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-rw-r--r--ext/tk/lib/tk/root.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/ext/tk/lib/tk/root.rb b/ext/tk/lib/tk/root.rb
index 0e5584c7c1..a66c9fe454 100644
--- a/ext/tk/lib/tk/root.rb
+++ b/ext/tk/lib/tk/root.rb
@@ -5,7 +5,7 @@ require 'tk'
require 'tk/wm'
require 'tk/menuspec'
-class TkRoot<TkWindow
+class Tk::Root<TkWindow
include Wm
include TkMenuSpec
@@ -106,3 +106,5 @@ class TkRoot<TkWindow
TkCore::INTERP._invoke('destroy', '.')
end
end
+
+TkRoot = Tk::Root unless Object.const_defined? :TkRoot