Merge "Fix write_child_nodes macro to enable yaml output of navtree." into mnc-mr-docs
am: 5e59208817

* commit '5e592088171b6c7c8851dd727dae7a8690ad180a':
  Fix write_child_nodes macro to enable yaml output of navtree.

Change-Id: Ic3536d988dd21162675b73292f01d14ebd32e27b