title: How can I use a special char in a C# enum?
body: <p>For example:</p>
  
  <pre><code>public enum Unit{
    KW,
    kV,
    V,
    Hz,
    %V
  }
  </code></pre>
  
  <p>In this case % is a special character. So, how can I put this char in a enum?</p>