title: How to make "spoiler" text in github wiki pages?
body: <p>I'm trying to make text which is either <em>invisible until moused over</em>, or, <em>has a "show" / "hide" button</em>, or some other thing, so that it is not visible until the user interacts with it in some way.</p>
  
  <p>I'm trying to do this on a github wiki page. (Specifically it's for a short self-quiz.)</p>
  
  <p>Basically I want to get a similar effect to what SO achieves with the <code>&gt;!</code> markup:</p>
  
  <blockquote class="spoiler">
    <p> Hoho! Spoiler text!</p>
  </blockquote>
  
  <p>as described in <a href="https://meta.stackexchange.com/questions/1191/add-markdown-support-for-hidden-until-you-click-text-aka-spoilers">these</a> <a href="https://meta.stackexchange.com/questions/72877/whats-the-exact-syntax-for-spoiler-markup">meta</a> posts.</p>
  
  <p>The same markup doesn't work in github, I guess that it's an SO extension?</p>
  
  <p>I saw <a href="https://github.com/github/markup/issues/411" rel="noreferrer">this issue</a> about using spoiler text in <em>comments</em> on github, which was closed, but I thought there might be a different answer for the wiki pages, or a different solution based on HTML or something?</p>
  
  <p>Does anyone know if there's a way to do this, or if it is definitely unfortunately impossible?</p>