Replace the comma with “&”

Error²Federal courts, Illinois courts21st and 22nd editions

An ampersand stands where the comma would between two footnotes on one page, as “1525 nn.80 & 82” rather than “1525 nn.80, 82”; an internal cross-reference keeps the comma.¹

1. 1R. 3.2(b) Footnotes. Tables: T16 Subdivisions.
2. 2An error: the rule in note 1 allows one form, and this is not it.