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-rw-r--r--RUBY-STYLE2
1 files changed, 2 insertions, 0 deletions
diff --git a/RUBY-STYLE b/RUBY-STYLE
index 213909b..5773609 100644
--- a/RUBY-STYLE
+++ b/RUBY-STYLE
@@ -131,6 +131,8 @@ when you contribute to my code, please follow these rules:
 
 == The rest:
 
+* Write ruby -w safe code.
+
 * Avoid hashes-as-optional-parameters.  Does the method do too much?
 
 * Avoid long methods.