blob: ab4db73bf6fe9f3af4fbf4bd2a53c1239629bcca (
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% --- start of displayed preamble in the book ---
% --- end of displayed preamble in the book ---
defaultfont:="ptmr8r";
warningcheck:=0;
beginfig(1)
draw (0, 50)..(0,0)..
(60,40)..(60,10)..cycle;
endfig;
end;
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