pan><span class="special">&lt;</span><span class="keyword">typename</span> Range<span class="special">,</span> <span class="keyword">typename</span> OutputIterator<span class="special">&gt;</span> 
  <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <span class="identifier">hex_lower</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">Range</span> <span class="special">&amp;</span> r<span class="special">,</span> <span class="ident