Rakefile in rabbit-1.0.3 vs Rakefile in rabbit-1.0.4

@@ -91,10 +91,11 @@
     screenshot_rab = "doc/screenshot.#{lang}.rab"
 
     screenshot_themes = ["blue-circle", "clear-blue", "cozmixng",
                          "dark-gradation", "day-white",
                          "debian", "green-circle", "night-black",
-                         "rabbit", "ranguba", "red-frame", "ruby-gnome2"]
+                         "rabbit", "ranguba", "red-frame", "ruby-gnome2",
+                         "rubykaigi2011"]
     screenshot_themes.each do |theme|
       screenshot_base_name = "#{screenshots_dir}/#{theme}"
       screenshot_raw = "#{screenshot_base_name}-raw.png"
       screenshot = "#{screenshot_base_name}.png"
       screenshots << screenshot