When the clause is negative, it must return an AND-ed domain instead of OR-ed. (grafted from e8c1e7d592b5a21cec95e8d6614112b8021e34d5) --HG-- branch : 6.0
############### Purchase Module ############### The *Purchase Module* provides everything that is required to create and manage purchases made by the company. It adds the idea of a purchase to Tryton, and allows it to be tracked as it moves through various states from draft to done. It makes it easy to create supplier shipments for the purchase, and includes the ability to automatically create related supplier invoices. .. toctree:: :maxdepth: 2 usage/index design