class RSpec::Core::Configuration

def debug=(bool)
  return unless bool
  begin
    require 'ruby-debug'
    Debugger.start
  rescue LoadError => e
    raise <<-EOM
50}
ssage}
 have it installed as a ruby gem, then you need to either require
ems' or configure the RUBYOPT environment variable with the value
ems'.
cktrace.join("\n")}
50}
  end
end