Immediately after switching the page, it will work with CSR.
Please reload your browser to see how it works.
How does a mixin compare to role or interface in languages that do not have multiple inheritance?
"Mister, we need to protect of the lives of the crew and sustain the mission!"
"Ah, nyet Captain, I am safe down here so far, maybe we replace you instead."
However, such systems would need to be widely adopted and durably preserved to survive millennia and eventually be rediscovered.
Which is how we happen to know the precious little that we do know about past writing systems.