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Among the fonts in widespread use, [6] [7] 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 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. [3]
In version 16.0 (September 2024), Unicode was extended with another block containing many graphics characters, Symbols for Legacy Computing Supplement, which includes a few box-drawing characters and other symbols used by obsolete operating systems (mostly from the 1970s and 1980s).
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 .
Unicode's U+FEFF ZERO WIDTH NO-BREAK SPACE character can be inserted at the beginning of a Unicode text to signal its endianness: a program reading such a text and encountering 0xFFFE would then know that it should switch the byte order for all the following characters. Its block name in Unicode 1.0 was Special. [5]
In all braille systems, the braille pattern dots-0 is used to represent a space or the lack of content. [1] In particular some fonts display the character as a fixed-width blank.
The Enclosed Alphanumeric Supplement block contains 41 emoji: U+1F170, U+1F171, U+1F17E, U+1F17F, U+1F18E, U+1F191 – U+1F19A and U+1F1E6 – U+1F1FF. [3] [4]The block has eight standardized variants defined to specify emoji-style (U+FE0F VS16) or text presentation (U+FE0E VS15) for the following four base characters: U+1F170, U+1F171, U+1F17E & U+1F17F. [5]
Geometric Shapes Extended is a Unicode block containing Webdings/Wingdings symbols, mostly different weights of squares, crosses, and saltires, and different weights of variously spoked asterisks, stars, and various color squares and circles for emoji.