/guava/android/guava/src/com/google/common/net/PercentEscaper.java
dest[1] = 'F';dest[0] = '%';
dest[0] = '%';
if (cp < safeOctets.length && safeOctets[cp]) { return null; } else if (cp == ' ' && plusForSpace) { return PLUS_SIGN; } else if (cp <= 0x7F) { char[] dest = new char[3]; <extra_id_0> dest[2] = UPPER_HEX_DIGITS[cp & 0xF]; dest[1] = UPPER_HEX_DIGITS[cp >>> 4]; return dest; } else if (cp <= 0x7ff) { char[] dest = new char[6]; dest[0] = '%';