From: Paul Topping <pault@dessci.com>

Date: Wed, 6 Aug 2003 16:34:11 -0700

Message-ID: <46566A3075DDD311969100E0811031EC024A368D@euclid.dessci>

To: Robert Miner <RobertM@dessci.com>, jpederse@wiley.com

Cc: www-math@w3.org

Date: Wed, 6 Aug 2003 16:34:11 -0700

Message-ID: <46566A3075DDD311969100E0811031EC024A368D@euclid.dessci>

To: Robert Miner <RobertM@dessci.com>, jpederse@wiley.com

Cc: www-math@w3.org

MathType also has a sort of "not" strikeout that is like NE/SW but the angle is more nearly vertical and doesn't vary from use to use like the corner to corner ones do. It is a sort of generalized negation. This is only available as an embellishment however, not as a template. We should also define how these compose. It should be possible to cross-out a circled expression. Would this be done as: <menclose notation="circle"> <menclose notation="nesw_strikeout"> ... </menclose> </menclose> or <menclose notation="circle nesw_strikeout"> ... </menclose> If we do the former, we would somehow have to handle this properly in the implementation to prevent double application of the extension of the cross-out lines outside of the bounding box of its contents. Of course, if we think that sometimes that is desirable, then we have an ambiguity to resolve. I vote for the latter -- it is easier to implement and more flexible. Only certain notation values would be allowed to be composed. A struck-out long division would require nested mencloses. Paul ---------------------------------------------------------------- Paul Topping email: pault@dessci.com phone: 562-433-0685 Design Science, Inc. http://www.dessci.com "How Science Communicates" MathType, WebEQ, MathPlayer, Equation Editor, TeXaide ---------------------------------------------------------------- > -----Original Message----- > From: Robert Miner [mailto:RobertM@dessci.com] > Sent: Wednesday, August 06, 2003 3:15 PM > To: jpederse@wiley.com > Cc: www-math@w3.org > Subject: menclose > > > > > Hi John, > > I'm trying to nail down a list of candidates for new menclose > values. Does this sound right? > > NE/SW strikeout > NW/SE strikeout > horizontal strikeout > box > circle > > Actuarial notation is one of the current values, but it is only > one of the four possible "corners" of a box. MathType does > all four, so I would be for adding > > NE corner > SE corner > SW corner > NW corner > > as well. Obviously "NE corner" duplicates "actuarial" but if > I let little things like that start bothering me, it is > definitely time to get out of the MathML biz :-). > > Anyway, if this is the list, we can start trying to come up > with some names. > > --Robert > > ------------------------------------------------------------------ > Dr. Robert Miner RobertM@dessci.com > MathML 2.0 Specification Co-editor 651-223-2883 > Design Science, Inc. "How Science Communicates" www.dessci.com > ------------------------------------------------------------------ > >Received on Wednesday, 6 August 2003 19:40:07 GMT

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