From a479e141bfab70a21cdb3936d4a930c7b3885a9c Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Wed, 8 Jan 2014 16:57:15 -0800
Subject: * ext/psych/lib/psych/visitors/yaml_tree.rb: dumping strings with  
 quotes should not have changed.  [ruby-core:59316] [Bug #9300]

* ext/psych/lib/psych.rb: fixed missing require.

* test/psych/test_string.rb: test
---
 lib/psych/visitors/yaml_tree.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/psych/visitors/yaml_tree.rb b/lib/psych/visitors/yaml_tree.rb
index 1cb2137..f89fcbb 100644
--- a/lib/psych/visitors/yaml_tree.rb
+++ b/lib/psych/visitors/yaml_tree.rb
@@ -284,7 +284,7 @@ module Psych
           quote = false
         elsif o =~ /\n/
           style = Nodes::Scalar::LITERAL
-        elsif o =~ /^\W/
+        elsif o =~ /^\W[^"]*$/
           style = Nodes::Scalar::DOUBLE_QUOTED
         else
           unless String === @ss.tokenize(o)
-- 
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