From 0c58f39c2c7ff590e854772e41f6d10117a51c53 Mon Sep 17 00:00:00 2001
From: Damien Mathieu <42@dmathieu.com>
Date: Tue, 19 Jul 2011 12:22:31 +0200
Subject: fix String#blank? on binary strings.

---
 activesupport/lib/active_support/core_ext/object/blank.rb | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'activesupport/lib/active_support/core_ext')

diff --git a/activesupport/lib/active_support/core_ext/object/blank.rb b/activesupport/lib/active_support/core_ext/object/blank.rb
index d060ac04d8..5556546822 100644
--- a/activesupport/lib/active_support/core_ext/object/blank.rb
+++ b/activesupport/lib/active_support/core_ext/object/blank.rb
@@ -99,7 +99,12 @@ class String
   #   " something here ".blank? # => false
   #
   def blank?
-    self !~ NON_WHITESPACE_REGEXP
+    # 1.8 does not takes [:space:] properly
+    if encoding_aware?
+      self !~ /[^[:space:]]/
+    else
+      self !~ NON_WHITESPACE_REGEXP
+    end
   end
 end
 
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