+my $source = $Request;
+my $incname = qr{ [a-z][/a-z0-9_.-]* \.(?:plp?|css|js|txt) }x;
+
+if ($source =~ s{(?<=\Q.inc.pl\E)/jsonp?$}{} and -r $source) {
+ # convert perl include to json construct
+ checkmodified($source);
+ eval {
+ my $data = do $source or die $@ || $! || 'read error';
+ require JSON;
+ my $converter = JSON->new;
+ $converter->utf8->indent->space_after->canonical;
+
+ $header{content_type} = 'application/json';
+ $header{content_type} = 'text/plain' if exists $get{debug};
+ print $_, '(' for $get{callback} // ();
+ print $converter->encode($data);
+ print ')' for $get{callback} // ();
+ return 1;
+ } or do {
+ $header{status} = '500 File unavailable';
+ $header{content_type} = 'text/plain';
+ print "Conversion failed: $@";
+ };
+ exit;
+}