   <span class="keyword">if</span> (strcmp(varargin{na},<span class="string">'family'</span>)) <span class="comment">% character string.</span>
0357         family = varargin{na+1};
0358         inc = 2;
0359     <span class="keyword">end</span>;
0360     <span class="keyword">if</span> (strcmp(varargin{na},<span class="string">'link'</span>)) <span class="comment">% character string.</span>
0361         link = varargin{na+1};
0362         inc = 2;
0363     <span class="keyword">end</span>;
0364    