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my $original;
{
...
}
die "Ah darn it! Nothing in original!" unless $original;
my $entity = $parser->parse_data($original);

Parameters. If YESNO is true, decoding is done. However, you will get 
a warning unless you use one of the special "true" values: 
...
   "I_KNOW_WHAT_I_AM_DOING"
          Just shut up and do it.  Not recommended.
          Provided for those who REALLY know what they are doing.