Arg::next_line_help has the same effect as Command::next_line_help

[playbahn]

Arg::next_line_help(true) causes all arguments' helps to be displayed on the next line. In other words, as Command::next_line_help is supposed to do. What am i doing wrong?

For reference this is the code:

    let matches = command!()
        .arg_required_else_help(true)
        .version("1.0")
        .about("Does awesome things")
        .arg(arg!(--two <VALUE>).required(true).next_line_help(true))
        .arg(arg!(--one <VALUE>).required(true))
        .get_matches();

$ cargo run -- -h
.............
     Running `target/debug/clap-builder -h`
Does awesome things

Usage: clap-builder --two <VALUE> --one <VALUE>

Options:
      --two <VALUE>

      --one <VALUE>

  -h, --help
          Print help
  -V, --version
          Print version

[epage]

I had thought this came up elsewhere but not finding it atm. The closest I can find is recently adding some next_line_help tests which didn't even cover this case (#6095).

Looks like this worked correctly in clap v2

#!/usr/bin/env nargo
---
[dependencies]
clap = "2"
---

fn main() {
    let matches = clap::App::new("foo")
        .arg(
            clap::Arg::with_name("two")
                .long("two")
                .help("two")
                .required(true)
                .next_line_help(true),
        )
        .arg(
            clap::Arg::with_name("one")
                .long("one")
                .help("one")
                .required(true),
        )
        .get_matches();
}

$ ./clap-6139.rs -h
USAGE:
    clap-6139 [FLAGS] --one --two

FLAGS:
    -h, --help       Prints help information
        --one        one
        --two
            two

    -V, --version    Prints version information

With it broken since 3.0.0

[epage]

Looks like this has been broken since #2174.

Feel free to open an issue on this.