# File lib/rbreadline.rb, line 3972 def rl_ding() if @MessageBeep @MessageBeep.Call(0) elsif @readline_echoing_p if @_rl_bell_preference == VISIBLE_BELL if (@_rl_visible_bell) @_rl_out_stream.write(@_rl_visible_bell.chr) else $stderr.write("\007") $stderr.flush end elsif @_rl_bell_preference == AUDIBLE_BELL $stderr.write("\007") $stderr.flush end return 0 end return -1 end