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In order to support all Unicode characters without resorting to numeric character references, a web page must have an encoding covering all of Unicode. The most popular is UTF-8, where the ASCII characters, such as English letters, digits, and some other common characters are preserved unchanged against ASCII.
In computing, a code page is a character encoding and as such it is a specific association of a set of printable characters and control characters with unique numbers. Typically each number represents the binary value in a single byte. (In some contexts these terms are used more precisely; see Character encoding § Character sets, character ...
To use Unicode in certain email header fields, e.g. subject lines, sender and recipient names, the Unicode text has to be encoded using a MIME "Encoded-Word" with a Unicode encoding as the charset. To use Unicode in domain part of email addresses, IDNA encoding must traditionally be used.
As of 2009 InPage has become Unicode based, supporting more languages, and the Faiz Lahori Nastaliq font with Kasheeda has been added to it along with compatibility with OpenType Unicode fonts. Nastaliq Kashish [ clarification needed ] has been made for the first time [ clarification needed ] in the history of Nastaliq Typography.
The most reliable method is to turn offUNICODE, notmark the input file as being UTF-8 (i.e. do not use a BOM), and arrange the string constants to have the UTF-8 bytes. If a BOM was added, a Microsoft compiler will interpret the strings as UTF-8, convert them to UTF-16, then convert them backinto the current locale, thus destroying the UTF-8.
BOCU-1 and SCSU are two ways to compress Unicode data. Their encoding relies on how frequently the text is used. Most runs of text use the same script; for example, Latin, Cyrillic, Greek and so on. This normal use allows many runs of text to compress down to about 1 byte per code point.
The main difference between this encoding and UTF-8 is that it allows Unicode code points U+0080 through U+009F (the C1 control codes) to be represented as a single byte and therefore later mapped to corresponding EBCDIC control codes.