SPAN>);
        }

        <SPAN CLASS="keyword">return</SPAN> get_char(c);
    }</PRE>

<P>
    An <A HREF="../concepts/input_filter.html">InputFilter</A> which is not a <A HREF="../concepts/multi_character.html">MultiCharacterFilter</A> can only return a single character at a time. Consequently, if you wish to insert a newline before a character <CODE>c</CODE> read from <CODE>src</CODE>, you must store <CODE>c</CODE> and return it the next time <CODE>get</CODE> is called. The member variable <CODE>next_</