enable support for the old, deprecated IDNA specification (RFC 3490)

Packages describing “idna” as local USE flag

Package “idna” Flag Description
dev-python/cryptography enable support for the old, deprecated IDNA specification (RFC 3490)
dev-python/rfc3986 enable support for the IDNA specification (RFC 5891)

All packages providing a “idna” USE flag (2)