> If your Ruby/Tk scripts have no trouble on old event loop > and the trouble is more than you can bear, > please replace tcltklib.c and tk.rb with those of 1.6.7. Hello, Thanks for the reply; I used 1.6.7 tcltklib.c/tk.rb with 1.7.3 and it works fine. I get warnings now, but at least I can use ruby/tk again. Txs. % ruby tkhello.rb /usr/lib/ruby/1.7/tk.rb:954: warning: parenthesize argument(s) for future version /usr/lib/ruby/1.7/tk.rb:1434: warning: parenthesize argument(s) for future version /usr/lib/ruby/1.7/tk.rb:1576: warning: parenthesize argument(s) for future version /usr/lib/ruby/1.7/tk.rb:1858: warning: parenthesize argument(s) for future version /usr/lib/ruby/1.7/tk.rb:2351: warning: parenthesize argument(s) for future version /usr/lib/ruby/1.7/tk.rb:3176: warning: parenthesize argument(s) for future version /usr/lib/ruby/1.7/tk.rb:3311: warning: parenthesize argument(s) for future version