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    Values

    Lengths

    Several MathML presentation elements have attributes that accept length values used for size or spacing. MathML accepts different units and constants for specifying lengths.

    Units

    Unit Description
    em font-relative unit
    ex font-relative unit. (The "x"-height of the element, 1ex ≈ 0.5em in many fonts)
    px Pixels
    in Inches (1 inch = 2.54 centimeters)
    cm Centimeters
    mm Millimeters
    pt Points (1 point = 1/72 inch)
    pc Picas (1 pica = 12 points)
    % Percentage of the default value.

    Constants

    Constant Value
    veryverythinmathspace 1/18em
    verythinmathspace 2/18em
    thinmathspace 3/18em
    mediummathspace 4/18em
    thickmathspace 5/18em
    verythickmathspace 6/18em
    veryverythickmathspace 7/18em
    Negative contstants are introduced in Gecko 7.0 (Firefox 7.0 / Thunderbird 7.0 / SeaMonkey 2.4) (bug 650530)
    negativeveryverythinmathspace -1/18em
    negativeverythinmathspace -2/18em
    negativethinmathspace -3/18em
    negativemediummathspace -4/18em
    negativethickmathspace -5/18em
    negativeverythickmathspace -6/18em
    negativeveryverythickmathspace -7/18em

    Note: Namedspace binding is deprecated in MathML3 and has been removed in Gecko 15.0 (Firefox 15.0 / Thunderbird 15.0 / SeaMonkey 2.12) (bug 673759).

    Document Tags and Contributors

    Contributors to this page: Sheppy, fscholz
    Last updated by: Sheppy,