Hi,

> 
> I'm finally able to announce the release of rudebug, a debugging 
> front-end for ruby-debug and other debugging libraries for Ruby. It is 
> based on Glade and Ruby-GNOME2.

I am running the sample file you have on the wiki, but rudebug fails 
with the following traceback. I have ruby-gnome2 0.16.

-Mitchell;

undefined method `signal_connect' for nil:NilClass
/usr//lib/ruby/site_ruby/1.8/libglade2.rb:105:in `guard_source_from_gc'
/usr//lib/ruby/site_ruby/1.8/libglade2.rb:98:in `guard_sources_from_gc'
/usr//lib/ruby/site_ruby/1.8/libglade2.rb:97:in `each'
/usr//lib/ruby/site_ruby/1.8/libglade2.rb:97:in `guard_sources_from_gc'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/lib/rudebug/page.rb:9:in 
`initialize'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/lib/rudebug/page.rb:9:in `new'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/lib/rudebug/page.rb:9:in 
`initialize'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/lib/rudebug/connect.rb:164:in 
`new'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/lib/rudebug/connect.rb:164:in 
`on_session'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/lib/rudebug/connection/ruby-debug.rb:99:in 
`call'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/lib/rudebug/connection/ruby-debug.rb:99:in 
`connect'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/lib/rudebug/connect.rb:117:in 
`connect_to'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/lib/rudebug/connect.rb:112:in 
`initialize'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/lib/rudebug/connect.rb:112:in 
`new'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/lib/rudebug/connect.rb:112:in 
`connect_to'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/lib/rudebug/connect.rb:106:in 
`on_connectdlg_button_clicked'
/usr//lib/ruby/site_ruby/1.8/libglade2.rb:45:in `call'
/usr//lib/ruby/site_ruby/1.8/libglade2.rb:45:in `connect'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/lib/rudebug/main.rb:62:in `call'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/lib/rudebug/main.rb:62:in `main'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/lib/rudebug/main.rb:62
/usr//lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in 
`gem_original_require'
/usr//lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/lib/rudebug.rb:13
/usr//lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in 
`gem_original_require'
/usr//lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
/usr//lib/ruby/gems/1.8/gems/rudebug-0.3.1/bin/rudebug:4
/usr/bin/rudebug:18:in `load'
/usr/bin/rudebug:18
/usr//lib/ruby/site_ruby/1.8/rubygems/custom_require.rb: line 27
    Gtk-CRITICAL **:gtk_notebook_get_tab_label_text: assertion 
`GTK_IS_WIDGET (child)' failed