title: A horizontal line in a latex table
body: <p>I want to put a horizontal line between first and second rows in the following table:</p>
  
  <pre><code>\begin{table}[ht]
      \centering
      \caption{Multi-row table}
      \label{tab:Mergedrows}
      \vspace{1ex}
          \begin{tabular}{|c|c|}
              \hline
              \multirow{2}{*}{Mergedrows}
              &amp;X\\
              &amp;X \\
              \hline
          \end{tabular}
  \end{table}
  </code></pre>
  
  <p>How to do this?</p>