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Line 16:
verbose => $arg{verbose} ? '' : "\n",
...
-- post => $self->_gen_wrapper( $self->{post}, $pkg, $sym, );
++ pre => $self->_gen_wrapper( $self->{pre}, $pkg, $sym, 1 ),
++ post => $self->_gen_wrapper( $self->{post}, $pkg, $sym, 0
+);