Control: severity -1 important This warning becomes fatal with perl 5.26, as seen in the build log at http://perl.debian.net/rebuild-logs/perl-5.26-throwaway/libhtml-defang-perl_1.04-3/libhtml-defang-perl_1.04-3_amd64-2017-05-21T18%3A24%3A34Z.build Raising severity (and preparing a patch). -- dam