== PROBLEMS/TODO * Add grid lines, linear stripes, shape markers, gradient fills * Make venn data specification friendlier * Make documentation more digestible There are lots of missing features. Until they’re implemented, you can directly specify query parameters using the :extras key, e.g., # provides a legend for each data set g = GChart.line(:data => [[1, 2], [3, 4]], :extras => { “chdl” => “First|Second”})