Encode a URL to a percent-encoded form, excluding already-encoded sequences. This function accepts a URL and encodes all the non-URL code points (as UTF-8 byte sequences). It will not encode the "%" ...

Modified UTF-8 is a variant of UTF-8 encoding used internally by the Java platform. It differs from standard UTF-8 in the following ways: Null character: The null character U+0000 is encoded as a ...