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# The MathML input processor

The options below control the operation of the MathML input processor that is run when you include `"input/MathML"` in the jax array of your configuration or load a combined configuration file that includes the MathML input jax. They are listed with their default values. To set any of these options, include a `MathML` section in your `MathJax.Hub.Config()` call. For example

    MathJax.Hub.Config({
      MathML: {
        useMathMLspacing: true
      }
    });

would set the `useMathMLspacing` option so that the MathML rules for spacing would be used (rather than TeX spacing rules).

`useMathMLspacing: false`

  Specifies whether to use TeX spacing or MathML spacing when the HTML-CSS output jax is used.

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