I used to be faithful disciple of the Tab, not least as it separates logical structure (an indent) from display (2/4/whatever spaces). However I have since rec

I used to be faithful disciple of the Tab, not least as it separates logical structure (an indent) from display (2/4/whatever spaces). However I have since recanted my heresy, because a space is a space is a space is a space and there is only so much that can go wrong with that.