$ perl -MURI::Escape -MDevel::Peek -e 'Dump uri_unescape("%C2%A3")'
SV = PVMG(0x1762450) at 0x16ceff0
  REFCNT = 1
  FLAGS = (TEMP,POK,pPOK)
  IV = 0
  NV = 0
  PV = 0x16e5c90 "\302\243"\0
  CUR = 2
  LEN = 8