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-rw-r--r--sample/exyacc.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/sample/exyacc.rb b/sample/exyacc.rb
index ad6191c03d..cd1170feb4 100644
--- a/sample/exyacc.rb
+++ b/sample/exyacc.rb
@@ -1,4 +1,4 @@
-#! /usr/local/bin/ruby -Cn
+#! /usr/local/bin/ruby -Kn
# usage: exyacc.rb [yaccfiles]
# this is coverted from exyacc.pl in the camel book