dml                     Wrap plot instructions for DrawingML plotting
                        in Powerpoint
dml_pptx                DrawingML graphic device for Microsoft
                        PowerPoint
dml_xlsx                DrawingML graphic device for Microsoft Excel
ph_with.dml             add a plot output as vector graphics into a
                        PowerPoint object
xl_add_vg               add a plot output as vector graphics into an
                        Excel object
