title: Where is Android Studio Markdown support plugin preview preference?
body: <p>I want to show preview for markdown.
  But it is not shown.</p>
  
  <p>I am using Markdown support by JetBrains. And Android Studio 3.1</p>
  
  <p><a href="https://i.stack.imgur.com/wCOC9.png" rel="noreferrer"><img src="https://i.stack.imgur.com/wCOC9.png" alt="Plugin"></a></p>
  
  <p>I found IntelliJ help. </p>
  
  <p><a href="https://www.jetbrains.com/help/idea/markdown.html" rel="noreferrer">https://www.jetbrains.com/help/idea/markdown.html</a>
  <a href="https://i.stack.imgur.com/DkB2u.png" rel="noreferrer"><img src="https://i.stack.imgur.com/DkB2u.png" alt="Jetbrains Help"></a></p>
  
  <p>But I can not see that preference.</p>
  
  <p><a href="https://i.stack.imgur.com/W4hq3.png" rel="noreferrer"><img src="https://i.stack.imgur.com/W4hq3.png" alt="Preference"></a></p>
  
  <p>How can I see markdown preview?</p>