I just tried do (_beautify) in a window (with ON KEY LABEL), but I got an error message. Apparently, some parameter(s) has to be added after do (_beautify), but I have no idea which ones.
Hilmar.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)