Agda2> (agda2-status-action "") (agda2-info-action "*Type-checking*" "" nil) (agda2-highlight-clear) (agda2-info-action "*Type-checking*" "Checking Issue388 (Issue388.agda).\n" t) (agda2-info-action "*Type-checking*" "Finished Issue388.\n" t) (agda2-status-action "") (agda2-info-action "*All Goals*" "?0 : Set\n" nil) ((last . 1) . (agda2-goals-action '(0))) Agda2> Agda2> Agda2> (agda2-info-action "*Error*" "Issue388.agda:11,11-16\nThe variables\n A₁\nwhich are used (perhaps as constructor parameters) in the index\nexpressions\n d A₁\nare free in the parameters\n D A₁\nwhen checking that the expression ? has type Set" nil) ((last . 3) . (agda2-goto '("Issue388.agda" . 191))) (agda2-status-action "") Agda2>