>mspec ci -t r 1.8/language/method_spec.rb -f s
ruby 1.8.6 (2007-09-24 patchlevel 111) [i486-linux]
./1.8/language/method_spec.rb:162: warning: (...) interpreted as grouped expression
./1.8/language/method_spec.rb:171: warning: parenthesize argument(s) for future version
./1.8/language/method_spec.rb:175: warning: parenthesize argument(s) for future version
./1.8/language/method_spec.rb:177: warning: (...) interpreted as grouped expression