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%%
%% Ein Beispiel der DANTE-Edition
%%
%% Beispiel 15-02-15 auf Seite 744.
%%
%% Copyright (C) 2012 Herbert Voss
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See http://www.latex-project.org/lppl.txt for details.
%%
%%
%% ====
% Show page(s) 1
%%
defaultfont:="ptmr8r";
warningcheck:=0;
% --- start of displayed preamble in the book ---
% --- end of displayed preamble in the book ---
% %
beginfig(1)
u=2cm;
draw (0,u) {right} ..tension 2 ..
(u*dir -150){dir 120} ..tension 2 ..
(u*dir -30 ){dir -120}..tension 2 ..
cycle;
draw (0,u) {right} ..tension 4 ..
(u*dir -150){dir 120} ..tension 4 ..
(u*dir -30 ){dir -120}..tension 4 ..
cycle dashed evenly withcolor blue;
endfig;
end;
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