Support for the Ruby 2.2 series has ended. See here for reference.
# File tk/lib/tkextlib/iwidgets/canvasprintdialog.rb, line 21 def get_output tk_call(@path, 'getoutput') end
# File tk/lib/tkextlib/iwidgets/canvasprintdialog.rb, line 25 def print bool(tk_call(@path, 'print')) end