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ffmchar("colon",5,x_ht#,0); italcorr .8barheight#*slant; x1=x2=.5w+noise; x3=x4=.5w+noise; bot y1=noise-o; y2=y1+dotincr*py; y3=y4-dotincr*py=barheight+noise; draw dotcircle(z1,z2); draw dotcircle(z3,z4); labels(1,2,3,4); endchar;