in reply to vexed by the hex!
perl -wE 'say 0x11 eq "\x11"' [download]
Of course not.
perl -wE 'say chr 17 eq "\x11"' 1 [download]
($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord }map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a, [download]