docs: def given_a_run_having_mixed_text_content(context):
      """
      Mixed here meaning it contains ``<w:tab/>``, ``<w:cr/>``, etc. elements.
      """
      r_xml = """\
          <w:r %s>
            <w:t>abc</w:t>
            <w:tab/>
            <w:t>def</w:t>
            <w:cr/>
            <w:t>ghi</w:t>
            <w:drawing/>
            <w:br/>
            <w:t>jkl</w:t>
          </w:r>""" % nsdecls('w')
      r = parse_xml(r_xml)
      context.run = Run(r, None)