Minor nitpick, if your going to use B::Deparse to show how perl handles strings internaly consider using the -q
Expand double-quoted strings into the corresponding combinations of concatenation, uc, ucfirst, lc, lcfirst, quotemeta, and join. ...
Note that the expanded form represents the way perl handles such constructions internally -- this option actually turns off the reverse translation that B::Deparse usually does.
$perl -MO=Deparse,-q print.pl
print 'Hello ' . $_;
print.pl syntax OK
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