# File lib/rgen/serializer/xmi11_serializer.rb, line 44
  def writeHeaderInfo(hash)
    hash.each_pair do |k,v|
      tag = "XMI." + k.to_s
      startTag(tag)
      if v.is_a?(Hash)
        writeHeaderInfo(v)
      else
        writeText(v.to_s)
      end
      endTag(tag)
    end
  end