The Modify Header set the start value from the sale or purchase values but when it is a list or a tuple, it should also ensure it contains records before converting to a list of ids. Closes #13915 (grafted from 35fc6e3d271b4eeb7ef123f58085836fdab77228) --HG-- branch : 7.0
########### Sale Module ########### The *Sale Module* helps organise and manage sales made by the company. It adds the concept of a sale to Tryton and allows it to be tracked through its states from draft to done. It also oversees the creation of customer shipments and invoices for the sales, and allows reports to be generated that contain aggregated sales figures. .. toctree:: :maxdepth: 2 usage/index design releases