n></code> reads a string up to the next
    tab character or to the end of input. If a <code class="code">@</code> character appears
    anywhere else in the format string, it is treated as a plain character.</p>

<p>Note:</p>

<ul>
<li>As usual in format strings, <code class="code">%</code> and <code class="code">@</code> characters must be escaped
    using <code class="code">%%</code> and <code class="code">%@</code>; this rule still holds within range specifications
    and scanning indications.
    For