# File lib/mail/version_specific/ruby_1_8.rb, line 64 def Ruby18.b_value_decode(str) match = str.match(/\=\?(.+)?\?[Bb]\?(.+)?\?\=/m) if match encoding = match[1] str = Ruby18.decode_base64(match[2]) str = Iconv.conv('UTF-8//IGNORE', fix_encoding(encoding), str) end str end