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-rw-r--r--ext/tk/lib/tkextlib/iwidgets/calendar.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/tk/lib/tkextlib/iwidgets/calendar.rb b/ext/tk/lib/tkextlib/iwidgets/calendar.rb
index 8495f0e29b..e85d6e4e51 100644
--- a/ext/tk/lib/tkextlib/iwidgets/calendar.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/calendar.rb
@@ -20,7 +20,7 @@ class Tk::Iwidgets::Calendar
def __strval_optkeys
super() + [
- 'buttonforeground', 'outline', 'selectcolor',
+ 'buttonforeground', 'outline', 'selectcolor',
'weekdaybackground', 'weekendbackground'
]
end