File psl-1983/3-1/doc/nmode/nm-characters.function from the latest check-in
.silent_index {c-x-prefix} idx 3-2 .silent_index {m-x-prefix} idx 3-2 .silent_index {lisp-prefix} idx 3-2 .silent_index {esc-prefix} idx 3-2
.silent_index {c-x-prefix} idx 3-2 .silent_index {m-x-prefix} idx 3-2 .silent_index {lisp-prefix} idx 3-2 .silent_index {esc-prefix} idx 3-2