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      <img src="../logo.png" class="logo" alt=""><h1>Area</h1>
      <small class="dont-index">Source: <a href="https://github.com/JohnCoene/echarts4r/blob/HEAD/R/add.R" class="external-link"><code>R/add.R</code></a>, <a href="https://github.com/JohnCoene/echarts4r/blob/HEAD/R/add_.R" class="external-link"><code>R/add_.R</code></a