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+```console
+$ 03_04_subcommands help
+clap [..]
+A simple to use, efficient, and full-featured Command Line Argument Parser
+
+USAGE:
+    03_04_subcommands[EXE] <SUBCOMMAND>
+
+OPTIONS:
+    -h, --help       Print help information
+    -V, --version    Print version information
+
+SUBCOMMANDS:
+    add     Adds files to myapp
+    help    Print this message or the help of the given subcommand(s)
+
+$ 03_04_subcommands help add
+03_04_subcommands[EXE]-add [..]
+Adds files to myapp
+
+USAGE:
+    03_04_subcommands[EXE] add [NAME]
+
+ARGS:
+    <NAME>    
+
+OPTIONS:
+    -h, --help       Print help information
+    -V, --version    Print version information
+
+$ 03_04_subcommands add bob
+'myapp add' was used, name is: Some("bob")
+
+```
+
+Because we set [`Command::arg_required_else_help`][crate::Command::arg_required_else_help]:
+```console
+$ 03_04_subcommands
+? failed
+clap [..]
+A simple to use, efficient, and full-featured Command Line Argument Parser
+
+USAGE:
+    03_04_subcommands[EXE] <SUBCOMMAND>
+
+OPTIONS:
+    -h, --help       Print help information
+    -V, --version    Print version information
+
+SUBCOMMANDS:
+    add     Adds files to myapp
+    help    Print this message or the help of the given subcommand(s)
+
+```
+
+Because we set [`Command::propagate_version`][crate::Command::propagate_version]:
+```console
+$ 03_04_subcommands --version
+clap [..]
+
+$ 03_04_subcommands add --version
+03_04_subcommands[EXE]-add [..]
+
+```