Hi Abraham, Well, as a very quick hack, you can change the uppercase hardwired A in this code to lowercase hardwired as below. I am not suggesting this is the best solution, but it works.
Andrew — snip define-markup-commands.scm (define number->mark-letter-vector (make-vector 25 #\a)) (do ((i 0 (1+ i)) (j 0 (1+ j))) ((>= i 26)) (if (= i (- (char->integer #\i) (char->integer #\a))) (set! i (1+ i))) (vector-set! number->mark-letter-vector j (integer->char (+ i (char->integer #\a))))) (define number->mark-alphabet-vector (list->vector (map (lambda (i) (integer->char (+ i (char->integer #\a)))) (iota 26)))) — snip
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