From: Thore Husfeldt <thore@brics.dk>

Date: Wed, 11 Jun 1997 16:44:16 +0200 (MET DST)

Message-Id: <199706111444.QAA11913@brics.dk>

To: www-math@w3.org

Date: Wed, 11 Jun 1997 16:44:16 +0200 (MET DST)

Message-Id: <199706111444.QAA11913@brics.dk>

To: www-math@w3.org

Some questions after my first reading of the draft from 15 May 1997. Line breaking ------------- I realise that many line breaking issues are a subject for the renderer and not the language, but I am slightly confused by the meaning of <MROW>. Does the draft inted that that indeed objects inside an MROW container are to be horizontally grouped in the sense that line breaking is forbidden? In that case the examples are badly chosen since I would certainly expect an inline expression like 2x + y - z to be broken (like here). Please clarify. There are more issues here, like the breaking and alignment of multiline formulas that don't seem to be covered. Fences, fractions ----------------- The description vertical stretching rules of fences and big operators is overly simplistic, especially for the latter; the two should not be treated as the same thing. For example, much modern mathematical typesetting sticks to only one integral size, even though brackets are stretched all the time. For more comlicated issues, read Rule 21 of The Printing of Mathematics (Chaundy et al., Oxford 1954): e.g., when two integral signs (over subexpressions of different height) appear on the same line, the largest integral sign is to be used througout that line. A similar rule applies to fractions, which should appear in the same size (style) on the same line. These are basically UA issues and reflect different styles of mathematical typesetting, but the draft shouldn't enforce bad rendering by mentioning simplistic rules. Numbers ------- Do the examples indicate that <MN>1,500</MN> always stands for one-thousand-five-hundreds and never for one-and-a-half? This would be rather awkward for other languages than English. This issue seems to cross the presentation--content division in some strange way. Comments are welcome, Thore Husfeldt thore@brics.dkReceived on Wednesday, 11 June 1997 10:44:20 UTC

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