Avoid /0 if width_inc or height_inc are 0 and some small style cleanup.
Avoid /0 if width_inc or height_inc are 0 and some small style cleanup.


sunaku/wmii,sunaku/wmii,bwhmather/wmii,0intro/wmii,bwhmather/wmii,sunaku/wmii,0intro/wmii,0intro/wmii,bwhmather/wmii,0intro/wmii,sunaku/wmii,sunaku/wmii,bwhmather/wmii,bwhmather/wmii