C<:all>. NOTE: This is to support legacy code that makes extensive
use of C<to_json> and C<from_json> which you are not yet in a position to
refactor. DO NOT use this import tag in new code, in order to avoid
-the crawling horrors of getting UTF8 support subtly wrong. See the
+the crawling horrors of getting UTF-8 support subtly wrong. See the
documentation for L<JSON> for further details.
=head2 encode_json