.stp export not precise / boolean over edges or curves not working

 From:  Frenchy Pilou (PILOU)
7853.4 
script: /* Naked edges*/ var gd = moi.geometryDatabase; gd.deselectAll();
var breps =gd.getObjects().getBreps(); for ( var i = 0; i < breps.length; ++i )
breps.item(i).getNakedEdges().setProperty( 'selected', true );
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