<cr>
  vars:
   #ansible_connection: ansible.netcommon.network_cli
   #No ansible_network_os available for Dell PowerConnect OS

Afterwards, I paste the above into my YML file at the end of the previous line.

I expected both commented lines to be commented out (turn green). But the first commented line, does not turn green. I have to backspace the line until it jumps up the the previous line. Then I can hit enter to move it down to a new line, and it turns green.