Extra blank lines when the argument name is long enough in --help

[madchicken]

Please complete the following tasks

• I have searched the discussions
• I have searched the open and rejected issues

Rust Version

rustc 1.64.0 (a55dd71d5 2022-09-19)

Clap Version

clap = { version = "3.2.23", features = ["derive"] }

Minimal reproducible code

use clap::{Parser};

#[derive(Parser, Debug)]
#[clap(author, version, about, long_about = None)]
pub struct Config {
    /// Your username
    #[clap(short, long, value_parser)]
    username: String,
    /// Your password
    #[clap(short, long, value_parser)]
    password: String,
    /// Server URI
    #[clap(long, value_parser, default_value = "http://localhost:8581")]
    uri: String,
    /// Authorization keys file. Default to authorization-keys.yml in the current working directory.
    #[clap(long, value_parser, default_value = "authorization-keys.yml")]
    keyfile_path: String,
    /// Metrics webserver port (service /metrics for Prometheus scraper)
    #[clap(long, value_parser, default_value = "9123")]
    port: u16,
}


fn main() {
    let _config = Config::parse();
}

Steps to reproduce the bug with the above code

Run the command:

cargo run -- --help

Actual Behaviour

mycli 0.1.0

USAGE:
    mycli [OPTIONS] --username <USERNAME> --password <PASSWORD>

OPTIONS:
    -h, --help
            Print help information

        --keyfile-path <KEYFILE_PATH>
            Authorization keys file. Default to authorization-keys.yml in the current working
            directory [default: authorization-keys.yml]

    -p, --password <PASSWORD>
            Your password

        --port <PORT>
            Metrics webserver port (service /metrics for Prometheus scraper) [default: 9123]

    -u, --username <USERNAME>
            Your username

        --uri <URI>
            Server URI [default: http://localhost:8581]

    -V, --version
            Print version information

Expected Behaviour

mycli 0.1.0

USAGE:
    mycli [OPTIONS] --username <USERNAME> --password <PASSWORD>

OPTIONS:
    -h, --help                         Print help information
        --keyfile-path <KEYFILEPATH>    Authorization keys file. Default to authorization-keys.yml in
                                       the current working directory [default:
                                       authorization-keys.yml]
    -p, --password <PASSWORD>          Your password
        --port <PORT>                  Metrics webserver port (service /metrics for Prometheus
                                       scraper) [default: 9123]
    -u, --username <USERNAME>          Your username
        --uri <URI>                    Server URI [default: http://localhost:8581]
    -V, --version                      Print version information

Additional Context

The output shows extra new lines.
By changing the name of the parameter keyfile_path to keyfilepath the issue goes away.

Debug Output

No response

[epage]

While #3300 is for -h, a lot of the conversation is the same. We can leave this open if you want, to track any --help specific aspects.

See also #4550

[madchicken]

It's fine for me to mark this as a duplicate. And sorry for this, I searched through the open issues but I could not find my problem (my bad)