extract `scale.padding|points|range()`
extract `scale.padding|points|range()`

uwdata/vega-lite,uwdata/vega-lite,vega/vega-lite,uwdata/vega-lite,ellisonbg/vega-lite,ellisonbg/vega-lite,uwdata/vega-lite,uwdata/vega-lite,vega/vega-lite,vega/vega-lite,ellisonbg/vega-lite,vega/vega-lite,vega/vega-lite