On 12 Jul 2012, at 19:24, Jukka K. Korpela wrote: > 2012-07-12 19:31, Asmus Freytag wrote: > >> I don't see any problem in amending the proposed annotations >> >> U+003A COLON >> * also used to denote division or scale, for that usage 2236 : RATIO is >> preferred in mathematical use >> U+2236 RATIO >> * Used in preference to 003A : to denote division or scale in >> mathematical use > > I see a big problem here: why would the Unicode Standard take a position on > mathematical use in a manner that strongly conflicts with the ISO and IEC > standard on mathematical notations? The ISO 80000-2 standard (also issued as > IEC standard) designates U+003A as a character used for ratios.
The glyphs might be typeset differently with respect to fonts. So those should be hints as to what use in a mathematical context. Hans
