Half of point #2 is not valid as you can do the same with Smart::Comments. 
perl ...                                  off
perl -MSmart::Comments ...                on (###)
perl -MSmart::Comments,'###' ...          on (###)
perl -MSmart::Comments,'###','####' ...   on (###, ####)

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In reply to Re^2: In Defense of Smart::Comments by ikegami
in thread In Defense of Smart::Comments by Xiong

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