$self->_set_error;
$self->{xslt_hash} = {};
$self->{print_warns} = exists $self->{print_warns}
$self->{print_warns} = 1 unless exists $self->{print_warns};
? $self->{print_warns}
: $ENV{DEBUG} // 0;
$self->{do_not_return_source} = 0
unless exists $self->{do_not_return_source};
-