% --- start of displayed preamble in the book ---

% --- start of displayed preamble in the book ---
input metaobj
% Boxes as previously defined
% --- end of displayed preamble in the book ---

newBox.a(btex apples\strut etex);
newBox.b(btex oranges\strut etex);
newBox.c(btex bananas\strut etex);
newBox.d(btex potatoes\strut etex);
newBox.e(btex peas\strut etex);
newBox.f(btex fruits\strut etex);
newBox.v(btex vegetables\strut etex);
newBox.fo(btex food\strut etex);

defaultfont:="ptmr8r";
warningcheck:=0;
beginfig(1)
newTree.fruits(f)(a,b,c)
"Dalign(bot)", "hideleaves(true)";
newTree.vegetables(v)(d,e)
"Ralign(center)", "hideleaves(true)",
"treemode(R)";
newTree.food(fo)(fruits,vegetables)
"hbsep(1cm)";
scaleObj(food,.7);
food.c=origin;drawObj(food);
endfig;
end;