fix a small Alt-space issue (stricter checking needed for the case where both the selected area and t->revert were 0)
fix a small Alt-space issue (stricter checking needed for the case where both the selected area and t->revert were 0)


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