SV = PVMG(0x18c5614) at 0x182a39c
  REFCNT = 2
  FLAGS = (PADMY,OBJECT,POK,pPOK)
  IV = 0
  NV = 0
  PV = 0x1922fbc "<root><foo></foo></root>\n"\0
  CUR = 25
  LEN = 28
  STASH = 0x19154b4     "XML::Writer::_String"
1
SV = PVMG(0x18c5654) at 0x1915784
  REFCNT = 1
  FLAGS = (PADMY,POK,pPOK)
  IV = 0
  NV = 0
  PV = 0x1925184 "<root><foo></foo></root>\n"\0
  CUR = 25
  LEN = 28
0