2.30が出てたみたいですが(http://blog.livedoor.jp/dankogai/archives/51178453.html)、どうもインストールエラーになります。Perl 5.8.8 on Mac OS X
t/mime-header..............1/13 # Failed test 'use Encode::MIME::Header;' # at t/mime-header.t line 27. # Tried to use 'Encode::MIME::Header'. # Error: Nested quantifiers in regex; marked by <-- HERE in m/ # =\? # begin encoded word # (?:[-0-9A-Za-z_]+) # charset (encoding) # (?:\*[A-Za-z]{1,8}+ <-- HERE (?:-[A-Za-z]{1,8})*)? # language (RFC 2231) # \?(?:[QqBb])\? # delimiter # (?:.*?) # Base64-encodede contents # \?= # end encoded word # / at /Users/daisuke/.cpan/build/Encode-2.30-TT_cZT/blib/lib/Encode/MIME/Header.pm line 107. # Compilation failed in require at (eval 5) line 2. # BEGIN failed--compilation aborted at (eval 5) line 2. Unknown encoding 'MIME-Header' at t/mime-header.t line 44