In html and xml, a numeric character reference refers to a character by its universal coded character set / unicode code point, and uses the format Where the x must be lowercase in xml documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form The hhhh (or nnnn) may be any number of hexadecimal (or decimal) digits and may include. As of unicodeversion 17.0, there are 297,334 assigned characterswith code points, covering 172 modern and historical scripts, as well as multiple symbol sets While hypertext markup language (html) has been in use since 1991, html 4.0 from december 1997 was the first standardized version where international characters were given reasonably complete treatment. Miscellaneous technical is a unicode block ranging from u+2300 to u+23ff
It contains various common symbols which are related to and used in the various technical, programming language, and academic professions Symbol ⌂ (html hexadecimal code is ⌂) represents a house or a home Symbol ⌘ (⌘) is a place of interest sign It may be used to represent the command key on a. This page lists codes for keyboard characters, the computer code values for common characters, such as the unicode or html entity codes (see below Table of html values ).
For example, the character é (small e with acute accent, html entity code é) can be obtained by pressing alt + 1 3 0
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