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Document how to use ArgGroups from derive API

6

### Please complete the following tasks - [X] I have searched the [discussions](https://github.com/clap-rs/clap/discussions) - [X] I have searched the [open](https://github.com/clap-rs/clap/issues) and [rejected](https://github.com/clap-rs/clap/issues?q=is%3Aissue+label%3AS-wont-fix+is%3Aclosed) issues ### Clap Version 4.4.7 ### Describe your...

kpreid

Clap outputs wrong error message context when using an environment variable with invalid content

3

### Please complete the following tasks - [X] I have searched the [discussions](https://github.com/clap-rs/clap/discussions) - [X] I have searched the [open](https://github.com/clap-rs/clap/issues) and [rejected](https://github.com/clap-rs/clap/issues?q=is%3Aissue+label%3AS-wont-fix+is%3Aclosed) issues ### Rust Version rustc 1.72.1 (d5c2e9c34 2023-09-13)...

inf17101

bash generated completions invalid when command name contains spaces

4

### Please complete the following tasks - [X] I have searched the [discussions](https://github.com/clap-rs/clap/discussions) - [X] I have searched the [open](https://github.com/clap-rs/clap/issues) and [rejected](https://github.com/clap-rs/clap/issues?q=is%3Aissue+label%3AS-wont-fix+is%3Aclosed) issues ### Rust Version rustc 1.67.0 (fc594f156 2023-01-24)...

mjpieters

Add `-r, --recursive` flags to help command

9

### Please complete the following tasks - [X] I have searched the [discussions](https://github.com/clap-rs/clap/discussions) - [X] I have searched the [open](https://github.com/clap-rs/clap/issues) and [rejected](https://github.com/clap-rs/clap/issues?q=is%3Aissue+label%3AS-wont-fix+is%3Aclosed) issues ### Clap Version master ### Describe your...

SUPERCILEX

Show the type of arguments in help message?

7

### Discussed in https://github.com/clap-rs/clap/discussions/5153 Originally posted by **tigerros** October 1, 2023 Let's say you have this: ```rust #[derive(Parser, Debug)] #[command(author, version, about, long_about = None)] pub struct MyParser { #[arg(long)]...

epage

Add method to parse environment variables from custom source

6

### Please complete the following tasks - [X] I have searched the [discussions](https://github.com/clap-rs/clap/discussions) - [X] I have searched the [open](https://github.com/clap-rs/clap/issues) and [rejected](https://github.com/clap-rs/clap/issues?q=is%3Aissue+label%3AS-wont-fix+is%3Aclosed) issues ### Clap Version 4.0.32 ### Describe your...

robertkiel

Support for using `{n}` in the help message

3

### Please complete the following tasks - [X] I have searched the [discussions](https://github.com/clap-rs/clap/discussions) - [X] I have searched the [open](https://github.com/clap-rs/clap/issues) and [rejected](https://github.com/clap-rs/clap/issues?q=is%3Aissue+label%3AS-wont-fix+is%3Aclosed) issues ### Clap Version 4.4.6 ### Describe your...

andreykaere

Subcommand aliases not included in completion scripts

6

### Please complete the following tasks - [X] I have searched the [discussions](https://github.com/clap-rs/clap/discussions) - [X] I have searched the [open](https://github.com/clap-rs/clap/issues) and [rejected](https://github.com/clap-rs/clap/issues?q=is%3Aissue+label%3AS-wont-fix+is%3Aclosed) issues ### Rust Version 1.63.0 ### Clap Version...

martinvonz

Specify default text for optional arguments in help

3

### Describe your use case Often, the default values of arguments are determined based on runtime computation, e.g. a `--threads` parameter defaulting to the number of available threads on the...

emilazy

Automatically detect allow_missing_positional

4

### Please complete the following tasks - [X] I have searched the [discussions](https://github.com/clap-rs/clap/discussions) - [X] I have searched the [open](https://github.com/clap-rs/clap/issues) and [rejected](https://github.com/clap-rs/clap/issues?q=is%3Aissue+label%3AS-wont-fix+is%3Aclosed) issues ### Clap Version 4.2.2 ### Describe your...

joshtriplett