docs: protected void init(I_CmsXmlContentContainer container) {
  
          m_container = container;
  
          // append to parent element name (required for nested schemas)
          m_element = CmsXmlUtils.concatXpath(m_container.getXmlDocumentElement(), m_element);
  
          // get loaded content from parent <contentload> tag
          m_content = m_container.getXmlDocument();
          m_locale = m_container.getXmlDocumentLocale();
          m_index = 0;
          m_currentElement = null;
  
          // the next loop is the first loop
          m_firstLoop = true;
      }