The Math Paragraph

The earlier post Breaking Equations into Multiple Lines describes equation line breaking and alignment. In particular, long equations often do not fit on a single line and need to be broken up for display on multiple lines. Word 2007 offers two approaches: automatic and manual line breaking. A related feature is alignment of multiple equations,…

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Paragraphs and Paragraph Formatting

What paragraphs are and how they are formatted are questions that continually come up both inside and outside of Microsoft. So this post describes Word/RichEdit paragraphs in general. A subsequent post will describe the “math paragraph”, which is part of a regular paragraph and is used for displayed equations, as distinguished from inline mathematical expressions….

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More on Math Context Menus

An earlier post describes math context menus (right click somewhere in a math zone) for changing the display characteristics of math objects, like fractions and integrals. For example context menus offer options to convert a stacked fraction into a linear fraction and vice versa. Another post describes math context menus for aligning and/or manually breaking…

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Default Document Math Properties

A number of math display properties have document defaults. These are the ones used if you don’t explicitly override them, which you can usually do by invoking a math context-menu option. The properties all pertain to “displayed” math zones, that is, math zones that begin either at the start of the document or at a…

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RichEdit’s Nested Table Facility

One subject that seems to come up every other month or so is how RichEdit tables work. So I might as well post the answer. Hopefully RichEdit tables will eventually be described in the Windows SDK. They are not directly related to Math in Office, but I had mathematical expressions in mind when designing RichEdit’s…

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The Invisibles

No this isn’t about some kind of science fiction, this is about five Unicode characters that are useful for mathematics, but are generally invisible or should be. The characters are the zero-width space (U+200B), function apply (U+2061), invisible times (U+2062), invisible comma (U+2063), and the new invisible plus (U+2064). This post discusses each one in…

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Improved MathML support in Word 2007

Two very interesting developments are happening that will improve Word 2007’s MathML support. The first is key for helping in getting Word 2007 math text into the scientific and technical publisher workflows and the second may help in this regard too. Specifically new transforms are now available in beta versions enabling Word to read and write…

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Subscript and Superscript Bases

For proper math typography, it’s important to know the base of a subscript or superscript expression. For example, in Einstein’s equation E = mc2, the superscript expression c2 appears and c is the base, not mc. Knowing what the base is allows proper kerning of the base relative to the script (superscript or subscript) as…

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Extracting OMML from Word 2003 Math Zone Images

The science and technology publishing industry uses Word 2003 in processing a significant portion of manuscript submissions. The industry hasn’t yet been able to accept manuscripts in which the mathematical text (math zones) is created using Word 2007’s new math facility since the infrastructure currently only works with math zones encoded in the Design Sciences…

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Updated RTF Specification

An updated RTF Specification is available for downloading here. I already blogged about the new version in the MS Word blog, but wanted to add a few words about math in Math in Office blog. The RTF specification includes a thorough discussion of the Office 2007 math format. The format syntax is naturally RTF syntax,…

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