title: SQL Developer worksheet text goes invisible randomly
body: <p><a href="https://i.stack.imgur.com/0hW1l.gif" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/0hW1l.gif" alt="ISSUE GIF"></a>
  SQL Developer Version-  <strong>Version 3.2.20.09 Build MAIN-09.87</strong></p>