lib/psych/visitors/yaml_tree.rb in psych-2.0.2 vs lib/psych/visitors/yaml_tree.rb in psych-2.0.3

@@ -282,10 +282,10 @@
           style = Nodes::Scalar::LITERAL
           plain = false
           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)
             style = Nodes::Scalar::SINGLE_QUOTED
           end