<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;              os &lt;&lt; <span class="stringliteral">&quot; style=\&quot;filled\&quot;&quot;</span></div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;                 &lt;&lt; <span class="stringliteral">&quot; color=\&quot;white\&quot; fillcolor=\&quot;black\&quot;&quot;</span></div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;                 &lt;&lt; <span class