+#http_header('Content-Type' => 'text/plain' );
+http_header('Content-Type' => 'text/csv' ); # So saith RFC 4180
+http_header('Content-Disposition' =>
+ 'attachment;filename="'.($opt{'name'} || PL($opt{'name_singular'}) ).'.csv"');
+
+my $quote_char = '"';
+$quote_char = $opt{csv_quote} if exists($opt{csv_quote});