=over =item ${^UTF8LOCALE} X<${^UTF8LOCALE}> This variable indicates whether a UTF-8 locale was detected by perl at startup. This information is used by perl when it's in adjust-utf8ness-to-locale mode (as when run with the C<-CL> command-line switch); see L for more info on this. This variable was added in Perl v5.8.8. =back