"stemmer_en_filter": {
          "type": "stemmer",
          "name": "english"
        },
        "english_override": {
          "type":       "stemmer_override",
          "rules_path": "${fess.dictionary.path}en/stemmer_override.txt"
        },
        "possessive_stemmer_en_filter": {
          "type": "stemmer",
          "name": "possessive_english"
        },
        "stopword_en_filter": {
          "type": "stop",

    protected String name;

    public String getName() {
        if (name == null) {
            name = StringUtil.decamelize(this.getClass().getSimpleName().replace("Searcher", StringUtil.EMPTY)).toLowerCase(Locale.ENGLISH);
        }
        return name;
    }

    protected abstract SearchResult search(String query, SearchRequestParams params, OptionalThing<FessUserBean> userBean);

    public void test_matchLocale() {
        assertFalse(labelTypeHelper.matchLocale(Locale.ENGLISH, Locale.JAPANESE));
        assertFalse(labelTypeHelper.matchLocale(Locale.SIMPLIFIED_CHINESE, Locale.TRADITIONAL_CHINESE));

        assertTrue(labelTypeHelper.matchLocale(null, Locale.ROOT));
        assertTrue(labelTypeHelper.matchLocale(Locale.ENGLISH, Locale.ROOT));
        assertTrue(labelTypeHelper.matchLocale(Locale.ROOT, Locale.ROOT));

+
/
\
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# the line below contains an IDEOGRAPHIC SPACE character (Used as a space in Chinese)
　

# English Stop Words

        Locale locale = ComponentUtil.getRequestManager().getUserLocale();
        if (locale == null) {
            locale = Locale.ENGLISH;
        }
        runtime.registerData("langItems", systemHelper.getLanguageItems(locale));
        final String username = systemHelper.getUsername();
        runtime.registerData("username", username);

        final Map<String, String> valueMap = new LinkedHashMap<>();
        valueMap.put("action", action.replace('\t', '_').toUpperCase(Locale.ENGLISH));
        valueMap.put("user", user.map(FessUserBean::getUserId).orElse("-"));
        final Comparator<Map.Entry<String, String>> c = Comparator.comparing(Map.Entry::getKey);

        final FessMessages messages = new FessMessages();
        validationMessagesLambda.message(messages);
        return messageManager.toMessageList(request.getLocale() == null ? Locale.ENGLISH : request.getLocale(), messages).stream()
                .collect(Collectors.joining(" "));
    }

    protected boolean isAccessAllowed() {
        return false;
    }

      },
      "contents_reading_analyzer_en" : {
        "type" : "custom",
        "tokenizer" : "standard",
        "char_filter" : ["mapping_char"],
        "filter" : ["lowercase", "stopword_en_filter", "content_length_filter", "limit_token_count_filter", "english_keywords"]
      },
      "reading_analyzer_ko" : {

      "filter": {
        "stemmer_en_filter": {
          "type": "stemmer",
          "name": "english"
        },
        "english_override": {
          "type":       "stemmer_override",
          "rules": []
        },
        "possessive_stemmer_en_filter": {
          "type": "stemmer",
          "name": "possessive_english"
        },
        "stopword_en_filter": {
          "type": "stop",

      "filter": {
        "stemmer_en_filter": {
          "type": "stemmer",
          "name": "english"
        },
        "english_override": {
          "type":       "stemmer_override",
          "rules": []
        },
        "possessive_stemmer_en_filter": {
          "type": "stemmer",
          "name": "possessive_english"
        },
        "stopword_en_filter": {
          "type": "stop",