def merge_texts!(hash, element)
        unless element.has_text?
          hash
        else
          # must use value to prevent double-escaping
          merge!(hash, CONTENT_KEY, element.texts.sum(&:value))
        end
      end
def merge_texts!(hash, element)
        unless element.has_text?
          hash
        else
          # must use value to prevent double-escaping
          merge!(hash, CONTENT_KEY, element.texts.sum(&:value))
        end
      end
Merge all the texts of an element into the hash

 hash::
   Hash to add the converted emement to.
 element::
   XML element whose texts are to me merged into the hash