This is the main template: Title in external is $title
@{[ do {
        #Can even comment
        BEGIN {
                use Time::HiRes qw<time>;
                use JSON;
        }
        encode_json  [map time."\n", (1..10)];
}
]}
Unknown value, but no error: $a->[1]{wer};
Items: @$items;
@{['other perl code']}
Doing a recursive template load, and execute
@{[ load ("header.plex", \%fields, %options)->render() ]}
Doing an inline include subtitution
@{[include("header.plex")]}