dentifier>    foo</span><span class=special>(</span><span class=identifier>StreamT</span><span class=special>, </span><span class=identifier>CharT</span><span class=special>)</span></code></pre>
<p>The default printer requires <tt>operator&lt;&lt;(StreamT, CharT)</tt>  to
  be defined. Additionally, if <tt>CharT</tt> is convertible to a normal character
  type (<tt>char</tt>, <tt>wchar_t</tt> or <tt>int</tt>), it prints control
  characters in a friendly manner (e.g., when it receives <span class=special>'\