Re: [About Unicode] Why the symbol LOGICAL NOT is missingfrom
David Carlisle wrote: >>I've never heard of those... >> >> > >I take it you are not a mathematician. > >I don't read Arabic (or Hebrew or Russian or Chinese or several other >languages that don't use a latin alphabet), so I wouldn't >comment on the usability of the symbols used in those languages. >mathematics uses a very rich alphabet, perhaps you don't read >mathematics, which is fine, but in that case you probably shouldn't >comment on the usability of its alphabet. > > >for example > >http://www.unicode.org/charts/PDF/U2200.pdf > >(the upside down A for "forall" is the first character on that chart) > > > > >>it's not so much about like or dislike... but rather doing markup in such >>a way that the xml can easily handle what we do most... >> >> > >It's odd that you should say that as I thought you were proposing a data >format that looked a bit like XML but unable to be read by XML parsers >due to unescaped &'s?. > > > >>and for many that is transporting business data around the place. >> >> > >the original poster gave no indication that was what he was doing. >It was a perfectly reasonable question. >he had used LOGICAL AND and LOGICAL OR (which by the way look like ^ and >v more or less) presumably in a mathematical expression and was looking >for the not operator so searched for it (in vain) under the name >LOGICAL NOT which wasn't a bad guess. But the Unicode names of >characters (even characters used for expressing logic) have more to do >with history than logic and so this character is called NOT SIGN >so he didn't find it, hence the posted question. > > it always existed in ebcdic so i would have been very surprised if it couldn't be found..... >David >(Co chair of the W3C Math Interest Group, and co editor of the MathML >spec, so I have an interest in using Mathematical symbols in XML >documents:-) > > >________________________________________________________________________ >This e-mail has been scanned for all viruses by Star. 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 >________________________________________________________________________ > >----------------------------------------------------------------- >The xml-dev list is sponsored by XML.org <http://www.xml.org>, an >initiative of OASIS <http://www.oasis-open.org> > >The list archives are at http://lists.xml.org/archives/xml-dev/ > >To subscribe or unsubscribe from this list use the subscription >manager: <http://www.oasis-open.org/mlmanage/index.php> > > >!DSPAM:422850ac215881471720634! > > >
begin:vcard fn:Rick Marshall n:Marshall;Rick email;internet:rjm@z... tel;cell:+61 411 287 530 x-mozilla-html:TRUE version:2.1 end:vcard
PURCHASE STYLUS STUDIO ONLINE TODAY!
Purchasing Stylus Studio from our online shop is Easy, Secure and Value Priced!
Download The World's Best XML IDE!
Accelerate XML development with our award-winning XML IDE - Download a free trial today!
Subscribe in XML format