From 344b8bbd697ba7ade949da3968b9f5e6226f832f Mon Sep 17 00:00:00 2001
From: tenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 8 Jan 2015 22:25:31 +0000
Subject: * ext/psych/lib/psych/visitors/yaml_tree.rb: correctly quote
 non-ascii   letters. Thanks @jirutka for the patch.

* test/psych/test_string.rb: test for change

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49190 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/psych/lib/psych/visitors/yaml_tree.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ext/psych')

diff --git a/ext/psych/lib/psych/visitors/yaml_tree.rb b/ext/psych/lib/psych/visitors/yaml_tree.rb
index bedf9d35b2..3a6bd1da54 100644
--- a/ext/psych/lib/psych/visitors/yaml_tree.rb
+++ b/ext/psych/lib/psych/visitors/yaml_tree.rb
@@ -317,7 +317,7 @@ module Psych
           tag   = 'tag:yaml.org,2002:str'
           plain = false
           quote = false
-        elsif o =~ /^\W[^"]*$/
+        elsif o =~ /^[^[:word:]][^"]*$/
           style = Nodes::Scalar::DOUBLE_QUOTED
         else
           unless String === @ss.tokenize(o)
-- 
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