Symbols For Legacy Computing Supplement
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Symbols For Legacy Computing Supplement
Symbols for Legacy Computing Supplement is a Unicode block containing additional graphic characters that were used for various home computers from the 1970s and 1980s, extending the set of characters provided by the Symbols for Legacy Computing block. It includes characters from Amstrad CPC, Apple II, Apple 8-bit, Kaypro CP/M, Mattel Aquarius, Ohio Scientific, Robotron KC 85, Robotron KC, Sharp MZ computers, HP Inc., HP terminals, and TRS-80. It includes a set of semigraphics in the form of 230 "octant" characters, large images split into four "characters", and the "large type" characters used for building large text characters. Block History The following Unicode-related documents record the purpose and process of defining specific characters in the Symbols for Legacy Computing Supplement block: Implementation The glyphs for the ''Symbols for Legacy Computing Supplement'' block have been added to the Cascadia Code (2404.03 release or later), GNU Unifont (version 16.0.01 ...
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Script (Unicode)
In Unicode, a script is a collection of Letter (alphabet), letters and other written signs used to represent textual information in one or more writing systems. Some scripts support only one writing system and Written language, language, for example, Armenian language, Armenian. Other scripts support many different writing systems; for example, the Latin script in Unicode, Latin script supports English alphabet, English, French alphabet, French, German alphabet, German, Italian alphabet, Italian, Vietnamese language, Vietnamese, Latin alphabet, Latin itself, and several other languages. Some languages make use of multiple alternate writing systems and thus also use several scripts; for example, in Turkish language, Turkish, the Ottoman Turkish alphabet, Arabic script was used before the 20th century but transitioned to Latin in the early part of the 20th century. More or less complementary to scripts are Unicode symbols, symbols and Unicode control characters. The unified Combi ...
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Semigraphics
Text-based semigraphics, pseudographics, or character graphics is a primitive method used in early text mode video hardware to emulate raster graphics without having to implement the logic for such a display mode. There are two different ways to accomplish the emulation of raster graphics. The first one is to create a low-resolution all points addressable mode using a set of special characters with all binary combinations of a certain subdivision matrix of the text mode character size; this method is referred to as block graphics, or sometimes mosaic graphics. The second one is to use special shapes instead of glyphs (letters and figures) that appear as if drawn in raster graphics mode, sometimes referred to as semi- or pseudo-graphics; an important example of this is box-drawing characters. Semigraphical characters (including some block elements) are still incorporated into the BIOS of any VGA compatible video card, so any PC can display these characters from the moment it ...
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Halfwidth And Fullwidth Forms (Unicode Block)
Halfwidth and Fullwidth Forms is a Unicode block U+FF00–FFEF, provided so that older encodings containing both halfwidth and fullwidth characters can have lossless translation to/from Unicode. It is the second-to-last block of the Basic Multilingual Plane, followed only by the short Specials block at U+FFF0–FFFF. Its block name in Unicode 1.0 was Halfwidth and Fullwidth Variants. Range U+FF01–FF5E reproduces the characters of ASCII 21 to 7E as fullwidth forms. U+FF00 does not correspond to a fullwidth ASCII 20 (space character), since that role is already fulfilled by U+3000 " ideographic space". Range U+FF61–FF9F encodes halfwidth forms of katakana and related punctuation in a transposition of A1 to DF in the JIS X 0201 encoding – see half-width kana. The range U+FFA0–FFDC encodes halfwidth forms of compatibility jamo characters for Hangul, in a transposition of their 1974 standard layout. It is used in the mapping of some IBM encodings for K ...
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Geometric Shapes (Unicode Block)
Geometric Shapes is a Unicode block of 96 symbols at code point range U+25A0–25FF. Font coverage Font sets like Code2000 and the DejaVu fonts, DejaVu family include coverage for each of the glyphs in the Geometric Shapes range. GNU Unifont, Unifont also contains all the glyphs. Among the fonts in widespread use, full implementation is provided by Segoe UI Symbol and significant partial implementation of this range is provided by Arial Unicode MS and Lucida Sans Unicode, which include coverage for 83% (80 out of 96) and 82% (79 out of 96) of the symbols, respectively. Block Emoji The Geometric Shapes block contains eight emoji: U+25AA–U+25AB, U+25B6, U+25C0 and U+25FB–U+25FE. The block has sixteen Variant form (Unicode), standardized variants defined to specify emoji-style (U+FE0F VS16) or text presentation (U+FE0E VS15) for the eight emoji. History The following Unicode-related documents record the purpose and process of defining specific characters in the Geometri ...
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Block Elements
Block Elements is a Unicode block containing square block symbols of various fill and shading. Used along with block elements are box-drawing characters, shade characters, and terminal graphic characters. These can be used for filling regions of the screen and portraying drop shadows. Its block name in Unicode 1.0 was Blocks. Character table Font coverage Font sets like Code2000 and the DejaVu family include coverage for each of the glyphs in the Block Elements range. Unifont also contains all the glyphs. Among the fonts in widespread use, full implementation is provided by Segoe UI Symbol. The glyphs in Block Elements each share the same character width in most supported fonts, allowing them to be used graphically in row and column arrangements. However, the block does not contain a space character of its own and ASCII space may or may not render at the same width as Block Elements glyphs, as those characters are intended to be used exclusively for monospaced fonts. Co ...
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Box Drawing
Box Drawing is a Unicode block containing characters for compatibility with legacy graphics standards that contained characters for making bordered charts and tables, i.e. box-drawing characters. Its block name in Unicode 1.0 was Form and Chart Components. Block See also * Box-drawing characters * Code page 437 * Dingbat * Semigraphics (or pseudographics) * other Unicode blocks ** Block Elements ** Geometric Shapes ** Halfwidth and Fullwidth Forms ** Symbols for Legacy Computing Symbols for Legacy Computing is a Unicode block containing graphic characters that were used for various home computers from the 1970s and 1980s and in teletext broadcasting standards. It includes characters from the Amstrad CPC, MSX, Mattel Aqua ... References {{Unicode navigation Unicode blocks ...
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Dingbat
In typography, a dingbat (sometimes more formally known as a printer's ornament or printer's character) is an ornament, specifically, a glyph used in typesetting, often employed to create box frames (similar to box-drawing characters), or as a dinkus (section divider). Some of the dingbat symbols have been used as signature marks or used in bookbinding to order sections. In the computer industry, a dingbat font or pi font is a computer font that has symbols and shapes located at the code points normally designated for alphabetical or numeric characters. This practice was necessitated by the limited number of code points available in 20th century operating systems. Modern computer fonts containing dingbats are based on Unicode encoding, which has unique code points for dingbat glyphs. Examples Examples of characters included in Unicode ( ITC Zapf Dingbats series 100 and others): Dingbats Unicode block Unicode provides code points for many commonly used dingbats, a ...
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Box-drawing Characters
Box-drawing characters, also known as line-drawing characters, are a form of semigraphics widely used in text user interfaces to draw various geometric frames and boxes. These characters are characterized by being designed to be connected horizontally and/or vertically with adjacent characters, which requires proper alignment. Box-drawing characters therefore typically only work well with monospaced fonts. In graphical user interfaces, these characters are much less useful as it is simpler to draw lines and rectangles directly with graphical APIs. However, they are still useful for command-line interfaces and plaintext Comment (computer programming), comments within source code. Some recent embedded systems also use proprietary character sets, usually extensions to ISO 8859 character sets, which include box-drawing characters or other special symbols. Other types of box-drawing characters are block elements, shade characters, and terminal graphic characters; these can be used ...
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Iosevka
This list of monospaced typefaces details standard monospaced fonts used in classical typesetting and printing Printing is a process for mass reproducing text and images using a master form or template. The earliest non-paper products involving printing include cylinder seals and objects such as the Cyrus Cylinder and the Cylinders of Nabonidus. The .... See also * List of display typefaces * List of sans serif typefaces * List of script typefaces * List of serif typefaces References {{DEFAULTSORT:List of monospaced typefaces Monospace Monospace ...
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GNU Unifont
GNU Unifont is a free Unicode bitmap font created by Roman Czyborra. The main Unifont covers all of the Basic Multilingual Plane (BMP). The "upper" companion covers significant parts of the Supplementary Multilingual Plane (SMP). The "Unifont JP" companion contains Japanese kanji present in the JIS X 0213 character set. It is present in most free operating systems and windowing systems such as Linux, XFree86 or the X.Org Server, some embedded firmware such as RockBox, as well as in Minecraft Java Edition. The source code is released under the GNU General Public License, GPL-2.0-or-later license. The font is released under the GNU General Public License, GPL-2.0-or-later license with GPL font exception, Font-exception-2.0 (embedding the font in a document does not require the document to be placed under the same license); and from version 13.0.04, dual-licensed under SIL Open Font License, SIL Open Font License 1.1. The manual is released under the GNU Free Documentation License, ...
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Cascadia Code
Cascadia Code is a purpose-built monospaced TrueType font for Windows Terminal. It includes programming ligatures and was designed to enhance the look and feel of Windows Terminal, terminal applications and text editors such as Visual Studio and Visual Studio Code. The font is open source under the SIL Open Font License and available on GitHub. It has been bundled with Windows Terminal since version 0.5.2762.0. Font family Multiple typefaces are part of the Cascadia Code font family, representing a variety of text styling options and adjustable weights. The main and Powerline variants of the types are suitable as display fonts. With the exception of Cascadia Mono, all types replace common character combinations with their elided counterparts. Other styles supported by this font family include textual arrows and stylistic sets for italics, alternate graphics, alternate control character glyphs, and a cursive form of italic. Tables of the supported styles and more examples can be ...
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International Committee For Information Technology Standards
The InterNational Committee for Information Technology Standards (INCITS), (pronounced "insights"), is an ANSI-accredited standards development organization composed of Information technology developers. It was formerly known as the X3 and NCITS. INCITS is the central U.S. forum dedicated to creating technology standards. INCITS is accredited by the American National Standards Institute (ANSI) and is affiliated with the Information Technology Industry Council, a global policy advocacy organization that represents U.S. and global innovation companies. INCITS coordinates technical standards activity between ANSI in the US and joint ISO The International Organization for Standardization (ISO ; ; ) is an independent, non-governmental, international standard development organization composed of representatives from the national standards organizations of member countries. Me .../ IEC committees worldwide. This provides a mechanism to create standards that will be implemen ...
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