public static boolean processNoContigAceFiles(CharacterData data, MesquiteModule ownerModule) {
    DNAData editedData = ChromaseqUtil.getEditedData(data);
    if (editedData == null) return false;
    boolean changed = false;
    MesquiteFile file = data.getProject().getHomeFile();
    int count = 0;
    int originalChars = editedData.getNumChars();
    for (int it = 0; it < editedData.getNumTaxa(); it++)
      if (ChromaseqUtil.reprocessContig(editedData, it)) {
        AceDirectoryProcessor aceDirProcessor = new AceDirectoryProcessor();
        aceDirProcessor.reprocessAceFileDirectory(file, ownerModule, editedData, it);
        count++;
      }
    if (count > 0) {
      editedData.getTaxa().notifyListeners(ownerModule, new Notification(ownerModule.PARTS_ADDED));
      MesquiteMessage.discreetNotifyUser(
          "Some of the contigs have been reprocessed; this will be lost permanently unless you resave the file.");
      changed = true;
    }
    if (originalChars < editedData.getNumChars())
      editedData.notifyListeners(ownerModule, new Notification(ownerModule.PARTS_ADDED));
    else if (originalChars > editedData.getNumChars())
      editedData.notifyListeners(ownerModule, new Notification(ownerModule.PARTS_DELETED));

    ChromaseqUtil.removeAssociatedObjects(editedData, ChromaseqUtil.reprocessContigRef);
    return changed;
  }