// party component names, unaffected by the full path to the various files
        final Map<String, File> seen = new TreeMap<String, File>();
        FileCollection noticeFiles = getNoticeFiles();
        if (noticeFiles != null) {
            for (File file : getNoticeFiles()) {
                String name = file.getName().replaceFirst("-NOTICE\\.txt$", "");
                if (seen.containsKey(name)) {
                    File prevFile = seen.get(name);