In other words, Unicode represents a character in an abstract way and leaves the visual rendering (size, shape, font, or style) to other software, such as a web browser or word processor.
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In text processing, Unicode takes the role of providing a unique code point-a number, not a glyph-for each character. In the case of Chinese characters, this sometimes leads to controversies over distinguishing the underlying character from its variant glyphs (see Han unification). Unicode, in intent, encodes the underlying characters- graphemes and grapheme-like units-rather than the variant glyphs (renderings) for such characters. Many traditional character encodings share a common problem in that they allow bilingual computer processing (usually using Latin characters and the local script), but not multilingual computer processing (computer processing of arbitrary scripts mixed with each other). Unicode has the explicit aim of transcending the limitations of traditional character encodings, such as those defined by the ISO/IEC 8859 standard, which find wide usage in various countries of the world but remain largely incompatible with each other. 4.2 Italic or cursive characters in Cyrillic.2.5 Ready-made versus composite characters.The most common encodings are the ASCII-compatible UTF-8, the obsolete UCS-2, the UCS-2-compatible UTF-16, and GB18030 which is not an official Unicode standard but is used in China and implements Unicode fully. The Unicode standard defines three and several other encodings exist, all in practice variable-length encodings. Unicode can be stored using several different encodings, which translate the character codes into sequences of bytes. The Standard also includes reference data files and visual charts to help developers and designers correctly implement the repertoire.
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Alongside the character encodings, the Consortium's official publication includes a wide variety of details about the scripts and how to display them: normalization rules, decomposition, collation, rendering, and bidirectional text display order for multilingual texts, and so on. The Unicode Standard, however, includes more than just the base code. The Unicode character repertoire is synchronized with ISO/IEC 10646, each being code-for-code identical with the other. The standard has been implemented in many recent technologies, including modern operating systems, XML, and most modern programming languages. Unicode's success at unifying character sets has led to its widespread and predominant use in the internationalization and localization of computer software. The standard, which is maintained by the Unicode Consortium, defines 144,697 characters covering 159 modern and historic scripts, as well as symbols, emoji, and non-visual control and formatting codes.
Unicode, formally The Unicode Standard is an information technology standard for the consistent encoding, representation, and handling of text expressed in most of the world's writing systems. Without proper rendering support, you may see question marks, boxes, or other symbols. This article contains uncommon Unicode characters.
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