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Also, extra extra unnecessary knowledge: The symbol for the Ångström unit has a different Unicode encoding than the capital "Å", in the same way that the Ohm sy
by henrikschroder 9y ago
Also, extra extra unnecessary knowledge: The symbol for the Ångström unit has a different Unicode encoding than the capital "Å", in the same way that the Ohm symbol "Ω" is different from Greek capital omega. "W" for Watt doesn't have it's own codepoint in Unicode though, so that's arbitrary.
- weinzierl 9y agoThis has only been allowed into Unicode for compatibility with older encodings and is sort of an exception. > Multiple Semantics. Because nonspacing combining marks have such a wide variety of applications, they may have multiple semantic values. For example, U+0308 = diaeresis = trema = umlaut = double derivative. Such multiple functions for a single combining mark are not separately encoded in the standard. [..] > Occasionally, for compatibility with other standards, a single abstract character may correspond to more than one code point—for example, “Å” corresponds both to U+00C5 Å latin capital letter a with ring above and to U+212B Å angstrom sign. Both quotes from Unicode Standard 10.0: http://www.unicode.org/versions/Unicode10.0.0/UnicodeStandard-10.0.pdf http://www.unicode.org/versions/Unicode10.0.0/UnicodeStandar...