Why doesn't "[[" work as a rule for inputAutoReplacements? I see a bunch of ugly work arounds here [1] but is there a reason why it's an invalid rule as an autoreplacement?
[1] https://mathematica.stackexchange.com/questions/194775/how-can-i-automatically-replace-and-with-the-leftdoublebracket-and-ri
[1] https://mathematica.stackexchange.com/questions/194775/how-can-i-automatically-replace-and-with-the-leftdoublebracket-and-ri