* lib/rexml/output.rb (REXML::Output): Don't output BOM in middle

  of the output string.
* test/rexml/test_document.rb: Add a test for the above change.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37450 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/rexml/output.rb b/lib/rexml/output.rb
index 50333ba177..208bb0ade1 100644
--- a/lib/rexml/output.rb
+++ b/lib/rexml/output.rb
@@ -11,6 +11,11 @@ module REXML
       self.encoding = encd
 
       @to_utf = encd != 'UTF-8'
+
+      if encoding == "UTF-16"
+        @output << "\ufeff".encode("UTF-16BE")
+        self.encoding = "UTF-16BE"
+      end
     end
 
     def <<( content )