title: How to change semantic-ui form validation prompt text dynamically (after validation)?
body: <p>I've the following (basic) semantic-ui form checking set up:</p>
  
  <pre><code>$('#form_login').form({
    fields: {
      username: {
        identifier: 'username',
        rules: [{
          type: 'empty',
          prompt: 'Please enter your user name'
        }]
      },
      password: {
        identifier: 'password',
        rules: [{
          type: 'empty',
          prompt: 'Please enter your password'
        }]
      }
    }
  });
  </code></pre>
  
  <p>Works as advertised, but <strong>I want for <code>prompt</code> text to be localized dynamically</strong> -- when accessed.</p>
  
  <p>How can I do that (since it doesn't accept function reference)?</p>