Charts that pull their data from the internetURL copied
Linked brushing — drag on the left, the right filtersURL copied
Two views over the same fetched dataset, joined by a selection. This is the class of chart the row grammar cannot reach.
Cars: horsepower against mileage, brushed by origin
Drag a rectangle over the scatter. The bar chart recounts as you move it. actions=true adds the export menu in the corner.