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-rw-r--r--ext/tk/sample/demos-jp/radio3.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/ext/tk/sample/demos-jp/radio3.rb b/ext/tk/sample/demos-jp/radio3.rb
index 6e9a0f750b..a223a19bc2 100644
--- a/ext/tk/sample/demos-jp/radio3.rb
+++ b/ext/tk/sample/demos-jp/radio3.rb
@@ -1,3 +1,5 @@
+# -*- coding: euc-jp -*-
+#
# radio3.rb
#
# This demonstration script creates a toplevel window containing