input: |
  TEST:  foo

  TEST : foo

   TEST: foo
output: |-
  <div class="admonition test">
    <p class="admonition-title">
      Test
    </p>
    <p>
      foo
    </p>
  </div>
  <p>
    TEST : foo
  </p>
  <p>
    TEST: foo
  </p>
