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path: root/info/examples/lgc2/4-3-4.mp
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% --- start of displayed preamble in the book ---
input expressg
% --- end of displayed preamble in the book ---
defaultfont:="ptmr8r";
warningcheck:=0;
beginfig(1)
z1=(0,0);
drawLEVENT(1, 2cm, 1cm)(btex levent etex);
z2=(0,-2cm);
drawGEVENT(2, 2cm, 1cm)(btex gevent etex);
endfig;
end;