-- test that we accept all unicode subscripts
def fₐ : Nat := 0
def fₑ : Nat := 0
def fₕ : Nat := 0
def fᵢ : Nat := 0
def fⱼ : Nat := 0
def fₖ : Nat := 0
def fₗ : Nat := 0
def fₘ : Nat := 0
def fₙ : Nat := 0
def fₒ : Nat := 0
def fₚ : Nat := 0
def fᵣ : Nat := 0
def fₛ : Nat := 0
def fₜ : Nat := 0
def fᵤ : Nat := 0
def fᵥ : Nat := 0
def fₓ : Nat := 0