From: Neil Soiffer <Neils@dessci.com>

Date: Sat, 19 Apr 2008 13:28:01 -0700

Message-ID: <d98bce170804191328w23049808rd6f858f9d5d44610@mail.gmail.com>

To: "Eliot Kimber" <ekimber@reallysi.com>

Cc: www-html@w3.org, "Public MathML mailing list" <www-math@w3.org>

Received on Saturday, 19 April 2008 20:28:37 UTC

Date: Sat, 19 Apr 2008 13:28:01 -0700

Message-ID: <d98bce170804191328w23049808rd6f858f9d5d44610@mail.gmail.com>

To: "Eliot Kimber" <ekimber@reallysi.com>

Cc: www-html@w3.org, "Public MathML mailing list" <www-math@w3.org>

On Fri, Apr 18, 2008 at 10:33 AM, Eliot Kimber <ekimber@reallysi.com> wrote: > > > I'm working with education publishers on developing XML representations of > things like textbooks and test prep manuals. These publishers are using > primarily InDesign with InMath to author their equations. I can capture the > raw InDesign data and InMath is working on an XML representation that > captures the structure of the equations in a form that is almost MathML > presentation. > > But, one sticking point is the representation of equations with canceled > terms, such as fractions where common terms are shown canceled with a > diagonal strike out. > > My understanding from reading the MathML 2 spec is that this can be > represented using the menclose element with a notation of "updiagonalstrike" > or "downdiagonalstrike". However, it's not rendered in Firefox and I can't > MathType or Amaya to create anything other than a long division type > enclosure. > > My questions are: > > 1. is my understanding of menclose and *diagonalstrike correct in that > this is the intended way to represent strikeouts in MathML? Yes, that is correct. > > > 2. Is there any MathML renderer that will render diagonal strikeouts > today? > > MathPlayer, the free plug-in for IE so that it renders MathML (and makes it accessible) handles them all. I've attached a screen shot (the last two examples are nested mencloses). Hopefully as MathML approaches the time for implementors to do implementations, Firefox will have a flurry of activity and missing features such as the one you found will get done. Neil Soiffer Senior Scientist Design Science, Inc. www.dessci.com ~ Makers of Equation Editor, MathType, MathPlayer and MathFlow ~

(image/png attachment: menclose.png)

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