to add more transcodings (with Yoshihiro Kambayashi) * enc/trans/iso-8859-1-tbl.rb: new file to avoid having to treat ISO-8859-1 as special git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20054 b2dd03c8-39d4-4d8f-98ff-823fe69b080e