- char-set:symbolconstant
In Unicode, a symbol is any character that has one of the symbol categories in the Unicode character database (Sm, Sc, Sk, or So). There are nine ASCII symbol characters:
$+<=>^`|~
Latin-1 adds 18 more:
00A2 CENT SIGN 00A3 POUND SIGN 00A4 CURRENCY SIGN 00A5 YEN SIGN 00A6 BROKEN BAR 00A7 SECTION SIGN 00A8 DIAERESIS 00A9 COPYRIGHT SIGN 00AC NOT SIGN 00AE REGISTERED SIGN 00AF MACRON 00B0 DEGREE SIGN 00B1 PLUS-MINUS SIGN 00B4 ACUTE ACCENT 00B6 PILCROW SIGN 00B8 CEDILLA 00D7 MULTIPLICATION SIGN 00F7 DIVISION SIGN