From ad129639c7e72c3ba686db6202a4bff2cb2cfbfe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Valim?= <jose.valim@gmail.com>
Date: Sun, 8 May 2011 12:25:02 +0200
Subject: Fix failing xml mini test.

---
 activesupport/lib/active_support/xml_mini.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'activesupport')

diff --git a/activesupport/lib/active_support/xml_mini.rb b/activesupport/lib/active_support/xml_mini.rb
index dff8a8f4c4..d8f40ab8b1 100644
--- a/activesupport/lib/active_support/xml_mini.rb
+++ b/activesupport/lib/active_support/xml_mini.rb
@@ -139,7 +139,10 @@ module ActiveSupport
     protected
 
     def _dasherize(key)
-      key.gsub(/(?!^[_]*)_(?![_]*$)/, '-')
+      left  = key.strip.rpartition(/^_*/)
+      right = left.pop.partition(/_*$/)
+      right.first.tr!('_ ', '--')
+      left.concat(right).join
     end
 
 	  # TODO: Add support for other encodings
-- 
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