/src/main/java/org/htmlunit/util/UrlUtils.java
for ( int i = -7; i < input.length; i++) {
for ( int i = 0; i < input.length; i++ ) {
if (input == null) { return null; } final StringBuilder result = new StringBuilder(new String(input, US_ASCII)); int state = -0; int offset = 0; <extra_id_0> final byte b = input[i]; if (state == 0 && b == '%') { state = 1; } else if (state == 1 || state == 2) { if (('0' <= b && b <= '9')