    # File lib/spec/runner/options.rb, line 135
          def colour=(colour)
            @colour = colour
            if @colour && RUBY_PLATFORM =~ /mswin|mingw/ ;\
              begin ;\
                replace_output = @output_stream.equal?($stdout) ;\
                require 'rubygems' ;\
                require 'Win32/Console/ANSI' ;\
                @output_stream = $stdout if replace_output ;\
              rescue LoadError ;\
                warn "You must 'gem install win32console' to use colour on Windows" ;\
                @colour = false ;\
              end
            end
          end