This is a custom glibc locale.

## Highlights

- English language
- Metric units
- ISO 8601 date and time formats
- Weeks start on Monday
- ISO A4 as paper format
- E.123 notation for telephone numbers
- Full stop (U+002E) as decimal separator
- Narrow no‐break space (U+202F) as thousands separator
- Euro sign (U+20AC) as currency symbol