Encodings

Computing codes : 1 Also for encodings based on ASCII, including the DOS, Windows, ISO-8859 and Macintosh families of encodings.

In order to allow encodings not backwards compatible with ASCII, browsers must be able to parse declarations in such encodings.

There are a number of predefined encodings, including WinAnsi, MacRoman, and a large number of encodings for East Asian languages, and a font can have its own built-in encoding.

A "code page" usually means a byte-oriented encoding, but with regard to some suite of encodings (covering different scripts), where many characters share the same codes in most or all those code pages.

Although a great deal of text is still stored in legacy encodings, Unicode is used almost exclusively for building new information processing systems.

Although often said to be obsolete, in fact the half-width katakana are still used in many systems and encodings.

Although these encodings are sometimes referred to as ASCII, true ASCII is defined strictly only by the ANSI standard.

Another factor contributing in the same direction, is the arrival of UTF-8 — which greatly diminishes the need for other encodings, and thus modern editors tends to default, as recommended by the HTML5 specification, citation to UTF-8.

As the name implies, this type of Gray code uses non-Boolean values in its encodings.

As Unicode-enabled operating systems became more widespread, ISO/IEC 8859 and other legacy encodings became less popular.

Backward compatibility (such as the ability of newer systems to handle legacy file formats and character encodings ) is a goal that software developers often include in their work.

Character encodings main Probably the most widely known data communications code so far (a.

Character references main In addition to native character encodings, characters can also be encoded as character references, which can be numeric character references ( decimal or hexadecimal ) or character entity references.

Computer systems therefore offer distinct encodings for them.

Disadvantages * UTF-8 encoded text is larger than specialized single-byte encodings except for plain ASCII characters.

E0 and F0 could start overlong encodings, in this cast the lowest non-overlong-encoded code point is shown, marked by an asterisk "*".

Encoding detection The Unicode character set can be encoded into bytes for storage or transmission in a variety of different ways, called "encodings".

Encodings were detected by examining the text, not from the encoding tag in the header, citation and were sorted to the least inclusive set; citation thus, ASCII text tagged as UTF-8 or ISO-8859-1 is identified as ASCII.

For a browser from a location where legacy multi-byte character encodings are prevalent, some form of auto-detection is likely to be applied.

For that function, it also plays the same role of filler as the Delete code in ASCII (and in other 7-bit or 8-bit encodings, including EBCDIC for punched cards).