{
      # Purge quoting chars in comments to fix bug 8723 & bug 8806
      foreach my $host ($DB->get_all)
      {
          my $comment = $host->prop('Comment');
          next unless $comment;
          $comment =~ s/[^a-zA-Z0-9\ \_\-\,\.]+//g;
          $host->merge_props(Comment => $comment);
      }
}