[cleanup] Move the duplicated ASCII case conversion tables to
isc_ascii where they can be shared, and replace the
various hot-path tolower() loops with calls to new
isc_ascii implementations.
+5965. [cleanup] Move the duplicated ASCII case conversion tables to
+ isc_ascii where they can be shared, and replace the
+ various hot-path tolower() loops with calls to new
+ isc_ascii implementations. [GL !6516]
+
5964. [func] When an international domain name is not valid, DiG will
now pass it through unchanged, instead of stopping with
an error message. [GL #3527]