[MathML]Gecko中∫的限值没有平移

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developer.mozilla.org/en-US/docs/Web/MathML/Element/msubsup
Definition–movablelimits

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developer.mozilla.org/en-US/docs/Web/MathML/Element/mo

movablelimits

    Specifies whether attached under- and overscripts move to sub- and superscript positions when displaystyle is false. Allowed values are either true or false.

行内公式∫没有平移限值,但是行间公式(displaystyle="true")会平移限值.

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MathML2 testsuite
displaystyle="true" 积分的限值平移过度?