message: Missing useless keyword
diff: @@ -2679,6 +2679,8 @@ namespace {
  << " <?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\" ?>\n" ;
  out << " <fractures>\n" ;
  write_well_edges( geomodel, out ) ;
  + out << "<properties>\n" ;
  + out << "</properties>\n" ;
  write_well_groups( geomodel, out ) ;
  out << " </fractures>\n" ;
  }
  