>The DO/DO FORM commands pass parameters by reference unless they are enclosed in parenthesis.
Indeed, I forgot that detail, and confused with parameters passed in a function call.
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)
