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The Unicode Standard permits the BOM in UTF-8, [4] but does not require or recommend its use. [5] UTF-8 always has the same byte order, [6] so its only use in UTF-8 is to signal at the start that the text stream is encoded in UTF-8, or that it was converted to UTF-8 from a stream that contained an optional BOM. The standard also does not ...
The nonet encodings UTF-9 and UTF-18 are April Fools' Day RFC joke specifications, although UTF-9 is a functioning nonet Unicode transformation format, and UTF-18 is a functioning nonet encoding for all non-Private-Use code points in Unicode 12 and below, although not for Supplementary Private Use Areas or portions of Unicode 13 and later.
UTF-8 byte order mark, ... after BOM: xml (UTF-8 or other 8-bit encodings) ... DeskMate Worksheet 0F 53 49 42 45 4C 49 55 53 āSIBELIUS: 0 sib
UTF-8 is a character encoding standard used for electronic communication. Defined by the Unicode Standard, the name is derived from Unicode Transformation Format – 8-bit. [1] Almost every webpage is stored in UTF-8. UTF-8 supports all 1,112,064 [2] valid code points using a variable-width encoding of one to four one-byte (8-bit) code units.
For UTF-8, the BOM is optional, while it is a must for the UTF-16 and the UTF-32 encodings. (Note: UTF-16 and UTF-32 without the BOM are formally known under different names, they are different encodings, and thus needs some form of encoding declaration – see UTF-16BE, UTF-16LE, UTF-32LE and UTF-32BE.) The use of the BOM character (U+FEFF ...
The Universal Coded Character Set (UCS, Unicode) is a standard set of characters defined by the international standard ISO/IEC 10646, Information technology — Universal Coded Character Set (UCS) (plus amendments to that standard), which is the basis of many character encodings, improving as characters from previously unrepresented writing systems are added.
The sentence that starts, “One reason the UTF-8 BOM is not recommended” does not imply that the Unicode standard recommends against using a BOM. It merely means that the Unicode standard does not recommend for using a BOM for UTF-8 and gives an example of why Unicode’s recommendation was formulated the way it is. The Unicode caution may ...
8 Control-S has been used to tell a host computer to postpone sending output to the terminal. Output is suspended until restarted by the Control-Q key. 9 Control-U was originally used by Digital Equipment Corporation computers to cancel the current line of typed-in text. Other manufacturers used Control-X for this purpose.