git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7029 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6237 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4801 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
using the \uXXXX escape to the UNICODE string. sample/{demos-en,demos-jp}/unicodeout.rb are samples of Tk::UTF8_String. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4784 b2dd03c8-39d4-4d8f-98ff-823fe69b080e