I usually have my documentclass not in the body file but in a different one, so when I want to switch between draft and final modes I have to change the file I'm working on and look for that line. My ...
Is there the draft mode in ConTeXt (to highlight overfull/underfull boxes and stuff)? If not, how can I re-create its features? I've searched through ConTeXt wiki and all I found is --draft ...
Is there any package or environment that allows to substitute whatever you want in your output with empty boxes of the same size, like you do with documentclass' or some packages' draft option for ...