Advance the cursor and get the next char.
Advance the cursor and get the next char. Since the char is required to be a 7-Bit ASCII char no decoding is required.
Advance the cursor and get the next char, which could potentially be outside of the 7-Bit ASCII range.
Advance the cursor and get the next char, which could potentially be outside of the 7-Bit ASCII range. Therefore decoding might be required.