Revision history for Perl extension if.
+0.0608 2018-02-01
+ - Clarify documentation and test more thoroughly.
+ [perl 132732] use if - behaviour does not match documentation
+
+0.0607 2017-06-01
+ - Add documentation re modules with empty import list
+ [perl 131142] "if" pragma POD addition for modules with an
+ empty import list
+
0.0606 2015-10-01
- add license information to pod