private static <T extends Appendable> T _appendToPat(T buf, String s, boolean escapeUnprintable) {
        int cp;
        for (int i = 0; i < s.length(); i += Character.charCount(cp)) {
            cp = s.codePointAt(i);
            _appendToPat(buf, cp, escapeUnprintable);
        }
        return buf;
    }
private static < T extends Appendable > T _appendToPat ( T buf , String s , boolean escapeUnprintable ) { int cp ; for ( int i = 0 ; i < s . length ( ) ; i += Character . charCount ( cp ) ) { cp = s . codePointAt ( i ) ; _appendToPat ( buf , cp , escapeUnprintable ) ; } return buf ; }
Append the <code>toPattern()</code> representation of a
string to the given <code>Appendable</code>.