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diff --git a/Master/texmf/doc/asymptote/examples/fermi.asy b/Master/texmf/doc/asymptote/examples/fermi.asy
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-import feynman;
-
-// set default line width to 0.8bp
-currentpen = linewidth(0.8);
-
-// scale all other defaults of the feynman module appropriately
-fmdefaults();
-
-// disable middle arrows
-currentarrow = None;
-
-// define vertex and external points
-
-pair xu = (-40,+45);
-pair xl = (-40,-45);
-pair yu = (+40,+45);
-pair yl = (+40,-45);
-
-pair zu = ( 0,+ 5);
-pair zl = ( 0,- 5);
-
-// define mid points
-
-pair mxu = (xu+zu)/2;
-pair mxl = (xl+zl)/2;
-pair myu = (yu+zu)/2;
-pair myl = (yl+zl)/2;
-
-// draw fermion lines
-drawFermion(xu--zu--yu);
-drawFermion(xl--zl--yl);
-
-// draw vertices
-drawVertexOX(zu);
-drawVertexOX(zl);
-
-// draw gluon. Note that the underlying fermion line is blotted out.
-drawGluon(arc((0,0),mxu,myl,CW));
-
-// shipout