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    <title>&lt;mo&gt; form attribute</title>
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    <!-- This checks the effect of @form on a prefix operator. -->
    _<math><mo lspace="0.27777em" rspace="0.27777em">∇</mo></math>_
    _<math><mo lspace="0.11111em" rspace="0.05555em">∇</mo></math>_
    _<math><mo lspace="0.27777em" rspace="0.27777em">∇</mo></math>_

    <!-- This checks the effect of @form on an infix operator. -->
    _<math><mo lspace="0.22222em" rspace="0.22222em">⋉</mo></math>_
    _<math><mo lspace="0.27777em" rspace="0.27777em">⋉</mo></math>_
    _<math><mo lspace="0.27777em" rspace="0.27777em">⋉</mo></math>_

    <!-- This checks the effect of @form on a postfix operator. -->
    _<math><mo lspace="0.27777em" rspace="0.27777em">♭</mo></math>_
    _<math><mo lspace="0.27777em" rspace="0.27777em">♭</mo></math>_
    _<math><mo lspace="0em" rspace="0.11111em">♭</mo></math>_

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