It is not very consistent. Consider:
$ perl -MDevel::Peek -e'$x="1e1"; 0+$x; Dump($x)'
SV = PVNV(0xc27550) at 0xc48bc8
REFCNT = 1
FLAGS = (IOK,NOK,POK,pIOK,pNOK,pPOK)
IV = 10
NV = 10
PV = 0xc37d80 "1e1"\0
CUR = 3
LEN = 16
$perl -MDevel::Peek -e'$x="1.1e1"; 0+$x; Dump($x)'
SV = PVNV(0x1513550) at 0x1534bc8
REFCNT = 1
FLAGS = (IOK,NOK,POK,pIOK,pNOK,pPOK)
IV = 11
NV = 11
PV = 0x1523d80 "1.1e1"\0
CUR = 5
LEN = 16
Something smells here. I think that patch needs to be reviewed and supplanted.
---
$world=~s/war/peace/g
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