Unicode compatibility characters: Difference between revisions

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Semantically distinct characters: add requested citation
Compatibility mappings types: drop claim tagged as original research
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* Other letter-like symbols (10): information source (ℹ U+2139), account of (℀ U+2100), addressed to the subject (℁ U+2101), care of (℅ U+2105), cada una (℆ U+2106), [[Numero sign|numero]] (№ U+2116), telephone sign (℡ U+2121), facsimile sign (℻ U+213B), trademark (™ U+2122), service mark (℠ U+2120)
 
In addition, several scripts use glyph position such as superscripts and subscripts to differentiate semantics. In these cases subscripts and superscripts are not merely rich text, but constitute a distinct character — similar to a hybrid between a diacritic and a letter{{Original research inline|date=January 2012}}<!-- are they [[Spacing modifier character]]s or what? there is no example, so we should guess author's intentions. --> — in the writing system (130 total).
 
* 112 characters representing abstract phonemes from phonetic alphabets such as the [[International Phonetic Alphabet]] use such positional glyphs to represent semantic differences (U+1D2C – U+1D6A, U+1D78, U+1D9B – U+1DBF, U+02B0 – U+02B8, U+02E0 – U+02E4)