scmdoc

 1;;> This is a library which contains an unexported, but documented, identifier.
 2(define-library (scmdoc test simple)
 3  (export exported-and-documented)
 4
 5  (begin
 6    ;;> This identifier is properly documented and exported.
 7    (define exported-and-documented 1)
 8
 9    ;;> This identifier is documented but not exported.
10    (define documented-but-not-exported 0)))