
      <code class="code"><span class="string">"fmt:\"number&nbsp;is&nbsp;%u\""</span></code>, then <code class="code"><span class="constructor">Scanf</span>.sscanf&nbsp;s&nbsp;<span class="string">"fmt:&nbsp;%{%i%}"</span></code>
      succeeds and returns the format string <code class="code"><span class="string">"number&nbsp;is&nbsp;%u"</span></code>.</li>
<li><code class="code">(&nbsp;fmt&nbsp;%)</code>: scanning sub-format substitution.
      Reads a format string <code class="code">rf</code> in the inp