$ perldoc perl You have an old groff. Update to version 1.20.1 for good Unicode support. If you don't upgrade, wide characters may come out oddly. at /Users/boscono/perl5/perlbrew/perls/perl-5.16.0/lib/5.16.0/Pod/Perldoc.pm line 1346. You have an old groff. Update to version 1.20.1 for good Unicode support. If you don't upgrade, wide characters may come out oddly. at /Users/boscono/perl5/perlbrew/perls/perl-5.16.0/lib/5.16.0/Pod/Perldoc.pm line 1346.
どうもPod::Manあたりでおかしな変換をしているのではないかと推測。perldoc -tで読むと見栄えはあまり良くないが読める。
バグは上がっている。