diff options
Diffstat (limited to 'stdlib/arg.ml')
| -rw-r--r-- | stdlib/arg.ml | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/stdlib/arg.ml b/stdlib/arg.ml index d5d1bdf74d..8453058e4e 100644 --- a/stdlib/arg.ml +++ b/stdlib/arg.ml @@ -64,10 +64,11 @@ let make_symlist prefix sep suffix l = ;; let print_spec buf (key, spec, doc) = - match spec with - | Symbol (l, _) -> bprintf buf " %s %s%s\n" key (make_symlist "{" "|" "}" l) - doc - | _ -> bprintf buf " %s %s\n" key doc + if String.length doc > 0 then + match spec with + | Symbol (l, _) -> bprintf buf " %s %s%s\n" key (make_symlist "{" "|" "}" l) + doc + | _ -> bprintf buf " %s %s\n" key doc ;; let help_action () = raise (Stop (Unknown "-help"));; @@ -237,6 +238,10 @@ let max_arg_len cur (kwd, spec, doc) = let add_padding len ksd = match ksd with + | (_, _, "") -> + (* Do not pad undocumented options, so that they still don't show up when + * run through [usage] or [parse]. *) + ksd | (kwd, (Symbol (l, _) as spec), msg) -> let cutcol = second_word msg in let spaces = String.make (len - cutcol + 3) ' ' in |