From c945f51552d10e3b7e8e8525fa43c706e43ec4e1 Mon Sep 17 00:00:00 2001
From: makoto kuwata <kwa@kuwata-lab.com>
Date: Wed, 23 Feb 2011 13:40:59 +0900
Subject: [bugfix] 'InterporationEnhancer#_add_text_to_str()' raised
 null-pointer-exception in a certain case

---
 lib/erubis/enhancer.rb | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/erubis/enhancer.rb b/lib/erubis/enhancer.rb
index 361a582..2fa2862 100644
--- a/lib/erubis/enhancer.rb
+++ b/lib/erubis/enhancer.rb
@@ -706,8 +706,7 @@ module Erubis
 
     def _add_text_to_str(str, text)
       return if !text || text.empty?
-      text.gsub!(/[`\#\\]/, '\\\\\&')
-      str << text
+      str << text.gsub(/[`\#\\]/, '\\\\\&')
     end
 
     def add_expr_escaped(str, code)
-- 
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