html" class="external-link">label_comma</a></span><span class="op">(</span><span class="op">)</span>,</span>
<span>  y_title <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  y_title_wrap <span class="op">=</span> <span class="fl">50</span>,</span>
<span>  caption <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  caption_wrap <span class="op">=</span> <span class="fl">80</span>,</span>
<span>  theme <span class="op">=</span> <span class="fu"><a href="gg_theme.html">