Attach elements using Nokogiri::XML::Builder#parent
Attach elements using Nokogiri::XML::Builder#parent

The new code attaches the elements to be rendered to the result XML tree
without converting them to text first.

This solution has been suggested on StackOverflow:
<http://stackoverflow.com/questions/28305102/adding-a-xml-element-to-a-nokogirixmlbuilder-document>.

cceh/sanskrit-web,cceh/sanskrit-web,cceh/sanskrit-web