Issue #3768 has been updated by Eric Hodel. I committed documentation based on your pull request as r32700 in the closed Bug #5067. There is no need to merge. ---------------------------------------- Feature #3768: Constant Lookup doesn't work in a subclass of BasicObject http://redmine.ruby-lang.org/issues/3768 Author: Thomas Sawyer Status: Rejected Priority: Normal Assignee: Yukihiro Matsumoto Category: lib Target version: =begin ruby-1.9.2-p0 > module M ruby-1.9.2-p0 ?> end => nil ruby-1.9.2-p0 > class X < BasicObject ruby-1.9.2-p0 ?> include M ruby-1.9.2-p0 ?> end NameError: uninitialized constant X::M from (irb):4:in `<class:X>' from (irb):3 from /home/trans/.rvm/rubies/ruby-1.9.2-p0/bin/irb:17:in `<main>' =end -- http://redmine.ruby-lang.org