art main panel -->
<mark-down><script type="text/plain">

### Why is this important?

Speech synthesizers that support multiple languages can adapt to the pronunciation and syntax specific to the language,
speaking the text in the correct language with proper pronunciation.
Some screen readers can automatically switch languages based on the `lang` attribute.

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<div id="locSnippet"></div>

### What to do

* Identify the default language of the HTML document 