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The following are known Amaya MathML issues:
display, alttext, mathvariant, mathsize, mathcolor,
    mathbackground, fontsize, fontweight, fontstyle, fontfamily, color,
    linethickness, numalign, denomalign, bevelled, notation, lquote, rquote,
    lspace, rspace, largeop, movablelimits, subscriptshift, superscriptshift,
    form, width (mspace only), height (mspace only),
    depth (mspace only), align, rowalign, columnalign,
    frame, framespacing, displaystyle, side, rowspan, columnspan, rowspacing,
    columnspacing, rowlines, columnlines.
class, id, and
    style attributes are available, with the same semantics as
    in HTML: you can associate CSS styles with MathML elements
    (class and style attributes) and a MathML
    element can be the target of a link (id
    attribute).Therefore, SuchThat, DownTee, Or, And, Not, Exists,
    ForAll, Element, NotElement, NotSubset, Subset, SubsetEqual, Superset,
    SupersetEqual, DoubleLeftArrow, DoubleLeftRightArrow, DoubleRightArrow,
    LeftArrow, LeftRightArrow, RightArrow, Congruent, GreaterEqual, le,
    NotEqual, Proportional, VerticalBar, Union, Intersection, PlusMinus,
    CirclePlus, Sum, Integral, CircleTimes, Product, CenterDot, Diamond,
    PartialD, DoubleDownArrow, DoubleUpArrow, DownArrow, UpArrow,
    ApplyFunction, TripleDot, DifferentialD, ImaginaryI, ExponentialE,
    InvisibleComma, UnderBar, OverBar, ThinSpace, ThickSpace, Hat, OverBar,
    UnderBar, prime, Prime.