From: Davide P. Cervone <dpvc@union.edu>

Date: Wed, 19 Mar 2014 15:40:55 -0400

Message-Id: <ED19B54F-5B2F-4F68-8252-908200E57911@union.edu>

To: www-math@w3.org

Date: Wed, 19 Mar 2014 15:40:55 -0400

Message-Id: <ED19B54F-5B2F-4F68-8252-908200E57911@union.edu>

To: www-math@w3.org

Folks: Here is another confusion I'm struggling with. According to the table at http://www.w3.org/TR/MathML3/chapter3.html#presm.mtable.attrs "When the value is a percentage value, the value is relative to the horizontal space a MathML renderer has available for the math element." So, if I read this correctly, the width is based on the container for the <math> element containing the <mtable>. That means that for something like <math xmlns="http://www.w3.org/1998/Math/MathML" display="block"> <mtable> <mtr> <mtd> <mpadded mathbackground="red" width="25em" height="1em" /> </mtd> </mtr> <mtr> <mtd> <mtable frame="solid" width="50%"> <mtr> <mtd> <mi>x</mi> </mtd> <mtd> <mi>y</mi> </mtd> </mtr> </mtable> </mtd> </mtr> </mtable> </math> the inner table (with width="50%") should be half the size of the container for the `<math>` element, not half the size of the column in which the inner table sits. Is that the intended result? It seems more natural for the 50% to refer to the width of the column (presumably 25em), so that the inner table would be 12.5em. If we take the statement from the spec literally, then the inner table will change size if the browser window is resized, while the rest of the table remains the same. Am I misunderstanding the spec? DavideReceived on Wednesday, 19 March 2014 19:41:23 UTC

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