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A large portion of this code still exists in the java.text and java.util packages. Further internationalization features were added with each later release of Java. The Java internationalization classes were then ported to C++ and C [14] as part of a library known as ICU4C ("ICU for C"). The ICU project also provides ICU4J ("ICU for Java ...
Converts Unicode character codes, always given in hexadecimal, to their UTF-8 or UTF-16 representation in upper-case hex or decimal. Can also reverse this for UTF-8. The UTF-16 form will accept and pass through unpaired surrogates e.g. {{#invoke:Unicode convert|getUTF8|D835}} → D835.
"Arabunic : unicode <-> glyphs, 2 way converter". Java applet that convert glyphs to unicode (and unicode to glyphs). It accounts for ligatures, lam-alif, diacritics, etc. Scheherazade or Scheherazade New, an extended Arabic script font designed by SIL International, distributed under the SIL Open Font License (OFL)
UTF-16 (16-bit Unicode Transformation Format) is a character encoding that supports all 1,112,064 encodable code points of Unicode. [1] The encoding is variable-length as code points are encoded with one or two 16-bit code units.
Unicode was designed to provide code-point-by-code-point round-trip format conversion to and from any preexisting character encodings, so that text files in older character sets can be converted to Unicode and then back and get back the same file, without employing context-dependent interpretation.
The default string primitive in Go, [50] Julia, Rust, Swift (since version 5), [51] and PyPy [52] uses UTF-8 internally in all cases. Python (since version 3.3) uses UTF-8 internally for Python C API extensions [53] [54] and sometimes for strings [53] [55] and a future version of Python is planned to store strings as UTF-8 by default.
The term string also does not always refer to a sequence of Unicode characters, instead referring to a sequence of bytes. For example, x86-64 has string instructions to move, set, search, or compare a sequence of items, where an item could be 1, 2, 4, or 8 bytes long. [26]
A numeric character reference refers to a character by its Universal Character Set/Unicode code point, and a character entity reference refers to a character by a predefined name. A numeric character reference uses the format &#nnnn; or &#xhhhh; where nnnn is the code point in decimal form, and hhhh is the code point in hexadecimal form.