Traceback (most recent call last):
  File "/Users/dmitriikovalev/Projects/ooxml-integrity/tmp/docx-benchmark-agent/boundaries-1/basic-table-101/edit.py", line 24, in <module>
    replace_marker("input.docx", "output.docx")
  File "/Users/dmitriikovalev/Projects/ooxml-integrity/tmp/docx-benchmark-agent/boundaries-1/basic-table-101/edit.py", line 19, in replace_marker
    run._element.tag = 'w:t'
    ^^^^^^^^^^^^^^^^
  File "src/lxml/etree.pyx", line 1142, in lxml.etree._Element.tag.__set__
  File "src/lxml/apihelpers.pxi", line 1748, in lxml.etree._tagValidOrRaise
ValueError: Invalid tag name 'w:t'
