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Hi all, This is a proposal for supporting keyword arguments to Sizer#add following the thread below : http://rubyforge.org/pipermail/wxruby-development/2008-March/001244.html After a deeper look at lib/wx/keyword_ctors.rb and lib/wx/keyword_defs.rb, I understood the whole thing :-). I just reused and modified slightly the method args_as_list. The new Sizer#add_item combines the features of add