Any way to add new footnotes to the end of the current line instead of
creating a new line? For example, change this:

[1] Cicero, The Republic, III.13.23.
[2] Ibid.
[3] Ibid., III.25.37.

to this:

[1] Cicero, The Republic, III.13.23.; [2] Ibid.; [3] Ibid., III.25.37.