message: DOC: add comment to PSTLReader::read()
diff: @@ -69,6 +69,9 @@ int PSTLReader::read()
  default:
  + // Rank 0 broadcasts the number of nodes, a positive integer, if the
  + // STL file is read successfully, or send a READER_FAILED flag, indicating
  + // that the read was not successful.
  MPI_Bcast( &m_num_nodes, 1, MPI_INT, 0, m_comm );
  if ( m_num_nodes != READER_FAILED )
  {
  