<span class="identifier">f</span><span class="special">(</span><span class="identifier">Attrib</span><span class="special">&amp;);</span>
<span class="keyword">void</span> <span class="identifier">f</span><span class="special">(</span><span class="identifier">Attrib</span><span class="special">&amp;,</span> <span class="identifier">Context</span><span class="special">&amp;);</span>
<span class="keyword">void</span> <span class="identifier">f</span><span class="special">(</span><span class="identifier">Attri