We're aware that it's very annoying currently and also that it's inconsistent. There's a whole bunch of discussion about changing it in the Math forge on Discord where various options are being explored.

While one might consider the change here an improvement in itself, I don't think it's the final solution because f_n(x) and f_pi(x) will be handled inconsistently then. I only want to change this once more, for good, and the final decision isn't yet made. For this reason, I'll close the PR. Thank you still and I invite you to join the discussion!