From 94e4bb3366537def28ed257fcf2b70a634711c9f Mon Sep 17 00:00:00 2001
From: Kornelius Kalnbach <murphy@rubychan.de>
Date: Fri, 12 Jul 2013 14:57:46 +0200
Subject: don't change value of objects you don't own

---
 lib/coderay/scanners/css.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/coderay/scanners/css.rb')

diff --git a/lib/coderay/scanners/css.rb b/lib/coderay/scanners/css.rb
index 9ed4618..5977b9c 100644
--- a/lib/coderay/scanners/css.rb
+++ b/lib/coderay/scanners/css.rb
@@ -53,7 +53,7 @@ module Scanners
     end
     
     def scan_tokens encoder, options
-      states = Array(options[:state] || @state)
+      states = Array(options[:state] || @state).dup
       value_expected = @value_expected
       
       until eos?
-- 
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