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Rather, older 8-bit encodings such as ASCII or ISO-8859-1 are still used, forgoing Unicode support entirely, or UTF-8 is used for Unicode. [citation needed] One rare counter-example is the "strings" file introduced in Mac OS X 10.3 Panther, which is used by applications to lookup internationalized versions of messages. By default, this file is ...
UTF-8 is also the recommendation from the WHATWG for HTML and DOM specifications, and stating "UTF-8 encoding is the most appropriate encoding for interchange of Unicode" [4] and the Internet Mail Consortium recommends that all e‑mail programs be able to display and create mail using UTF-8.
UTF-16 uniquely encodes all Unicode characters in the Basic Multilingual Plane (BMP) using 16 bits but the remaining Unicode (e.g. emojis) is encoded with a 32-bit (four byte) code – while the rest of the industry (Unix-like systems and the web), and now Microsoft chose UTF-8 (which uses one byte for the 7-bit ASCII character set, two or ...
ANSI, OEM, EBCDIC, ASCII, custom No No No Yes Yes Yes Yes Yes UltraEdit >4 GiB Yes No No No No Yes ANSI, OEM, EBCDIC, ASCII, Mac, Unix, UTF-8 Yes No No Yes Yes Yes WinHex: Unlimited [citation needed] Yes Yes Yes Yes Yes Partial support of these formats: ANSI, UNICODE, OEM, UTF-8/UTF-16, EBCDIC, ASCII: Yes 44 [17] [18] Only x86 Intel opcodes Yes
Microsoft was one of the first companies to implement Unicode in their products. Windows NT was the first operating system that used "wide characters" in system calls.Using the (now obsolete) UCS-2 encoding scheme at first, it was upgraded to the variable-width encoding UTF-16 starting with Windows 2000, allowing a representation of additional planes with surrogate pairs.
Due to Unicode's extensive documentation, vast repertoire of characters and stability policy of characters, the problems listed above are rarely a concern for Unicode. UTF-8 (which can encode over one million codepoints) has replaced the code-page method in terms of popularity on the Internet.
In many Unicode fonts, only the subset that is also available in the IBM PC character set (see below) will exist, due to it being defined as part of the WGL4 character set. Box Drawing [1] Official Unicode Consortium code chart (PDF)
The same character converted to UTF-8 becomes the byte sequence EF BB BF. The Unicode Standard allows the BOM "can serve as a signature for UTF-8 encoded text where the character set is unmarked". [74] Some software developers have adopted it for other encodings, including UTF-8, in an attempt to distinguish UTF-8 from local 8-bit code pages.