number of the character in the document character set.
When not in fixed character set mode this character set is used as the internal character set until the document character set has been read, at which point the document character set is used as the internal character set.
A bit combination with the 0x8000 and 0x80 bits set is encoded by the sequence of bytes with which the SJIS encoding encodes the character whose number in JIS X 0208 added to 0x8080 is equal to the bit combination.
www.jclark.com /sp/charset.htm   (1176 words)

  
 Chinese Character Sets
When they appear as special character sets you must have those fonts downloaded to your computer for them to display.
The language and character set names will appear under Character Set or Encoding in the View menu your browser even though the fonts have not been downloaded.
Dialects of the Mandarin group are spoken in three-quarters of the country by roughly two-thirds of the population, which is one of the reasons why Mandarin was chosen as the national language.
www.geocities.com /dtmcbride/tech/charsets/chinese.html   (541 words)

  
 Cyrillic Character Sets   (Site not responding. Last check: )
To read or edit Cyrillic text created in a different character set, you must first transliterate the text to the character set you normally use.
Cyrillic characters are found in the "upper" region of the character set, at positions 128 and above.
Character sets are grouped according to platform, but keep in mind that this grouping is somewhat arbitrary, as many character sets are used on multiple platforms.
www.fingertipsoft.com /ref/cyrillic/charsets.html   (279 words)

  
 The Absolute Minimum Every Software Developer Absolutely, Positively Must Know About Unicode and Character Sets (No ...
The only characters that mattered were good old unaccented English letters, and we had a code for them called ASCII which was able to represent every character using a number between 32 and 127.
The IBM-PC had something that came to be known as the OEM character set which provided some accented characters for European languages and a bunch of line drawing characters...
But still, most people just pretended that a byte was a character and a character was 8 bits and as long as you never moved a string from one computer to another, or spoke more than one language, it would sort of always work.
www.joelonsoftware.com /articles/Unicode.html   (3716 words)

  
 International Register of Coded Character Sets
Its purpose is to identify widely used coded character sets and associate with each a unique escape sequence by means of which it can be designated according to ISO/IEC 2022 and ISO/IEC 4873.
Registration provides an identification for a coded character set but implies nothing about its status; it may or may not be part of a standard of an international, national or a corporate body.
However, if such a standard is published subsequently to the registration, it would be appropriate for the escape sequence identifying the character set to be specified in the standard.
www.itscj.ipsj.or.jp /ISO-IR   (408 words)

  
 Converting Database Character Sets « WordPress Codex
Beginning with Version 2.2, WordPress allows the user to define both the database character set and the collation in their wp-config.php file.
For discussion purposes, it is assumed you have a database in the latin1 character set that needs converting to a utf8 character set.
When converting the character sets, all TEXT (and similar) fields are converted to UTF-8, but that conversion will BREAK existing TEXT because the conversion expects the data to be in latin1, but WordPress may have stored unicode characters in a latin1 database, and as a result, data could end up as garbage after a conversion!
codex.wordpress.org /Converting_Database_Character_Sets   (428 words)

  
 HTML Validation: Using Character Encodings
Versions of HTML prior to HTML 4.0 supported a limited character set, only allowing those characters that could be encoded using ISO-8859-1.
The preferred method of indicating the encoding is by using the charset parameter of the Content-Type HTTP header.
A less preferred method of setting the character encoding is by using the following tag in the
www.htmlhelp.com /tools/validator/charset.html   (295 words)

  
 MySQL AB :: MySQL 5.0 Reference Manual :: 9.11 Character Sets and Collations That MySQL Supports
There is one subsection for each group of related character sets.
For each character set, the allowable collations are listed.
In cases where a character set has multiple collations, it might not be clear which collation is most suitable for a given application.
dev.mysql.com /doc/refman/5.0/en/charset-charsets.html   (174 words)

  
 VB Helper Tutorial: International Character Sets
Character Sets, simply said, are display mappings between byte or byte values and the actual character glyphs seen on the screen or printer.
The "Western" Character Set is the default for most Win installations and includes, basically, North and South America and parts of Western Europe.
Mind you, Character Sets are simplistic and not the complete answer: for example, Russia has hundreds of different dialects and languages...
www.vb-helper.com /tut11.htm   (865 words)

  
 C-Kermit 7.0 Case Study #14
The procedures and specific character sets are documented in Chapter 16 of
Lots of new character sets have been added, including many for Eastern Europe and the former Soviet Union, as well as those used for Greek.
And Unicode, the new Universal Character Set, which was discussed in a previous posting.
www.columbia.edu /kermit/case14.html   (1226 words)

  
 MySQL AB :: MySQL 5.0 Reference Manual :: 9.11.1 Unicode Character Sets
You can store text in about 650 languages using these character sets.
The MySQL implementation of UCS-2 stores characters in big-endian byte order and does not use a byte order mark (BOM) at the beginning of UCS-2 values.
is that it supports expansions; that is, when one character compares as equal to combinations of other characters.
dev.mysql.com /doc/refman/5.0/en/charset-unicode-sets.html   (464 words)

  
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www.collector-connection.com /birthday-party-supplies.html   (119 words)

  
 ISO 8859 Alphabet Soup
Characters 0 to 127 are always identical with
DEC Multinational Character Set used on the standard DEC VT-220 terminals:
Latin4 characters, dropped some symbols and the Latvian ŗ, added the last missing Inuit (Greenlandic Eskimo) and non-Skolt Sami (Lappish) letters and reintroduced the Icelandic ðýþ to cover the entire Nordic area.
www.czyborra.com /charsets/iso8859.html   (1564 words)

  
 Character Sets: Code Tables
In all tables listed here, only those characters which may be used in MARC 21 records are specified with their appropriate code values.
The numbers, punctuation marks, and symbols found in ASCII 21-3F, 5B, 5D (hex) and which are also, in full or in part, in the MARC-8 sets for Hebrew, Cyrillic, and Arabic are mapped to a single set of characters in UCS/Unicode.
This mapping was considered preferable to the use of the private use values for the duplicated characters.
lcweb.loc.gov /marc/specifications/specchartables.html   (389 words)

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