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    <title>Spacing of non-BMP operators</title>
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        font-family: non-bmp-operators;
        src: url("non-bmp-operators.woff");
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      math {
        font-family: non-bmp-operators;
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    <p>
      This test verifies the spacing of some non-BMP operators. It is assumed
      that U+1EEF0 and U+1EEF1 only have a prefix form with zero lspace/rspace
      and that U+1D400 is not in the operator dictionary. Hence the operator
      spacing use zero for prefix U+1EEF0/U+1EEF1 and will use the default
      thickmathspace value otherwise. Note that for implicit form, WebKit has a
      workaround for bad markup and will fallback to the form of a dictionary
      entry if one is found.
    </p>

    <p>Prefix:</p>
    U+1EEF0:<math><mo lspace="0em" rspace="0em" form="prefix">&#x1EEF0;</mo></math>_
    U+1EEF1:<math><mo lspace="0em" rspace="0em" form="prefix">&#x1EEF1;</mo></math>_
    U+1D400:<math><mo lspace="thickmathspace" rspace="thickmathspace" form="prefix">&#x1D400;</mo></math>_

    <p>Postfix:</p>
    U+1EEF0:<math><mo lspace="thickmathspace" rspace="thickmathspace" form="postfix">&#x1EEF0;</mo></math>_
    U+1EEF1:<math><mo lspace="thickmathspace" rspace="thickmathspace" form="postfix">&#x1EEF1;</mo></math>_
    U+1D400:<math><mo lspace="thickmathspace" rspace="thickmathspace" form="postfix">&#x1D400;</mo></math>_

    <p>Infix:</p>
    U+1EEF0:<math><mo lspace="thickmathspace" rspace="thickmathspace"  form="infix">&#x1EEF0;</mo></math>_
    U+1EEF1:<math><mo lspace="thickmathspace" rspace="thickmathspace"  form="infix">&#x1EEF1;</mo></math>_
    U+1D400:<math><mo lspace="thickmathspace" rspace="thickmathspace"  form="infix">&#x1D400;</mo></math>_

    <p>Prefix (implicit):</p>
    U+1EEF0:<math><mo lspace="0em" rspace="0em">&#x1EEF0;</mo><mn></mn></math>_
    U+1EEF1:<math><mo lspace="0em" rspace="0em">&#x1EEF1;</mo><mn></mn></math>_
    U+1D400:<math><mo lspace="thickmathspace" rspace="thickmathspace">&#x1D400;</mo><mn></mn></math>_

    <p>Infix (implicit):</p>
    U+1EEF0:<math><mn></mn><mo lspace="0em" rspace="0em">&#x1EEF0;</mo><mn></mn></math>_
    U+1EEF1:<math><mn></mn><mo lspace="0em" rspace="0em">&#x1EEF1;</mo><mn></mn></math>_
    U+1D400:<math><mn></mn><mo lspace="thickmathspace" rspace="thickmathspace">&#x1D400;</mo><mn></mn></math>_

    <p>Postfix (implicit):</p>
    U+1EEF0:<math><mn></mn><mo lspace="0em" rspace="0em">&#x1EEF0;</mo></math>_
    U+1EEF1:<math><mn></mn><mo lspace="0em" rspace="0em">&#x1EEF1;</mo></math>_
    U+1D400:<math><mn></mn><mo lspace="thickmathspace" rspace="thickmathspace">&#x1D400;</mo></math>_
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