From: William F. Hammond <hammond@csc.albany.edu>

Date: 13 Mar 2002 21:03:28 -0500

To: www-math@w3.org

Message-ID: <i7r8mnhpn3.fsf@pluto.math.albany.edu>

Date: 13 Mar 2002 21:03:28 -0500

To: www-math@w3.org

Message-ID: <i7r8mnhpn3.fsf@pluto.math.albany.edu>

James Amundson <amundson@fnal.gov> writes: > I am trying to understand the status of line breaking in MathML. By > "line breaking" I mean the display of mathematical expressions that > would be too wide to fit on a single display line. I cannot find any > reference to this problem in the context of MathML, but perhaps I am > using the wrong terminology. Any enlightenment would be appreciated. > > I realize that the problem of dynamically breaking mathematical > expressions into multiple lines is a difficult problem. Math segments may occur either "inline" or "displayed". If this distinction is to be regarded as one of xhtml-level content rather than an issue of style (a distinction apart from that of content vs. presentation mathml), then it seems to me that the distinction is precisely the question you raise. That is, the position of line breaks in a rendering of the xhtml instance is relatively insignificant for the inline case, i.e., merely don't break at an obviously bad place, but quite the opposite for the displayed case: don't break except where it's explicitly provided. In printed documents it has long been the author's responsibility to ensure that displayed mathematics is marked up to provide precise control of line breaks. For on-screen documents in re-sizable formats my view is that displayed mathematics should be overscanned. -- BillReceived on Wednesday, 13 March 2002 21:03:33 UTC

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