This method is deprecated or moved on the latest stable version.
The last existing version (v1_8_7_330) is shown here.
displayer()
public
Return an instance of the displayer (the thing that actually
writes the information). This allows us to load in newdisplayer classes at runtime (for
example to help with IDE integration)
# File lib/rdoc/ri/ri_options.rb, line 314
def displayer
::RiDisplay.new(self)
end