@domoritz make it clearer that titleMaxLength is a property name
@domoritz make it clearer that titleMaxLength is a property name

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