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-rw-r--r--ext/tk/sample/tkline.rb4
1 files changed, 2 insertions, 2 deletions
diff --git a/ext/tk/sample/tkline.rb b/ext/tk/sample/tkline.rb
index c23cb95cbdd..f823319f762 100644
--- a/ext/tk/sample/tkline.rb
+++ b/ext/tk/sample/tkline.rb
@@ -2,10 +2,10 @@
require "tkclass"
-$tkline_init = FALSE
+$tkline_init = false
def start_random
return if $tkline_init
- $tkline_init = TRUE
+ $tkline_init = true
if defined? Thread
Thread.start do
loop do