New API Encoding#ascii_compatible?.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24480 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
New API Encoding#ascii_compatible?.
(Init_Encoding): New API Encoding#ascii_compatible?.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24480 b2dd03c8-39d4-4d8f-98ff-823fe69b080e