
Three hyphens are rendered verbatim in documentation, so "--" has to be used to produce a dash. Fix asciidoc output for dashes. This is similar to previous commitsf0b922473e
(Documentation: render special characters correctly, 2021-07-29) andde82095a95
(doc hash-function-transition: fix asciidoc output, 2021-02-05). Signed-off-by: Andrei Rybak <rybak.a.v@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>