Double line in Invoices

[Anonymous]

>I have started to invoice within the European Union. According to my
>accountant is better to describe the service I am invoicing in two
>languages, English for the customer and Spanish for local authorities.
>Is there any way to split the invoices line in two (like in books)?

Your best option is probably to use the gc2latex package:

  http://stefans.datenbruch.de/gnucash/gc2latex.shtml