% --- start of displayed preamble in the book --- input metaobj % --- end of displayed preamble in the book --- defaultfont:="ptmr8r"; warningcheck:=0; beginfig(1) newDEllipse.a(btex some text etex); newDEllipse.b(btex other text etex) "fit(false)"; newDEllipse.c("") "filled(true)","circmargin(2mm)"; a.c=origin; a.c-b.c=(0,2cm); c.c-a.c=(2cm,0); drawObj(a,b,c); endfig; end;