- From: Stan Devitt <jsdevitt@stratumtek.ca>
- Date: Thu, 23 Jan 2003 09:35:45 -0500 (EST)
- To: davidc@nag.co.uk (David Carlisle)
- Cc: Michael.McCarthy@solcorp.com, www-math@w3.org
At very least, the example now encourages less than optimal encodings. It might be less controversial if a different greek letter had been chosen, but I also think the points raised in this dicusssion remain valid. Stan. > > > > 1) if the intention is to refer to a symbol called 'pi', then the > appropriate mechanism is to use the <csymbol/> element instead of using the > <cn/> element > 2) this constant is already defined as <pi/> > > I think that's probably true (now). The example dates from mathml 1 which > didn't have either <csymbol> or <pi/>. So as you commented, it's > definitely still legal but I think almost all the uses for which > <cn type="constant" was intended could better be done with the newer > MathML2 Content elements such as <pi/> or with <csymbol>. so this usage > probably should be deprecated. (Now is a good time to raise such issues > as we are working on a draft of mathml2 2nd edition....) > > Since the grammar does not say what type="constant" means, > > The grammar doesn't, but 4.3.2.9 on the type attribute does say more > about this (and would need changing if your suggestion to deprecate this > usage was accepted). > > > David > (personal opinion: not discussed this with the other WG members yet) > > ________________________________________________________________________ > This e-mail has been scanned for all viruses by Star Internet. The > service is powered by MessageLabs. For more information on a proactive > anti-virus service working around the clock, around the globe, visit: > http://www.star.net.uk > ________________________________________________________________________ >
Received on Thursday, 23 January 2003 09:29:38 UTC