# How-to index

Task-focused guides:

- [Config file + CLI override merge](config-file-merge.md)
- [Pass-through after `--`](pass-through-double-dash.md)
- [Structured errors for automation](structured-errors.md)
- [Parse arrays](parse-arrays.md)
- [Handle unknown flags](handle-unknown-flags.md)
- [Stop parsing after `--`](stop-parsing.md)