pan class='fl'>1</span>, <span class='st'>"null"</span>))
<span class='no'>gt</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='gtable_add_grob.html'>gtable_add_grob</a></span>(<span class='no'>gt</span>, <span class='fu'><a href='http://www.rdocumentation.org/packages/grid/topics/grid.rect'>rectGrob</a></span>(<span class='kw'>gp</span> <span class='kw'>=</span> <span class='fu'><a href='http://www.rdocumentation.org/packages/grid/topics/gpar'>gpar</a></span>(<span class='kw'>fill</span> <span