Actual design of POD can be put off till Apocalypse 26, but we can speculate at this point that the rules for switching back and forth between POD and Perl are suboptimal for use in comments.

• 对POD的真正设计将知道启示录26时才会出现，但我们可以在此推测出，在POD和Perl中换来换去对于注释并不是很理想。