Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

0050-print_to_output
print_to_output = function(...)
	local args = pack(...)
	local line = table.concat(map_nil(args, tostring), ' ')
	table.insert(Output_editor_state.lines,
		{data=line})
end