+Supress the date
+
+=item no_coupon
+
+Supress the payment coupon
+
+=item barcode_file
+
+Barcode file (path to temporary EPS file on the local filesystem)
+
+=item barcode_img
+
+Flag indicating the barcode image should be a link (normal HTML dipaly)
+
+=item barcode_cid
+
+Barcode CID for inline (emailed) images
+
+=item preref_callback
+
+Coderef run for each line item, code should return HTML to be displayed
+before that line item (quotations only)
+
+=item template
+
+Dprecated. Used as a suffix for a configuration template. Please
+don't use this, it deprecated in favor of more flexible alternatives.
+
+=back