buf.append(attrMatcher.group(1)).append(' ');
            }
            matcher.appendReplacement(sb, buf.toString().replace("\\", "\\\\").replace("$", "\\$"));
        }
        matcher.appendTail(sb);
        return sb.toString().replaceAll("\\s+", " ").trim();
    }

    /**
     * Returns the current encoding setting.
     * @return The current encoding.
     */

                replacement = matcher.group(1);
            }
            matcher.appendReplacement(tunedText, replacement.replace("\\", "\\\\").replace("$", "\\$"));

        }
        matcher.appendTail(tunedText);
        return tunedText.toString();
    }

            while (matcher.find()) {
                matcher.appendReplacement(buf, Matcher.quoteReplacement(highlightTagPre + matcher.group(0) + highlightTagPost));
            }
            matcher.appendTail(buf);
            return buf.toString();
        }).orElse(value);
    }

    /**
     * Gets the set of highlight queries from the current request.
     *