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-rw-r--r--ext/tk/lib/tkextlib/iwidgets/panedwindow.rb5
1 files changed, 5 insertions, 0 deletions
diff --git a/ext/tk/lib/tkextlib/iwidgets/panedwindow.rb b/ext/tk/lib/tkextlib/iwidgets/panedwindow.rb
index a205036239..035df0a5b8 100644
--- a/ext/tk/lib/tkextlib/iwidgets/panedwindow.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/panedwindow.rb
@@ -51,6 +51,11 @@ class Tk::Iwidgets::Panedwindow
####################################
+ def __boolval_optkeys
+ super() << 'showhandle'
+ end
+ private :__boolval_optkeys
+
def add(tag=nil, keys={})
if tag.kind_of?(Hash)
keys = tag