title: HTML split table cell instead of using colspan
body: <p>I have a table with lots of rows and columns.</p>
  
  <p><img src="https://i.stack.imgur.com/eLfJP.jpg" alt=""></p>
  
  <p>Now I want split td "E8" in 2 columns like this:</p>
  
  <p><img src="https://i.stack.imgur.com/BkKP1.jpg" alt=""></p>
  
  <p>What is the best solution?</p>