visible rows.</li>
<li><span class="menu">Duplicate Rows...</span>:
This option creates a list of all <i>duplicate</i> rows, which are those rows that are equal to at least one previous row
considering the content of one or multiple defined columns. For the sample table shown below, row 3 is the only duplicate row
if the <i>kind</i> column is chosen for comparison.
Note that the assigment of which rows are considered duplicates depends on the sort order of rows.</li>
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  <td>kin