python - Using docopt double dash option with optional parameter? -

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using docopt, there way make double-dashed parameter works , without equals sign?

i want both of following commands make --tls true:

cmd --tls cmd --tls=true

i seem able 1 or other work using

options:   --tls

or

options:   --tls=false

separating them comma not seem work

options:   --tls, --tls=false


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