From 2650a0e766efabc520bfe168885ede0cc59dac37 Mon Sep 17 00:00:00 2001
From: Manoj <manoj.mk27@gmail.com>
Date: Thu, 4 Apr 2013 04:11:38 +0530
Subject: [PATCH] Avoid, method redefined warning for method indent

---
 lib/treetop/ruby_extensions/string.rb | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/lib/treetop/ruby_extensions/string.rb b/lib/treetop/ruby_extensions/string.rb
index da34212..9ea5dbf 100644
--- a/lib/treetop/ruby_extensions/string.rb
+++ b/lib/treetop/ruby_extensions/string.rb
@@ -28,11 +28,13 @@ def tabto(n)
     end
   end
 
-  def indent(n)
-    if n >= 0
-      gsub(/^/, ' ' * n)
-    else
-      gsub(/^ {0,#{-n}}/, "")
+  unless method_defined?(:indent)
+    def indent(n)
+      if n >= 0
+        gsub(/^/, ' ' * n)
+      else
+        gsub(/^ {0,#{-n}}/, "")
+      end
     end
   end