eval.c (top_using): remove Kernel#using, and add main.using instead.
test/ruby/test_refinement.rb: related test.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37619 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
eval.c (top_using): remove Kernel#using, and add main.using instead.
test/ruby/test_refinement.rb: related test.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37619 b2dd03c8-39d4-4d8f-98ff-823fe69b080e