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I will ignore this because it is an external link. 

 > I do not know what is indicated by the link '#opmanual_duckietown/dt-ops-appearance-specifications'.

laptop $ dts duckiebot demo --demo_name megacity --duckiebot_name DUCKIEBOT_NAME --package_name duckietown_demos

laptop $ dts duckiebot keyboard_control hostname

I do not know what is indicated by the link '#trouble-unicorn_intersection'.