# File locana/l_spinner.rb, line 233
   def on_up_key(levent=nil, &block)
      return bind(:on_up_key, block) if (block)  # this necessary to support Blocks the same as Proc objects

      super
      return nil if (!levent || levent[:shift_key] || levent[:ctrl_key] || levent[:alt_key] || levent[:meta_key])
      on_increment(levent)
   end