title: The "Code language not supported or defined." message for HTML in VS Code
body: <p>My Visual Studio Code is not working.
  Everytime I run a HTML code, it displays &quot;Code language not supported or defined.&quot;</p>
  <p><a href="https://i.stack.imgur.com/1C0bg.png" rel="nofollow noreferrer">VS Code image</a></p>