On Sun, 20 Feb 2022 at 13:12, Kornel Benko <kor...@lyx.org> wrote: > In unicodesymbols we find > > 0x025b "\\textepsilon" "tipa" ... > 0x03b5 "\\textepsilon" "textgreek" ... >
0x03b5 is a true epsilon (https://unicodemap.org/details/0x03B5/index.html), i.e. a letter in the Greek alphabet, while 0x025b is only something that looks like an epsilon (https://unicodemap.org/details/0x025b/index.html), an IPA symbol. For the latter (0x025b), it's rather an "open-mid front unrounded vowel" (according to https://upload.wikimedia.org/wikipedia/commons/8/8f/IPA_chart_2020.svg). Although the TIPA package is using \textepsilon to enter this character ( https://mirror.lyrahosting.com/CTAN/fonts/tipa/tipaman.pdf, page 33), so I'm not sure there's anything to correct. > 0x204e "\\textasteriskcentered" "textcomp" ... > 0x*2217* "\\textasteriskcentered" "textcomp" ... > According to Wikipedia (https://en.wikipedia.org/wiki/Asterisk), 0x204e is a "low asterisk" and 0x2217 is the "asterisk operator". It looks like \textasteriskcentered should output a 0x2217 (based my understanding of http://hevea.inria.fr/examples/test/sym.html) and \textasterisklow a 0x204e (https://www.johndcook.com/unicode_latex.html: it's recognised by MathGL http://mathgl.sourceforge.net/docs_v1/mathgl_en_10.html and STIX http://www.ams.org/STIX/bnb/stix-tbl-2006-10-18.asc). I'd say this is a mistake in unicodesymbols. For the math mode, these two symbols are found as \ast, I have no idea about the semantic difference with the character * (0x002a): probably more the operator, because it's usually used as times for calculators…
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