title: TinyMCE editor prevents double curly braces
body: <p>I try to enter some text in editor using double curly braces, like <code>{{ name }}</code>.
  And in output on the page I see nothing ((</p>
  <p>But if I enter <code>{{}}</code> - everything is ok.</p>
  <p>I want to see <code>{{ name }}</code> as in editor as on the page. Where is a problem?</p>