pandoc-3.11: test/rtf/table_nested.rtf
{\rtf1\ansi
\trowd\cellx5000
\pard\intbl\itap2 Level two before\par
\pard\intbl\itap3 Deep A\nestcell Deep B\nestcell
{\*\nesttableprops\trowd\cellx2000\cellx4000\nestrow}
{\nonesttables NESTED FALLBACK ONE\par}
\pard\intbl\itap3 Deep C\nestcell Deep D\nestcell
{\*\nesttableprops\trowd\cellx2000\cellx4000\nestrow}
{\nonesttables NESTED FALLBACK TWO\par}
\pard\intbl\itap2 Level two after\nestcell
{\*\nesttableprops\trowd\cellx4000\nestrow}
{\nonesttables PARENT FALLBACK\par}
\pard\intbl\itap1 Outer after\cell
\row
\pard\itap0 Outside table\par
}