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The Joliet file system, used in CD-ROM media, encodes file names using UCS-2BE (up to sixty-four Unicode characters per file name). Python version 2.0 officially only used UCS-2 internally, but the UTF-8 decoder to "Unicode" produced correct UTF-16. There was also the ability to compile Python so that it used UTF-32 internally, this was ...
The system deliberately leaves many code points not assigned to characters, even in the BMP. It does this to allow for future expansion or to minimise conflicts with other encoding forms. The original edition of the UCS defined UTF-16, an extension of UCS-2, to represent code points outside the BMP. A range of code points in the S (Special ...
To encode characters outside of the BMP (unreachable in plain UCS-2), such as Emoji, UTF-16 uses surrogate pairs, which when decoded with UCS-2 would appear as two valid but unmapped code points. A single SMS GSM message using this encoding can have at most 70 characters (140 octets).
Template documentation This template shows pages to do with character encodings. Editors can experiment in this template's sandbox ( create | mirror ) and testcases ( create ) pages.
The numbers in the names of the encodings indicate the number of bits per code unit (for UTF encodings) or the number of bytes per code unit (for UCS encodings and UTF-1). UTF-8 and UTF-16 are the most commonly used encodings. UCS-2 is an obsolete subset of UTF-16; UCS-4 and UTF-32 are functionally equivalent. UTF encodings include:
Infobox template for character encodings, character sets, code pages et cetera. While the difference between a coded character set and a character encoding is clear in a Unicode context (UTF-8 and UTF-16 are different encodings for the same set), the difference is often blurred immensely by legacy encodings. For example, so-called "WinLatin-1" is a de facto extension of the "Latin-1" (ISO 885
The Unicode Consortium and the ISO/IEC JTC 1/SC 2/WG 2 jointly collaborate on the list of the characters in the Universal Coded Character Set.The Universal Coded Character Set, most commonly called the Universal Character Set (abbr. UCS, official designation: ISO/IEC 10646), is an international standard to map characters, discrete symbols used in natural language, mathematics, music, and other ...
English: In two-base encoding, each unique pair of bases on the 3' end of the probe is assigned one out of four possible colors. For example, "AA" is assigned to blue, "AC" is assigned to green, and so on for all 16 unique pairs.