- From: David Carlisle <davidc@nag.co.uk>
- Date: Sun, 18 May 2014 22:06:00 +0100
- To: <www-math@w3.org>
- Message-ID: <537920B8.1000509@nag.co.uk>
On 17/05/2014 02:45, Shervin Afshar wrote: > Hello, > > I noticed that the Unicode sequences of more than one codepoints are > assigned to some entities which already had single Unicode codepoints > representation at the time of addition to MathML; e.g. "race" entity > from isoamsb set is mentioned as U+223D U+0331 (REVERSED TILDE, > COMBINING MACRON BELOW) while it can also be presented as U+22CD. Is > there any specific reason for this preference? > > Thanks. > > Shervin ↪ shervinafshar.name <http://www.shervinafshar.name> > Thanks for your comments, I suspect that one just got missed, sorry. We worked hard to get rid of most of the multiple character entities and the remaining ones (including race) are listed here http://www.w3.org/2003/entities/2007doc/#chars_math-multiple-tables Given that the original ISO definitions had no font mappings and just low resolution images, giving unicode definitions to the set was always something of a black art, with room for human error.... While I think it _could_ have been defined the way you suggest I don't think it should change now, it's been that way in mathml (and now html) for a long time, and 22CD, if you need it, already has two names bsime (from isaomsr) and backsimeq so adding a third name for that symbol wouldn't really help much and just lead to incompatible definitions being used. David
Received on Sunday, 18 May 2014 21:06:35 UTC