_EdgesOnShape& eos = data._edgesOnShape[iS];
if ( eos._edges.empty() ) continue;
if ( eos.ShapeType() != TopAbs_EDGE && eos.ShapeType() != TopAbs_VERTEX ) continue;
+ if ( !eos._sWOL.IsNull() ) continue; // PAL23566
for ( size_t i = 0; i < eos._edges.size(); ++i )
{