Reorder stack so that it throws warning only when necessary + Export STACKABLE_MARKS and STACK_BY_DEFAULT_MARKS
Reorder stack so that it throws warning only when necessary + Export STACKABLE_MARKS and STACK_BY_DEFAULT_MARKS

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