From 50adffb80e0e7da5833bb9206d14350e22973d7e Mon Sep 17 00:00:00 2001
From: Randy Morgan <digital.ipseity@gmail.com>
Date: Mon, 1 Oct 2012 08:41:40 +0900
Subject: simplified app to_xml_string serialization

---
 lib/axlsx/doc_props/app.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/axlsx/doc_props/app.rb b/lib/axlsx/doc_props/app.rb
index d9e9efb0..e5d8f8d1 100644
--- a/lib/axlsx/doc_props/app.rb
+++ b/lib/axlsx/doc_props/app.rb
@@ -223,7 +223,10 @@ module Axlsx
     def to_xml_string(str = '')
       str << '<?xml version="1.0" encoding="UTF-8"?>'
       str << '<Properties xmlns="' << APP_NS << '" xmlns:vt="' << APP_NS_VT << '">'
-      str << instance_values.map { |key, value| '<' << Axlsx.camel(key) << '>' << value.to_s << '</' << Axlsx.camel(key) << '>' }.join
+      instance_values.each do |key, value|
+        node_name = Axlsx.camel(key)
+        str << "<#{node_name}>#{value}</#{node_name}>"
+      end
       str << '</Properties>'
     end
 
-- 
cgit v1.2.3