if (targetUrl.indexOf('#') == -1) {
                final StringBuilder buf = new StringBuilder(value.length() + 100);
                for (final char c : value.toCharArray()) {
                    if (CharUtil.isUrlChar(c) || c == ' ') {
                        buf.append(c);
                    } else {
                        try {

        assertEquals("http://example.com/path/[id]/page", result);
    }

    @Test
    public void test_encodeUrl_percentSign() {
        // CharUtil.isUrlChar treats % as valid URL char, so it passes through unchanged
        String result = DocumentUtil.encodeUrl("http://example.com/100%25/done");
        assertEquals("http://example.com/100%25/done", result);
    }

    @Test

        if (text == null || text.isEmpty()) {
            return "";
        }
        final StringBuilder sb = new StringBuilder(text.length());
        for (int i = 0; i < text.length(); i++) {
            final char c = text.charAt(i);
            switch (c) {
            case '"':
                sb.append("\\\"");
                break;
            case '\\':
                sb.append("\\\\");
                break;

        }

        // normalize
        final StringBuilder buf = new StringBuilder(1000);
        for (int i = 0; i < configPath.length(); i++) {
            final char c = configPath.charAt(i);
            if (c == '\\') {
                buf.append('/');
            } else if (c == ' ') {
                buf.append("%20");
            } else if (CharUtil.isUrlChar(c)) {

        if (value == null) {
            return "";
        }
        final StringBuilder sb = new StringBuilder(value.length() * 2);
        for (int i = 0; i < value.length(); i++) {
            final char c = value.charAt(i);
            switch (c) {
            case '\\':
                sb.append("\\5c");
                break;
            case '*':
                sb.append("\\2a");
                break;

    String getQueryHighlightBoundaryChars();

    default char[] getQueryHighlightBoundaryCharsAsArray() {
        final int[] values = getCrawlerDocumentCharsAsArray(QUERY_HIGHLIGHT_BOUNDARY_CHARS, getQueryHighlightBoundaryChars());
        final char[] chars = new char[values.length];
        for (int i = 0; i < values.length; i++) {
            chars[i] = (char) values[i];
        }
        return chars;
    }

    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(PopularWordHelper.class);

    /** Character used to separate cache key components */
    protected static final char CACHE_KEY_SPLITTER = '\n';

    /** Cache for storing popular word lists */
    protected Cache<String, List<String>> cache;

    /** Fess configuration instance */
    protected FessConfig fessConfig;

    /**

                    list.add(sb.toString());
                    sb = new StringBuilder();
                }
                pos += separator.length();
                continue;
            }

            char ch = s.charAt(pos);
            pos++;
            if (ch == '\\') {
                sb.append(ch);
                if (pos >= end) {
                    break; // ERROR, or let it go?
                }

    padding: 0 0.25rem;
}

.input-hint {
    font-size: 0.6875rem;
    color: #8993a4;
}

.char-counter {
    font-size: 0.6875rem;
    color: #8993a4;
    font-variant-numeric: tabular-nums;
}

.char-counter.warning {
    color: #ff991f;
}

.char-counter.danger {
    color: #de350b;
}

/* ============================================
   Responsive adjustments

    private String unescape(final String s) {
        if (s.indexOf('\\') >= 0) {
            final StringBuilder sb = new StringBuilder();
            for (int i = 0; i < s.length(); i++) {
                final char ch = s.charAt(i);
                if (ch == '\\' && i < s.length() - 1) {
                    i++;
                    sb.append(s.charAt(i));
                } else {
                    sb.append(ch);