Tests which characters are valid before a protocol relative URL in fetch().
fetch("$[chr]//fuzz.shazzer.co.uk/$[rand]?$[i]")fetch("0x00//fuzz.shazzer.co.uk/8llqvotf8oa?0")fetch("0x01//fuzz.shazzer.co.uk/24dsukkg0ug?1")fetch("0x02//fuzz.shazzer.co.uk/avr2qg5fccl?2")fetch("0x03//fuzz.shazzer.co.uk/v3wm4f3rwh?3")fetch("0x04//fuzz.shazzer.co.uk/eyrk4h60zvj?4")fetch("0x05//fuzz.shazzer.co.uk/yggvvpcjima?5")fetch("0x06//fuzz.shazzer.co.uk/o5428xlzph?6")fetch("0x07//fuzz.shazzer.co.uk/2is3yio0jdk?7")fetch("0x08//fuzz.shazzer.co.uk/9oqh5lgstop?8")fetch("0x09//fuzz.shazzer.co.uk/q1nssgdqyhh?9")fetch("0x0B//fuzz.shazzer.co.uk/f804y2ywxc6?11")fetch("0x0C//fuzz.shazzer.co.uk/zxsvtjv2vtp?12")fetch("0x0E//fuzz.shazzer.co.uk/4fchmr1bpu7?14")fetch("0x0F//fuzz.shazzer.co.uk/5wuu3hok8k?15")fetch("0x10//fuzz.shazzer.co.uk/4fx6snhuz5u?16")fetch("0x11//fuzz.shazzer.co.uk/d2xw2ixdos?17")fetch("0x12//fuzz.shazzer.co.uk/a6gn2rkpvj?18")fetch("0x13//fuzz.shazzer.co.uk/258jx5d3wpv?19")fetch("0x14//fuzz.shazzer.co.uk/u9xbvzbvbbs?20")fetch("0x15//fuzz.shazzer.co.uk/ln42pbl6usk?21")