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+*Jump to [source](demo.rs)*
+
+**This requires enabling the `derive` feature flag.**
+
+Used to validate README.md's content
+```console
+$ demo --help
+clap [..]
+A simple to use, efficient, and full-featured Command Line Argument Parser
+
+USAGE:
+    demo[EXE] [OPTIONS] --name <NAME>
+
+OPTIONS:
+    -c, --count <COUNT>    Number of times to greet [default: 1]
+    -h, --help             Print help information
+    -n, --name <NAME>      Name of the person to greet
+    -V, --version          Print version information
+
+```